[1174] | 1 | /* $Id: libmondo-raid.c 1252 2007-03-20 10:48:46Z bruno $
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| 2 | subroutines for handling RAID
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[1] | 3 | */
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| 4 |
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| 5 |
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| 6 | /**
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| 7 | * @file
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| 8 | * Functions for handling RAID (especially during restore).
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| 9 | */
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| 10 |
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| 11 | #include "my-stuff.h"
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[1174] | 12 | #include "mr_str.h"
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| 13 | #include "mr_mem.h"
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| 14 | #include "mr_msg.h"
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| 15 |
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[1] | 16 | #include "mondostructures.h"
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[1174] | 17 | #include "newt-specific-EXT.h"
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[1] | 18 | #include "libmondo-files-EXT.h"
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| 19 | #include "libmondo-tools-EXT.h"
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| 20 | #include "libmondo-string-EXT.h"
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| 21 | #include "libmondo-raid.h"
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| 22 |
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| 23 | #ifdef __FreeBSD__
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| 24 | /* Nonstandard library functions: */
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[128] | 25 | extern void errx(int exitval, const char *fmt, ...);
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| 26 | extern char *strsep(char **stringp, const char *delim);
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[1] | 27 | #endif
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| 28 |
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| 29 | /*@unused@*/
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[128] | 30 | //static char cvsid[] = "$Id: libmondo-raid.c 1252 2007-03-20 10:48:46Z bruno $";
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[1] | 31 |
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| 32 |
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| 33 | /**
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| 34 | * @addtogroup raidGroup
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| 35 | * @{
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| 36 | */
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| 37 | /**
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| 38 | * See if a particular RAID level is supported by the kernel.
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| 39 | * @param raidno The RAID level (-1 through 5) to check. -1 means "linear" under Linux and
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| 40 | * "concatenated" under FreeBSD. It's really the same thing, just different wording.
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| 41 | * @return TRUE if it's supported, FALSE if not.
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| 42 | */
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[128] | 43 | bool is_this_raid_personality_registered(int raidno)
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[1] | 44 | {
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| 45 | #ifdef __FreeBSD__
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[128] | 46 | return ((raidno == -1) || (raidno == 0) || (raidno == 1)
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| 47 | || (raidno == 5)) ? TRUE : FALSE;
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[1] | 48 | #else
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[128] | 49 | /*@ buffer ********************************************************** */
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[1174] | 50 | char *command = NULL;
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| 51 | int res = 0;
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[128] | 52 |
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| 53 | if (raidno == -1) {
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[1174] | 54 | mr_asprintf(&command,
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[1252] | 55 | "grep \"linear\" %s > /dev/null 2> /dev/null", MDSTAT_FILE);
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[128] | 56 | } else {
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[1174] | 57 | mr_asprintf(&command,
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[1252] | 58 | "grep \"raid%d\" %s > /dev/null 2> /dev/null",
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| 59 | raidno, MDSTAT_FILE);
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[128] | 60 | }
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| 61 | log_it("Is raid %d registered? Command = '%s'", raidno, command);
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| 62 | res = system(command);
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[1080] | 63 | mr_free(command);
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[128] | 64 | if (res) {
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| 65 | return (FALSE);
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| 66 | } else {
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| 67 | return (TRUE);
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| 68 | }
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[1] | 69 | #endif
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| 70 | }
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| 71 |
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| 72 |
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| 73 | /**
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| 74 | * Search for @p device in @p disklist.
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| 75 | * @param disklist The disklist to search in.
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| 76 | * @param device The device to search for.
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| 77 | * @return The index number of @p device, or -1 if it does not exist.
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| 78 | */
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| 79 | int
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[128] | 80 | where_in_drivelist_is_drive(struct list_of_disks *disklist, char *device)
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[1] | 81 | {
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| 82 |
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[128] | 83 | /*@ int ************************************************************* */
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| 84 | int i = 0;
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[1] | 85 |
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[128] | 86 | assert(disklist != NULL);
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| 87 | assert_string_is_neither_NULL_nor_zerolength(device);
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[1] | 88 |
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[128] | 89 | for (i = 0; i < disklist->entries; i++) {
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| 90 | if (!strcmp(disklist->el[i].device, device)) {
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| 91 | break;
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| 92 | }
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[1] | 93 | }
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[128] | 94 | if (i == disklist->entries) {
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| 95 | return (-1);
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| 96 | } else {
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| 97 | return (i);
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| 98 | }
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[1] | 99 | }
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| 100 |
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| 101 | /**
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| 102 | * Determine which RAID device is using a particular partition.
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| 103 | * @param raidlist The RAID information structure.
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| 104 | * @param device The partition to find out about.
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| 105 | * @return The index number of the RAID device using @p device, or -1 if there is none.
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| 106 | */
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| 107 | int
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[128] | 108 | which_raid_device_is_using_this_partition(struct raidlist_itself *raidlist,
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| 109 | char *device)
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[1] | 110 | {
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| 111 | #ifdef __FreeBSD__
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| 112 | // FreeBSD-specific version of which_raid_device_is_using_this_partition()
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[128] | 113 | /*@ int ********************************************************* */
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| 114 | int i = 0;
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[1] | 115 |
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[128] | 116 | for (i = 0; i < raidlist->entries; i++) {
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| 117 | bool thisone = FALSE;
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| 118 | int j, k, l;
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| 119 |
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| 120 | for (j = 0; j < raidlist->el[i].plexes; ++j) {
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| 121 | for (k = 0; k < raidlist->el[i].plex[j].subdisks; ++k) {
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| 122 | for (l = 0; l < raidlist->disks.entries; ++l) {
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| 123 | if (!strcmp(raidlist->disks.el[l].device,
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| 124 | device) &&
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| 125 | !strcmp(raidlist->el[i].plex[j].sd[k].which_device,
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| 126 | raidlist->disks.el[l].name))
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| 127 | thisone = TRUE;
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| 128 | }
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| 129 | }
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[1] | 130 | }
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[128] | 131 |
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| 132 | if (thisone) {
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| 133 | break;
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| 134 | }
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[1] | 135 | }
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[128] | 136 | if (i == raidlist->entries) {
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| 137 | return (-1);
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| 138 | } else {
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| 139 | return (i);
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[1] | 140 | }
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| 141 | }
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| 142 |
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| 143 | #else
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| 144 | // Linux-specific version of which_raid_device_is_using_this_partition()
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| 145 | // and one other function which FreeBSD doesn't use
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| 146 |
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[128] | 147 | int current_raiddev = 0;
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[1] | 148 |
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[128] | 149 | assert_string_is_neither_NULL_nor_zerolength(device);
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| 150 | assert(raidlist != NULL);
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[1] | 151 |
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[128] | 152 | for (current_raiddev = 0; current_raiddev < raidlist->entries;
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| 153 | current_raiddev++) {
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| 154 | if (where_in_drivelist_is_drive
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| 155 | (&raidlist->el[current_raiddev].data_disks, device) >= 0
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| 156 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 157 | spare_disks, device) >= 0
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| 158 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 159 | parity_disks, device) >= 0
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| 160 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 161 | failed_disks, device) >= 0) {
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| 162 | break;
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| 163 | }
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[1] | 164 | }
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[128] | 165 | if (current_raiddev == raidlist->entries) {
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| 166 | return (-1);
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| 167 | } else {
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| 168 | return (current_raiddev);
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| 169 | }
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[1] | 170 | }
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| 171 |
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| 172 | /**
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| 173 | * Write an @c int variable to a list of RAID variables.
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| 174 | * @param raidrec The RAID device record to write to.
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| 175 | * @param lino The variable index number to modify/create.
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| 176 | * @param label The label to write.
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| 177 | * @param value The value to write.
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| 178 | */
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| 179 | void
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[128] | 180 | write_variableINT_to_raid_var_line(struct raid_device_record *raidrec,
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| 181 | int lino, char *label, int value)
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[1] | 182 | {
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[128] | 183 | /*@ buffers ***************************************************** */
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[1174] | 184 | char *sz_value = NULL;
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[1] | 185 |
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[128] | 186 | assert(raidrec != NULL);
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| 187 | assert(label != NULL);
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[1] | 188 |
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[1174] | 189 | mr_asprintf(&sz_value, "%d", value);
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[128] | 190 | strcpy(raidrec->additional_vars.el[lino].label, label);
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| 191 | strcpy(raidrec->additional_vars.el[lino].value, sz_value);
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[1080] | 192 | mr_free(sz_value);
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[1] | 193 | }
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| 194 | #endif
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| 195 |
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| 196 | #ifdef __FreeBSD__
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| 197 | /**
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| 198 | * Add a disk to a RAID plex.
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| 199 | * @param p The plex to add the device to.
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| 200 | * @param device_to_add The device to add to @p p.
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| 201 | */
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[128] | 202 | void add_disk_to_raid_device(struct vinum_plex *p, char *device_to_add)
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[1] | 203 | {
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[128] | 204 | strcpy(p->sd[p->subdisks].which_device, device_to_add);
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| 205 | ++p->subdisks;
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[1] | 206 |
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| 207 | }
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| 208 | #else
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| 209 | /**
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| 210 | * Add a disk to a RAID device.
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| 211 | * @param disklist The disklist to add the device to.
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| 212 | * @param device_to_add The device to add to @p disklist.
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| 213 | * @param index The index number of the disklist entry we're creating.
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| 214 | */
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[128] | 215 | void add_disk_to_raid_device(struct list_of_disks *disklist,
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[1103] | 216 | char *device_to_add, int idx)
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[1] | 217 | {
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[128] | 218 | int items;
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[1] | 219 |
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[128] | 220 | assert(disklist != NULL);
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| 221 | assert_string_is_neither_NULL_nor_zerolength(device_to_add);
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| 222 | items = disklist->entries;
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| 223 | strcpy(disklist->el[items].device, device_to_add);
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[1103] | 224 | disklist->el[items].index = idx;
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[128] | 225 | items++;
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| 226 | disklist->entries = items;
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[1] | 227 | }
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| 228 | #endif
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| 229 |
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| 230 |
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| 231 | /**
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| 232 | * Save the additional RAID variables to a stream.
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| 233 | * @param vars The RAID variable list to save.
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| 234 | * @param fout The FILE pointer to save them to.
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| 235 | */
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[128] | 236 | void
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| 237 | save_additional_vars_to_file(struct additional_raid_variables *vars,
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| 238 | FILE * fout)
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[1] | 239 | {
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[128] | 240 | int i;
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[1] | 241 |
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[128] | 242 | assert(vars != NULL);
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| 243 | assert(fout != NULL);
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[1] | 244 |
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[128] | 245 | for (i = 0; i < vars->entries; i++) {
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| 246 | fprintf(fout, " %-21s %s\n", vars->el[i].label,
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| 247 | vars->el[i].value);
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| 248 | }
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[1] | 249 | }
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| 250 |
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| 251 |
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| 252 | /**
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| 253 | * Save a raidlist structure to disk in raidtab format.
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| 254 | * @param raidlist The raidlist to save.
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| 255 | * @param fname The file to save it to.
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| 256 | * @return 0, always.
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| 257 | * @bug Return value is redundant.
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| 258 | */
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[128] | 259 | int save_raidlist_to_raidtab(struct raidlist_itself *raidlist, char *fname)
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[1] | 260 | {
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[128] | 261 | FILE *fout;
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| 262 | int current_raid_device;
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[1] | 263 | #ifdef __FreeBSD__
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[128] | 264 | int i;
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[1] | 265 | #else
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| 266 | // Linux
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| 267 | #endif
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| 268 |
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[128] | 269 | assert(raidlist != NULL);
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| 270 | assert_string_is_neither_NULL_nor_zerolength(fname);
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[1] | 271 |
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[128] | 272 | if (raidlist->entries <= 0) {
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| 273 | unlink(fname);
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| 274 | log_it("Deleting raidtab (no RAID devs anyway)");
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| 275 | return (0);
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| 276 | }
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| 277 | if (!(fout = fopen(fname, "w"))) {
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| 278 | log_OS_error("Failed to save raidlist");
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| 279 | return (1);
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| 280 | }
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| 281 | fprintf(fout, "# Generated by Mondo Rescue\n");
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[1] | 282 |
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| 283 | #ifdef __FreeBSD__
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[128] | 284 | for (i = 0; i < raidlist->disks.entries; ++i) {
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| 285 | fprintf(fout, "drive %s device %s\n", raidlist->disks.el[i].name,
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| 286 | raidlist->disks.el[i].device);
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| 287 | }
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| 288 | for (i = 0; i < (raidlist->spares.entries); ++i) {
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| 289 | fprintf(fout, "drive %s device %s hotspare\n",
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| 290 | raidlist->spares.el[i].name,
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| 291 | raidlist->spares.el[i].device);
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| 292 | }
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[1] | 293 | #endif
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| 294 |
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[128] | 295 | for (current_raid_device = 0; current_raid_device < raidlist->entries;
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| 296 | current_raid_device++) {
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| 297 | save_raidrec_to_file(&raidlist->el[current_raid_device], fout);
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| 298 | }
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| 299 | paranoid_fclose(fout);
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| 300 | return (0);
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[1] | 301 | }
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| 302 |
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| 303 |
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| 304 | /**
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| 305 | * Save an individual RAID device record to a stream.
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| 306 | * @param raidrec The RAID device record to save.
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| 307 | * @param fout The stream to save it to.
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| 308 | */
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[128] | 309 | void save_raidrec_to_file(struct
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[1] | 310 | #ifdef __FreeBSD__
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[128] | 311 | vinum_volume
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[1] | 312 | #else
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[128] | 313 | raid_device_record
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[1] | 314 | #endif
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[128] | 315 | * raidrec, FILE * fout)
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[1] | 316 | {
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| 317 | #ifdef __FreeBSD__
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[128] | 318 | int i, j;
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[1174] | 319 | char *org = NULL;
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[1] | 320 |
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[128] | 321 | fprintf(fout, "\nvolume %s\n", raidrec->volname);
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| 322 | for (i = 0; i < raidrec->plexes; ++i) {
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| 323 | switch (raidrec->plex[i].raidlevel) {
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| 324 | case -1:
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[1174] | 325 | mr_asprintf(&org, "concat");
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[128] | 326 | break;
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| 327 | case 0:
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[1174] | 328 | mr_asprintf(&org, "striped");
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[128] | 329 | break;
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| 330 | case 5:
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[1174] | 331 | mr_asprintf(&org, "raid5");
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[128] | 332 | break;
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| 333 | }
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| 334 | fprintf(fout, " plex org %s", org);
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[1174] | 335 | mr_free(org);
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| 336 |
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[128] | 337 | if (raidrec->plex[i].raidlevel != -1) {
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| 338 | fprintf(fout, " %ik", raidrec->plex[i].stripesize);
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| 339 | }
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| 340 | fprintf(fout, "\n");
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| 341 |
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| 342 | for (j = 0; j < raidrec->plex[i].subdisks; ++j) {
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| 343 | fprintf(fout, " sd drive %s size 0\n",
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| 344 | raidrec->plex[i].sd[j].which_device);
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| 345 | }
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[1] | 346 | }
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[128] | 347 | #else
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| 348 | assert(raidrec != NULL);
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| 349 | assert(fout != NULL);
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| 350 |
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| 351 | fprintf(fout, "raiddev %s\n", raidrec->raid_device);
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[558] | 352 | if (raidrec->raid_level == -2) {
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| 353 | fprintf(fout, " raid-level multipath\n");
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| 354 | } else if (raidrec->raid_level == -1) {
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[128] | 355 | fprintf(fout, " raid-level linear\n");
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| 356 | } else {
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| 357 | fprintf(fout, " raid-level %d\n",
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| 358 | raidrec->raid_level);
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[1] | 359 | }
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[128] | 360 | fprintf(fout, " nr-raid-disks %d\n",
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| 361 | raidrec->data_disks.entries);
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[558] | 362 | if (raidrec->spare_disks.entries > 0) {
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| 363 | fprintf(fout, " nr-spare-disks %d\n",
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| 364 | raidrec->spare_disks.entries);
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| 365 | }
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[128] | 366 | if (raidrec->parity_disks.entries > 0) {
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| 367 | fprintf(fout, " nr-parity-disks %d\n",
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| 368 | raidrec->parity_disks.entries);
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[1] | 369 | }
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[128] | 370 | fprintf(fout, " persistent-superblock %d\n",
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| 371 | raidrec->persistent_superblock);
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[558] | 372 | if (raidrec->chunk_size > -1) {
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| 373 | fprintf(fout, " chunk-size %d\n", raidrec->chunk_size);
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| 374 | }
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| 375 | if (raidrec->parity > -1) {
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| 376 | switch(raidrec->parity) {
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| 377 | case 0:
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| 378 | fprintf(fout, " parity-algorithm left-asymmetric\n");
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| 379 | break;
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| 380 | case 1:
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| 381 | fprintf(fout, " parity-algorithm right-asymmetric\n");
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| 382 | break;
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| 383 | case 2:
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| 384 | fprintf(fout, " parity-algorithm left-symmetric\n");
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| 385 | break;
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| 386 | case 3:
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| 387 | fprintf(fout, " parity-algorithm right-symmetric\n");
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| 388 | break;
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| 389 | default:
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| 390 | fatal_error("Unknown RAID parity algorithm.");
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| 391 | break;
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| 392 | }
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| 393 | }
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[128] | 394 | save_additional_vars_to_file(&raidrec->additional_vars, fout);
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| 395 | fprintf(fout, "\n");
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| 396 | save_disklist_to_file("raid-disk", &raidrec->data_disks, fout);
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| 397 | save_disklist_to_file("spare-disk", &raidrec->spare_disks, fout);
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| 398 | save_disklist_to_file("parity-disk", &raidrec->parity_disks, fout);
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| 399 | save_disklist_to_file("failed-disk", &raidrec->failed_disks, fout);
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| 400 | fprintf(fout, "\n");
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[1] | 401 | #endif
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| 402 | }
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| 403 |
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| 404 | /**
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| 405 | * Retrieve the next line from a raidtab stream.
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| 406 | * @param fin The file to read the input from.
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| 407 | * @param label Where to put the line's label.
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| 408 | * @param value Where to put the line's value.
|
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| 409 | * @return 0 if the line was read and stored successfully, 1 if we're at end of file.
|
---|
| 410 | */
|
---|
[1174] | 411 | int get_next_raidtab_line(FILE *fin, char *label, char *value)
|
---|
[1] | 412 | {
|
---|
[1174] | 413 | char *incoming = NULL;
|
---|
| 414 | char *p = NULL;
|
---|
| 415 | size_t n = 0;
|
---|
[1] | 416 |
|
---|
[128] | 417 | assert(fin != NULL);
|
---|
| 418 | assert(label != NULL);
|
---|
| 419 | assert(value != NULL);
|
---|
[1] | 420 |
|
---|
[128] | 421 | label[0] = value[0] = '\0';
|
---|
| 422 | if (feof(fin)) {
|
---|
| 423 | return (1);
|
---|
[1] | 424 | }
|
---|
[1174] | 425 | for (mr_getline(&incoming, &n, fin); !feof(fin);
|
---|
| 426 | mr_getline(&incoming, &n, fin)) {
|
---|
[1168] | 427 | mr_strip_spaces(incoming);
|
---|
[128] | 428 | p = strchr(incoming, ' ');
|
---|
| 429 | if (strlen(incoming) < 3 || incoming[0] == '#' || !p) {
|
---|
| 430 | continue;
|
---|
| 431 | }
|
---|
| 432 | *(p++) = '\0';
|
---|
| 433 | while (*p == ' ') {
|
---|
| 434 | p++;
|
---|
| 435 | }
|
---|
| 436 | strcpy(label, incoming);
|
---|
| 437 | strcpy(value, p);
|
---|
[1080] | 438 | mr_free(incoming);
|
---|
[128] | 439 | return (0);
|
---|
| 440 | }
|
---|
[1174] | 441 | mr_free(incoming);
|
---|
[128] | 442 | return (1);
|
---|
[1] | 443 | }
|
---|
| 444 |
|
---|
| 445 |
|
---|
| 446 | /**
|
---|
| 447 | * Load a raidtab file into a raidlist structure.
|
---|
| 448 | * @param raidlist The raidlist to fill.
|
---|
| 449 | * @param fname The file to read from.
|
---|
| 450 | * @return 0 for success, 1 for failure.
|
---|
| 451 | */
|
---|
| 452 | #ifdef __FreeBSD__
|
---|
[128] | 453 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 454 | char *fname)
|
---|
[1] | 455 | {
|
---|
[1174] | 456 | FILE *fin = NULL;
|
---|
| 457 | int items = 0;
|
---|
[1] | 458 |
|
---|
[128] | 459 | raidlist->spares.entries = 0;
|
---|
| 460 | raidlist->disks.entries = 0;
|
---|
| 461 | if (length_of_file(fname) < 5) {
|
---|
| 462 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 463 | raidlist->entries = 0;
|
---|
| 464 | return (0);
|
---|
[1] | 465 | }
|
---|
[128] | 466 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 467 | log_it("Cannot open raidtab");
|
---|
| 468 | return (1);
|
---|
[1] | 469 | }
|
---|
[128] | 470 | items = 0;
|
---|
| 471 | log_it("Loading raidtab...");
|
---|
| 472 | while (!feof(fin)) {
|
---|
| 473 | int argc;
|
---|
| 474 | char **argv = get_next_vinum_conf_line(fin, &argc);
|
---|
| 475 | if (!argv)
|
---|
| 476 | break;
|
---|
| 477 | if (!strcmp(argv[0], "drive")) {
|
---|
| 478 | char *drivename, *devname;
|
---|
| 479 | if (argc < 4)
|
---|
| 480 | continue;
|
---|
| 481 | drivename = argv[1];
|
---|
| 482 | devname = get_option_val(argc, argv, "device");
|
---|
| 483 | if (!devname)
|
---|
| 484 | continue;
|
---|
[1] | 485 |
|
---|
[128] | 486 | if (get_option_state(argc, argv, "hotspare")) {
|
---|
| 487 | strcpy(raidlist->spares.el[raidlist->spares.entries].name,
|
---|
| 488 | drivename);
|
---|
| 489 | strcpy(raidlist->spares.el[raidlist->spares.entries].
|
---|
| 490 | device, devname);
|
---|
| 491 | raidlist->spares.el[raidlist->spares.entries].index =
|
---|
| 492 | raidlist->disks.entries;
|
---|
| 493 | raidlist->spares.entries++;
|
---|
| 494 | } else {
|
---|
| 495 | strcpy(raidlist->disks.el[raidlist->disks.entries].name,
|
---|
| 496 | drivename);
|
---|
| 497 | strcpy(raidlist->disks.el[raidlist->disks.entries].device,
|
---|
| 498 | devname);
|
---|
| 499 | raidlist->disks.el[raidlist->disks.entries].index =
|
---|
| 500 | raidlist->disks.entries;
|
---|
| 501 | raidlist->disks.entries++;
|
---|
| 502 | }
|
---|
| 503 | } else if (!strcmp(argv[0], "volume")) {
|
---|
[1174] | 504 | char *volname = NULL;
|
---|
[128] | 505 | if (argc < 2)
|
---|
| 506 | continue;
|
---|
| 507 | volname = argv[1];
|
---|
| 508 | strcpy(raidlist->el[raidlist->entries].volname, volname);
|
---|
| 509 | raidlist->el[raidlist->entries].plexes = 0;
|
---|
| 510 | raidlist->entries++;
|
---|
| 511 | } else if (!strcmp(argv[0], "plex")) {
|
---|
| 512 | int raidlevel, stripesize;
|
---|
[1174] | 513 | char *org = NULL;
|
---|
| 514 | char **tmp = NULL;
|
---|
[128] | 515 | if (argc < 3)
|
---|
| 516 | continue;
|
---|
| 517 | org = get_option_val(argc, argv, "org");
|
---|
| 518 | if (!org)
|
---|
| 519 | continue;
|
---|
| 520 | if (strcmp(org, "concat")) {
|
---|
| 521 | tmp = get_option_vals(argc, argv, "org", 2);
|
---|
| 522 | if (tmp && tmp[1]) {
|
---|
| 523 | stripesize = (int) (size_spec(tmp[1]) / 1024);
|
---|
| 524 | } else
|
---|
| 525 | stripesize = 279;
|
---|
| 526 | } else
|
---|
| 527 | stripesize = 0;
|
---|
[1] | 528 |
|
---|
[128] | 529 | if (!strcmp(org, "concat")) {
|
---|
| 530 | raidlevel = -1;
|
---|
| 531 | } else if (!strcmp(org, "striped")) {
|
---|
| 532 | raidlevel = 0;
|
---|
| 533 | } else if (!strcmp(org, "raid5")) {
|
---|
| 534 | raidlevel = 5;
|
---|
| 535 | } else
|
---|
| 536 | continue;
|
---|
| 537 |
|
---|
| 538 | raidlist->el[raidlist->entries - 1].plex
|
---|
| 539 | [raidlist->el[raidlist->entries - 1].plexes].raidlevel =
|
---|
| 540 | raidlevel;
|
---|
| 541 | raidlist->el[raidlist->entries -
|
---|
| 542 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 543 | 1].plexes].stripesize =
|
---|
| 544 | stripesize;
|
---|
| 545 | raidlist->el[raidlist->entries -
|
---|
| 546 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 547 | 1].plexes].subdisks = 0;
|
---|
| 548 | raidlist->el[raidlist->entries - 1].plexes++;
|
---|
| 549 | } else if ((!strcmp(argv[0], "sd"))
|
---|
| 550 | || (!strcmp(argv[0], "subdisk"))) {
|
---|
[1174] | 551 | char *drive = NULL;
|
---|
[128] | 552 | if (argc < 3)
|
---|
| 553 | continue;
|
---|
| 554 | drive = get_option_val(argc, argv, "drive");
|
---|
| 555 | if (!drive)
|
---|
| 556 | continue;
|
---|
| 557 |
|
---|
| 558 | strcpy(raidlist->el[raidlist->entries - 1].plex
|
---|
| 559 | [raidlist->el[raidlist->entries - 1].plexes - 1].sd
|
---|
| 560 | [raidlist->el[raidlist->entries - 1].plex
|
---|
| 561 | [raidlist->el[raidlist->entries - 1].plexes -
|
---|
| 562 | 1].subdisks].which_device, drive);
|
---|
| 563 | raidlist->el[raidlist->entries -
|
---|
| 564 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 565 | 1].plexes - 1].subdisks++;
|
---|
| 566 | }
|
---|
[1] | 567 | }
|
---|
[128] | 568 | fclose(fin);
|
---|
| 569 | log_it("Raidtab loaded successfully.");
|
---|
[1174] | 570 | log_it("%d RAID devices in raidtab", raidlist->entries);
|
---|
[128] | 571 | return (0);
|
---|
[1] | 572 | }
|
---|
| 573 |
|
---|
| 574 |
|
---|
| 575 | #else
|
---|
| 576 |
|
---|
[128] | 577 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 578 | char *fname)
|
---|
[1] | 579 | {
|
---|
[1174] | 580 | FILE *fin = NULL;
|
---|
| 581 | char *label = NULL;
|
---|
| 582 | char *value = NULL;
|
---|
[128] | 583 | int items;
|
---|
| 584 | int v;
|
---|
[1] | 585 |
|
---|
[128] | 586 | assert(raidlist != NULL);
|
---|
| 587 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
[1] | 588 |
|
---|
[128] | 589 | if (length_of_file(fname) < 5) {
|
---|
| 590 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 591 | raidlist->entries = 0;
|
---|
| 592 | return (0);
|
---|
[1] | 593 | }
|
---|
[128] | 594 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 595 | log_it("Cannot open raidtab");
|
---|
| 596 | return (1);
|
---|
[1] | 597 | }
|
---|
[128] | 598 | items = 0;
|
---|
| 599 | log_it("Loading raidtab...");
|
---|
| 600 | get_next_raidtab_line(fin, label, value);
|
---|
| 601 | while (!feof(fin)) {
|
---|
[1107] | 602 | mr_msg(1, "Looking for raid record #%d", items);
|
---|
[128] | 603 | initialize_raidrec(&raidlist->el[items]);
|
---|
| 604 | v = 0;
|
---|
| 605 | /* find the 'raiddev' entry, indicating the start of the block of info */
|
---|
| 606 | while (!feof(fin) && strcmp(label, "raiddev")) {
|
---|
| 607 | strcpy(raidlist->el[items].additional_vars.el[v].label, label);
|
---|
| 608 | strcpy(raidlist->el[items].additional_vars.el[v].value, value);
|
---|
| 609 | v++;
|
---|
| 610 | get_next_raidtab_line(fin, label, value);
|
---|
| 611 | }
|
---|
| 612 | raidlist->el[items].additional_vars.entries = v;
|
---|
| 613 | if (feof(fin)) {
|
---|
[1107] | 614 | mr_msg(1, "No more records.");
|
---|
[128] | 615 | continue;
|
---|
| 616 | }
|
---|
[1107] | 617 | mr_msg(2, "Record #%d (%s) found", items, value);
|
---|
[128] | 618 | strcpy(raidlist->el[items].raid_device, value);
|
---|
| 619 | for (get_next_raidtab_line(fin, label, value);
|
---|
| 620 | !feof(fin) && strcmp(label, "raiddev");
|
---|
| 621 | get_next_raidtab_line(fin, label, value)) {
|
---|
| 622 | process_raidtab_line(fin, &raidlist->el[items], label, value);
|
---|
| 623 | }
|
---|
| 624 | items++;
|
---|
[1] | 625 | }
|
---|
[128] | 626 | paranoid_fclose(fin);
|
---|
| 627 | raidlist->entries = items;
|
---|
[1107] | 628 | mr_msg(1, "Raidtab loaded successfully.");
|
---|
| 629 | mr_msg(1, "%d RAID devices in raidtab", items);
|
---|
[128] | 630 | return (0);
|
---|
[1] | 631 | }
|
---|
| 632 | #endif
|
---|
| 633 |
|
---|
| 634 |
|
---|
| 635 | #ifndef __FreeBSD__
|
---|
| 636 | /**
|
---|
| 637 | * Process a single line from the raidtab and store the results into @p raidrec.
|
---|
| 638 | * @param fin The stream to read the line from.
|
---|
| 639 | * @param raidrec The RAID device record to update.
|
---|
| 640 | * @param label Where to put the label processed.
|
---|
| 641 | * @param value Where to put the value processed.
|
---|
| 642 | */
|
---|
| 643 | void
|
---|
[1174] | 644 | process_raidtab_line(FILE *fin,
|
---|
[128] | 645 | struct raid_device_record *raidrec,
|
---|
| 646 | char *label, char *value)
|
---|
[1] | 647 | {
|
---|
| 648 |
|
---|
[128] | 649 | /*@ add mallocs * */
|
---|
[1174] | 650 | char *labelB = NULL;
|
---|
| 651 | char *valueB = NULL;
|
---|
[1] | 652 |
|
---|
[1174] | 653 | struct list_of_disks *disklist = NULL;
|
---|
| 654 | int v = 0;
|
---|
[1] | 655 |
|
---|
[128] | 656 | malloc_string(labelB);
|
---|
| 657 | malloc_string(valueB);
|
---|
| 658 | assert(fin != NULL);
|
---|
| 659 | assert(raidrec != NULL);
|
---|
| 660 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
| 661 | assert(value != NULL);
|
---|
[1] | 662 |
|
---|
[128] | 663 | if (!strcmp(label, "raid-level")) {
|
---|
[558] | 664 | if (!strcmp(value, "multipath")) {
|
---|
| 665 | raidrec->raid_level = -2;
|
---|
| 666 | } else if (!strcmp(value, "linear")) {
|
---|
[128] | 667 | raidrec->raid_level = -1;
|
---|
| 668 | } else {
|
---|
| 669 | raidrec->raid_level = atoi(value);
|
---|
| 670 | }
|
---|
| 671 | } else if (!strcmp(label, "nr-raid-disks")) { /* ignore it */
|
---|
| 672 | } else if (!strcmp(label, "nr-spare-disks")) { /* ignore it */
|
---|
| 673 | } else if (!strcmp(label, "nr-parity-disks")) { /* ignore it */
|
---|
| 674 | } else if (!strcmp(label, "nr-failed-disks")) { /* ignore it */
|
---|
| 675 | } else if (!strcmp(label, "persistent-superblock")) {
|
---|
| 676 | raidrec->persistent_superblock = atoi(value);
|
---|
| 677 | } else if (!strcmp(label, "chunk-size")) {
|
---|
| 678 | raidrec->chunk_size = atoi(value);
|
---|
[558] | 679 | } else if (!strcmp(label, "parity-algorithm")) {
|
---|
| 680 | if (!strcmp(value, "left-asymmetric")) {
|
---|
| 681 | raidrec->parity = 0;
|
---|
| 682 | } else if (!strcmp(value, "right-asymmetric")) {
|
---|
| 683 | raidrec->parity = 1;
|
---|
| 684 | } else if (!strcmp(value, "left-symmetric")) {
|
---|
| 685 | raidrec->parity = 2;
|
---|
| 686 | } else if (!strcmp(value, "right-symmetric")) {
|
---|
| 687 | raidrec->parity = 3;
|
---|
| 688 | } else {
|
---|
[1107] | 689 | mr_msg(1, "Unknown RAID parity algorithm '%s'\n.", value);
|
---|
[558] | 690 | }
|
---|
[128] | 691 | } else if (!strcmp(label, "device")) {
|
---|
| 692 | get_next_raidtab_line(fin, labelB, valueB);
|
---|
| 693 | if (!strcmp(labelB, "raid-disk")) {
|
---|
| 694 | disklist = &raidrec->data_disks;
|
---|
| 695 | } else if (!strcmp(labelB, "spare-disk")) {
|
---|
| 696 | disklist = &raidrec->spare_disks;
|
---|
| 697 | } else if (!strcmp(labelB, "parity-disk")) {
|
---|
| 698 | disklist = &raidrec->parity_disks;
|
---|
| 699 | } else if (!strcmp(labelB, "failed-disk")) {
|
---|
| 700 | disklist = &raidrec->failed_disks;
|
---|
| 701 | } else {
|
---|
| 702 | disklist = NULL;
|
---|
| 703 | }
|
---|
| 704 | if (!disklist) {
|
---|
[1174] | 705 | log_it("Ignoring '%s %s' pair of disk %s", labelB, valueB,
|
---|
[128] | 706 | label);
|
---|
| 707 | } else {
|
---|
[1103] | 708 | add_disk_to_raid_device(disklist, value, atoi(valueB));
|
---|
[128] | 709 | }
|
---|
[1174] | 710 | mr_free(labelB);
|
---|
| 711 | mr_free(valueB);
|
---|
[128] | 712 | } else {
|
---|
| 713 | v = raidrec->additional_vars.entries;
|
---|
| 714 | strcpy(raidrec->additional_vars.el[v].label, label);
|
---|
| 715 | strcpy(raidrec->additional_vars.el[v].value, value);
|
---|
| 716 | raidrec->additional_vars.entries = ++v;
|
---|
[1] | 717 | }
|
---|
| 718 | }
|
---|
| 719 | #endif
|
---|
| 720 |
|
---|
| 721 |
|
---|
| 722 | /**
|
---|
| 723 | * Save a disklist to a stream in raidtab format.
|
---|
| 724 | * @param listname One of "raid-disk", "spare-disk", "parity-disk", or "failed-disk".
|
---|
| 725 | * @param disklist The disklist to save to @p fout.
|
---|
| 726 | * @param fout The stream to write to.
|
---|
| 727 | */
|
---|
[128] | 728 | void
|
---|
| 729 | save_disklist_to_file(char *listname,
|
---|
| 730 | struct list_of_disks *disklist, FILE * fout)
|
---|
[1] | 731 | {
|
---|
[128] | 732 | int i;
|
---|
[1] | 733 |
|
---|
[128] | 734 | assert_string_is_neither_NULL_nor_zerolength(listname);
|
---|
| 735 | assert(disklist != NULL);
|
---|
| 736 | assert(fout != NULL);
|
---|
[1] | 737 |
|
---|
[128] | 738 | for (i = 0; i < disklist->entries; i++) {
|
---|
| 739 | fprintf(fout, " device %s\n",
|
---|
| 740 | disklist->el[i].device);
|
---|
| 741 | fprintf(fout, " %-21s %d\n", listname, disklist->el[i].index);
|
---|
| 742 | }
|
---|
[1] | 743 | }
|
---|
| 744 |
|
---|
| 745 |
|
---|
| 746 | #ifdef __FreeBSD__
|
---|
| 747 | /**
|
---|
| 748 | * Add a new plex to a volume. The index of the plex will be <tt>v-\>plexes - 1</tt>.
|
---|
| 749 | * @param v The volume to operate on.
|
---|
| 750 | * @param raidlevel The RAID level of the new plex.
|
---|
| 751 | * @param stripesize The stripe size (chunk size) of the new plex.
|
---|
| 752 | */
|
---|
[128] | 753 | void add_plex_to_volume(struct vinum_volume *v, int raidlevel,
|
---|
| 754 | int stripesize)
|
---|
[1] | 755 | {
|
---|
[128] | 756 | v->plex[v->plexes].raidlevel = raidlevel;
|
---|
| 757 | v->plex[v->plexes].stripesize = stripesize;
|
---|
| 758 | v->plex[v->plexes].subdisks = 0;
|
---|
| 759 | ++v->plexes;
|
---|
[1] | 760 | }
|
---|
| 761 |
|
---|
| 762 | /**
|
---|
| 763 | * For internal use only.
|
---|
| 764 | */
|
---|
[128] | 765 | char **get_next_vinum_conf_line(FILE * f, int *argc)
|
---|
[1] | 766 | {
|
---|
[128] | 767 | int cnt = 0;
|
---|
| 768 | static char *argv[64];
|
---|
| 769 | char **ap;
|
---|
[1174] | 770 | char *line = NULL;
|
---|
| 771 | size_t = 0;
|
---|
| 772 | int lastpos = 0;
|
---|
| 773 |
|
---|
| 774 | mr_getline(&line, &n, f);
|
---|
[128] | 775 | if (feof(f)) {
|
---|
| 776 | log_it("[GNVCL] Uh... I reached the EOF.");
|
---|
[1174] | 777 | return NULL;
|
---|
[1] | 778 | }
|
---|
| 779 |
|
---|
[128] | 780 | for (ap = argv; (*ap = strsep(&line, " \t")) != NULL;)
|
---|
| 781 | if (**ap != '\0') {
|
---|
| 782 | if (++ap >= &argv[64])
|
---|
| 783 | break;
|
---|
| 784 | cnt++;
|
---|
| 785 | }
|
---|
[1] | 786 |
|
---|
[128] | 787 | if (strchr(argv[cnt - 1], '\n')) {
|
---|
| 788 | *(strchr(argv[cnt - 1], '\n')) = '\0';
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 | if (argc)
|
---|
| 792 | *argc = cnt;
|
---|
| 793 | return argv;
|
---|
[1] | 794 | }
|
---|
| 795 |
|
---|
| 796 | /**
|
---|
| 797 | * For internal use only.
|
---|
| 798 | */
|
---|
[128] | 799 | char *get_option_val(int argc, char **argv, char *option)
|
---|
[1] | 800 | {
|
---|
[128] | 801 | int i;
|
---|
| 802 | for (i = 0; i < (argc - 1); ++i) {
|
---|
| 803 | if (!strcmp(argv[i], option)) {
|
---|
| 804 | return argv[i + 1];
|
---|
| 805 | }
|
---|
[1] | 806 | }
|
---|
[128] | 807 | return 0;
|
---|
[1] | 808 | }
|
---|
| 809 |
|
---|
| 810 | /**
|
---|
| 811 | * For internal use only.
|
---|
| 812 | */
|
---|
[128] | 813 | char **get_option_vals(int argc, char **argv, char *option, int nval)
|
---|
[1] | 814 | {
|
---|
[128] | 815 | int i, j;
|
---|
| 816 | static char **ret;
|
---|
[1080] | 817 | ret = (char **) mr_malloc(nval * sizeof(char *));
|
---|
[128] | 818 | for (i = 0; i < (argc - nval); ++i) {
|
---|
| 819 | if (!strcmp(argv[i], option)) {
|
---|
| 820 | for (j = 0; j < nval; ++j) {
|
---|
[1080] | 821 | ret[j] = (char *) mr_malloc(strlen(argv[i + j + 1]) + 1);
|
---|
[128] | 822 | strcpy(ret[j], argv[i + j + 1]);
|
---|
| 823 | }
|
---|
| 824 | return ret;
|
---|
| 825 | }
|
---|
[1] | 826 | }
|
---|
[128] | 827 | return 0;
|
---|
[1] | 828 | }
|
---|
| 829 |
|
---|
| 830 | /**
|
---|
| 831 | * For internal use only.
|
---|
| 832 | */
|
---|
[128] | 833 | bool get_option_state(int argc, char **argv, char *option)
|
---|
[1] | 834 | {
|
---|
[128] | 835 | int i;
|
---|
| 836 | for (i = 0; i < argc; ++i)
|
---|
| 837 | if (!strcmp(argv[i], option))
|
---|
| 838 | return TRUE;
|
---|
[1] | 839 |
|
---|
[128] | 840 | return FALSE;
|
---|
[1] | 841 | }
|
---|
| 842 |
|
---|
| 843 | /**
|
---|
| 844 | * Taken from Vinum source -- for internal use only.
|
---|
| 845 | */
|
---|
| 846 | long long size_spec(char *spec)
|
---|
| 847 | {
|
---|
[128] | 848 | u_int64_t size;
|
---|
| 849 | char *s;
|
---|
| 850 | int sign = 1; /* -1 if negative */
|
---|
[1] | 851 |
|
---|
[128] | 852 | size = 0;
|
---|
| 853 | if (spec != NULL) { /* we have a parameter */
|
---|
| 854 | s = spec;
|
---|
| 855 | if (*s == '-') { /* negative, */
|
---|
| 856 | sign = -1;
|
---|
| 857 | s++; /* skip */
|
---|
| 858 | }
|
---|
| 859 | if ((*s >= '0') && (*s <= '9')) { /* it's numeric */
|
---|
| 860 | while ((*s >= '0') && (*s <= '9')) /* it's numeric */
|
---|
| 861 | size = size * 10 + *s++ - '0'; /* convert it */
|
---|
| 862 | switch (*s) {
|
---|
| 863 | case '\0':
|
---|
| 864 | return size * sign;
|
---|
[1] | 865 |
|
---|
[128] | 866 | case 'B':
|
---|
| 867 | case 'b':
|
---|
| 868 | case 'S':
|
---|
| 869 | case 's':
|
---|
| 870 | return size * sign * 512;
|
---|
[1] | 871 |
|
---|
[128] | 872 | case 'K':
|
---|
| 873 | case 'k':
|
---|
| 874 | return size * sign * 1024;
|
---|
[1] | 875 |
|
---|
[128] | 876 | case 'M':
|
---|
| 877 | case 'm':
|
---|
| 878 | return size * sign * 1024 * 1024;
|
---|
[1] | 879 |
|
---|
[128] | 880 | case 'G':
|
---|
| 881 | case 'g':
|
---|
| 882 | return size * sign * 1024 * 1024 * 1024;
|
---|
[1] | 883 |
|
---|
[128] | 884 | case 'T':
|
---|
| 885 | case 't':
|
---|
| 886 | log_it
|
---|
| 887 | ("Ok, I'm scared... Someone did a TERABYTE+ size-spec");
|
---|
| 888 | return size * sign * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 889 |
|
---|
[128] | 890 | case 'P':
|
---|
| 891 | case 'p':
|
---|
| 892 | log_it
|
---|
| 893 | ("If I was scared last time, I'm freaked out now. Someone actually has a PETABYTE?!?!?!?!");
|
---|
| 894 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 895 |
|
---|
[128] | 896 | case 'E':
|
---|
| 897 | case 'e':
|
---|
| 898 | log_it
|
---|
| 899 | ("Okay, I'm REALLY freaked out. Who could devote a whole EXABYTE to their data?!?!");
|
---|
| 900 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 901 | 1024;
|
---|
[1] | 902 |
|
---|
[128] | 903 | case 'Z':
|
---|
| 904 | case 'z':
|
---|
| 905 | log_it
|
---|
| 906 | ("WHAT!?!? A ZETABYTE!?!? You've GOT to be kidding me!!!");
|
---|
| 907 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 908 | 1024 * 1024;
|
---|
| 909 |
|
---|
| 910 | case 'Y':
|
---|
| 911 | case 'y':
|
---|
| 912 | log_it
|
---|
| 913 | ("Oh my gosh. You actually think a YOTTABYTE will get you anywhere? What're you going to do with 1,208,925,819,614,629,174,706,176 bytes?!?!");
|
---|
| 914 | popup_and_OK
|
---|
[1174] | 915 | (_("That sizespec is more than 1,208,925,819,614,629,174,706,176 bytes. You have a shocking amount of data. Please send a screenshot to the list :-)"));
|
---|
[128] | 916 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 917 | 1024 * 1024 * 1024;
|
---|
| 918 | }
|
---|
| 919 | }
|
---|
[1] | 920 | }
|
---|
[128] | 921 | return size * sign;
|
---|
[1] | 922 | }
|
---|
| 923 |
|
---|
| 924 | #endif
|
---|
| 925 |
|
---|
| 926 |
|
---|
| 927 |
|
---|
| 928 |
|
---|
[558] | 929 | int parse_mdstat(struct raidlist_itself *raidlist, char *device_prefix) {
|
---|
[128] | 930 |
|
---|
[558] | 931 | const char delims[] = " ";
|
---|
| 932 |
|
---|
[1174] | 933 | FILE *fin = NULL;
|
---|
| 934 | int row = 0;
|
---|
| 935 | int i = 0;
|
---|
| 936 | int index_min = 0;
|
---|
[559] | 937 | int lastpos = 0;
|
---|
[558] | 938 | size_t len = 0;
|
---|
[1174] | 939 | char *token = NULL;
|
---|
[559] | 940 | char *string = NULL;
|
---|
[1174] | 941 | char *pos = NULL;
|
---|
[1180] | 942 | char type = ' ';
|
---|
[1174] | 943 | char *strtmp = NULL;
|
---|
[558] | 944 |
|
---|
| 945 | // open file
|
---|
| 946 | if (!(fin = fopen(MDSTAT_FILE, "r"))) {
|
---|
[1107] | 947 | mr_msg(1, "Could not open %s.\n", MDSTAT_FILE);
|
---|
[558] | 948 | return 1;
|
---|
| 949 | }
|
---|
| 950 | // initialise record, build progress and row counters
|
---|
| 951 | raidlist->entries = 0;
|
---|
| 952 | raidlist->el[raidlist->entries].progress = 999;
|
---|
| 953 | row = 1;
|
---|
| 954 | // skip first output row - contains registered RAID levels
|
---|
[1172] | 955 | mr_getline(&string, &len, fin);
|
---|
[558] | 956 | // parse the rest
|
---|
| 957 | while ( !feof_unlocked(fin) ) {
|
---|
[1172] | 958 | mr_getline(&string, &len, fin);
|
---|
[558] | 959 | // trim leading spaces
|
---|
| 960 | pos = string;
|
---|
[1174] | 961 | while (*pos == ' ') pos++;
|
---|
[1171] | 962 | mr_asprintf(&strtmp, pos);
|
---|
[1174] | 963 | mr_allocstr(string,strtmp);
|
---|
[1080] | 964 | mr_free(strtmp);
|
---|
[558] | 965 | // if we have newline after only spaces, this is a blank line, update
|
---|
| 966 | // counters, otherwise do normal parsing
|
---|
| 967 | if (*string == '\n') {
|
---|
| 968 | row = 1;
|
---|
| 969 | raidlist->entries++;
|
---|
| 970 | raidlist->el[raidlist->entries].progress = 999;
|
---|
| 971 | } else {
|
---|
| 972 | switch (row) {
|
---|
| 973 | case 1: // device information
|
---|
| 974 | // check whether last line of record and if so skip
|
---|
| 975 | pos = strcasestr(string, "unused devices: ");
|
---|
| 976 | if (pos == string) {
|
---|
| 977 | //raidlist->entries--;
|
---|
| 978 | break;
|
---|
[128] | 979 | }
|
---|
[558] | 980 | // tokenise string
|
---|
[559] | 981 | token = mr_strtok (string, delims, &lastpos);
|
---|
[558] | 982 | // get RAID device name
|
---|
[1171] | 983 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
[558] | 984 | strcpy(raidlist->el[raidlist->entries].raid_device, strtmp);
|
---|
[1080] | 985 | mr_free(strtmp);
|
---|
| 986 | mr_free(token);
|
---|
[558] | 987 | // skip ':' and status
|
---|
[565] | 988 | token = mr_strtok (string, delims, &lastpos);
|
---|
[1080] | 989 | mr_free(token);
|
---|
[565] | 990 | token = mr_strtok (string, delims, &lastpos);
|
---|
[558] | 991 | if (!strcmp(token, "inactive")) {
|
---|
[1107] | 992 | mr_msg(1, "RAID device '%s' inactive.\n",
|
---|
[558] | 993 | raidlist->el[raidlist->entries].raid_device);
|
---|
[1080] | 994 | mr_free(string);
|
---|
| 995 | mr_free(token);
|
---|
[558] | 996 | return 1;
|
---|
[128] | 997 | }
|
---|
[1080] | 998 | mr_free(token);
|
---|
[559] | 999 |
|
---|
[558] | 1000 | // get RAID level
|
---|
[565] | 1001 | token = mr_strtok (string, delims, &lastpos);
|
---|
[558] | 1002 | if (!strcmp(token, "multipath")) {
|
---|
| 1003 | raidlist->el[raidlist->entries].raid_level = -2;
|
---|
| 1004 | } else if (!strcmp(token, "linear")) {
|
---|
| 1005 | raidlist->el[raidlist->entries].raid_level = -1;
|
---|
| 1006 | } else if (!strcmp(token, "raid0")) {
|
---|
| 1007 | raidlist->el[raidlist->entries].raid_level = 0;
|
---|
| 1008 | } else if (!strcmp(token, "raid1")) {
|
---|
| 1009 | raidlist->el[raidlist->entries].raid_level = 1;
|
---|
| 1010 | } else if (!strcmp(token, "raid4")) {
|
---|
| 1011 | raidlist->el[raidlist->entries].raid_level = 4;
|
---|
| 1012 | } else if (!strcmp(token, "raid5")) {
|
---|
| 1013 | raidlist->el[raidlist->entries].raid_level = 5;
|
---|
| 1014 | } else if (!strcmp(token, "raid6")) {
|
---|
| 1015 | raidlist->el[raidlist->entries].raid_level = 6;
|
---|
| 1016 | } else if (!strcmp(token, "raid10")) {
|
---|
| 1017 | raidlist->el[raidlist->entries].raid_level = 10;
|
---|
| 1018 | } else {
|
---|
[1107] | 1019 | mr_msg(1, "Unknown RAID level '%s'.\n", token);
|
---|
[1080] | 1020 | mr_free(string);
|
---|
| 1021 | mr_free(token);
|
---|
[558] | 1022 | return 1;
|
---|
| 1023 | }
|
---|
[1080] | 1024 | mr_free(token);
|
---|
[559] | 1025 |
|
---|
[558] | 1026 | // get RAID devices (type, index, device)
|
---|
| 1027 | // Note: parity disk for RAID4 is last normal disk, there is no '(P)'
|
---|
| 1028 | raidlist->el[raidlist->entries].data_disks.entries = 0;
|
---|
| 1029 | raidlist->el[raidlist->entries].spare_disks.entries = 0;
|
---|
| 1030 | raidlist->el[raidlist->entries].failed_disks.entries = 0;
|
---|
[565] | 1031 | while((token = mr_strtok (string, delims, &lastpos))) {
|
---|
[558] | 1032 | if ((pos = strstr(token, "("))) {
|
---|
| 1033 | type = *(pos+1);
|
---|
| 1034 | } else {
|
---|
| 1035 | type = ' ';
|
---|
| 1036 | }
|
---|
| 1037 | pos = strstr(token, "[");
|
---|
| 1038 | *pos = '\0';
|
---|
| 1039 | switch(type) {
|
---|
| 1040 | case ' ': // normal data disks
|
---|
| 1041 | raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].index = atoi(pos + 1);
|
---|
[1171] | 1042 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
[558] | 1043 | strcpy(raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].device, strtmp);
|
---|
[1080] | 1044 | mr_free(strtmp);
|
---|
[558] | 1045 | raidlist->el[raidlist->entries].data_disks.entries++;
|
---|
| 1046 | break;
|
---|
| 1047 | case 'S': // spare disks
|
---|
| 1048 | raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].index = atoi(pos + 1);
|
---|
[1171] | 1049 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
[558] | 1050 | strcpy(raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].device, strtmp);
|
---|
[1080] | 1051 | mr_free(strtmp);
|
---|
[558] | 1052 | raidlist->el[raidlist->entries].spare_disks.entries++;
|
---|
| 1053 | break;
|
---|
| 1054 | case 'F': // failed disks
|
---|
| 1055 | raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].index = atoi(pos + 1);
|
---|
[1171] | 1056 | mr_asprintf(&strtmp,"%s%s", device_prefix, token);
|
---|
[558] | 1057 | strcpy(raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].device, strtmp);
|
---|
[1080] | 1058 | mr_free(strtmp);
|
---|
[558] | 1059 | raidlist->el[raidlist->entries].failed_disks.entries++;
|
---|
| 1060 | log_it("At least one failed disk found in RAID array.\n");
|
---|
| 1061 | break;
|
---|
| 1062 | default: // error
|
---|
[1107] | 1063 | mr_msg(1, "Unknown device type '%c'\n", type);
|
---|
[1080] | 1064 | mr_free(string);
|
---|
| 1065 | mr_free(token);
|
---|
[558] | 1066 | return 1;
|
---|
| 1067 | break;
|
---|
| 1068 | }
|
---|
[1080] | 1069 | mr_free(token);
|
---|
[558] | 1070 | }
|
---|
[559] | 1071 |
|
---|
[558] | 1072 | // adjust index for each device so that it starts with 0 for every type
|
---|
| 1073 | index_min = 99;
|
---|
| 1074 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
---|
| 1075 | if (raidlist->el[raidlist->entries].data_disks.el[i].index < index_min) {
|
---|
| 1076 | index_min = raidlist->el[raidlist->entries].data_disks.el[i].index;
|
---|
| 1077 | }
|
---|
| 1078 | }
|
---|
| 1079 | if (index_min > 0) {
|
---|
| 1080 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
---|
| 1081 | raidlist->el[raidlist->entries].data_disks.el[i].index = raidlist->el[raidlist->entries].data_disks.el[i].index - index_min;
|
---|
| 1082 | }
|
---|
| 1083 | }
|
---|
| 1084 | index_min = 99;
|
---|
| 1085 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
---|
| 1086 | if (raidlist->el[raidlist->entries].spare_disks.el[i].index < index_min) {
|
---|
| 1087 | index_min = raidlist->el[raidlist->entries].spare_disks.el[i].index;
|
---|
| 1088 | }
|
---|
| 1089 | }
|
---|
| 1090 | if (index_min > 0) {
|
---|
| 1091 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
---|
| 1092 | raidlist->el[raidlist->entries].spare_disks.el[i].index = raidlist->el[raidlist->entries].spare_disks.el[i].index - index_min;
|
---|
| 1093 | }
|
---|
| 1094 | }
|
---|
| 1095 | index_min = 99;
|
---|
| 1096 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
---|
| 1097 | if (raidlist->el[raidlist->entries].failed_disks.el[i].index < index_min) {
|
---|
| 1098 | index_min = raidlist->el[raidlist->entries].failed_disks.el[i].index;
|
---|
| 1099 | }
|
---|
| 1100 | }
|
---|
| 1101 | if (index_min > 0) {
|
---|
| 1102 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
---|
| 1103 | raidlist->el[raidlist->entries].failed_disks.el[i].index = raidlist->el[raidlist->entries].failed_disks.el[i].index - index_min;
|
---|
| 1104 | }
|
---|
| 1105 | }
|
---|
| 1106 | break;
|
---|
| 1107 | case 2: // config information
|
---|
| 1108 | // check for persistent super block
|
---|
| 1109 | if (strcasestr(string, "super non-persistent")) {
|
---|
| 1110 | raidlist->el[raidlist->entries].persistent_superblock = 0;
|
---|
| 1111 | } else {
|
---|
| 1112 | raidlist->el[raidlist->entries].persistent_superblock = 1;
|
---|
| 1113 | }
|
---|
| 1114 | // extract chunk size
|
---|
| 1115 | if (!(pos = strcasestr(string, "k chunk"))) {
|
---|
| 1116 | raidlist->el[raidlist->entries].chunk_size = -1;
|
---|
| 1117 | } else {
|
---|
| 1118 | while (*pos != ' ') {
|
---|
[671] | 1119 | pos -= 1;
|
---|
[558] | 1120 | if (pos < string) {
|
---|
| 1121 | log_it("String underflow!\n");
|
---|
[1080] | 1122 | mr_free(string);
|
---|
[558] | 1123 | return 1;
|
---|
| 1124 | }
|
---|
| 1125 | }
|
---|
| 1126 | raidlist->el[raidlist->entries].chunk_size = atoi(pos + 1);
|
---|
| 1127 | }
|
---|
| 1128 | // extract parity if present
|
---|
| 1129 | if ((pos = strcasestr(string, "algorithm"))) {
|
---|
| 1130 | raidlist->el[raidlist->entries].parity = atoi(pos + 9);
|
---|
| 1131 | } else {
|
---|
| 1132 | raidlist->el[raidlist->entries].parity = -1;
|
---|
| 1133 | }
|
---|
| 1134 | break;
|
---|
| 1135 | case 3: // optional build status information
|
---|
| 1136 | if (!(pos = strchr(string, '\%'))) {
|
---|
| 1137 | if (strcasestr(string, "delayed")) {
|
---|
| 1138 | raidlist->el[raidlist->entries].progress = -1; // delayed (therefore, stuck at 0%)
|
---|
| 1139 | } else {
|
---|
| 1140 | raidlist->el[raidlist->entries].progress = 999; // not found
|
---|
| 1141 | }
|
---|
| 1142 | } else {
|
---|
| 1143 | while (*pos != ' ') {
|
---|
[671] | 1144 | pos -= 1;
|
---|
[558] | 1145 | if (pos < string) {
|
---|
| 1146 | printf("ERROR: String underflow!\n");
|
---|
[1080] | 1147 | mr_free(string);
|
---|
[558] | 1148 | return 1;
|
---|
| 1149 | }
|
---|
| 1150 | }
|
---|
| 1151 | raidlist->el[raidlist->entries].progress = atoi(pos);
|
---|
| 1152 | }
|
---|
| 1153 | break;
|
---|
[1249] | 1154 | default: // error or IN PROGRESS
|
---|
| 1155 | if (raidlist->el[raidlist->entries].progress != -1 &&
|
---|
| 1156 | raidlist->el[raidlist->entries].progress != 999) {
|
---|
| 1157 | mr_msg(1, "Row %d should not occur in record!\n", row);
|
---|
| 1158 | }
|
---|
[558] | 1159 | break;
|
---|
| 1160 | }
|
---|
| 1161 | row++;
|
---|
| 1162 | }
|
---|
| 1163 | }
|
---|
| 1164 | // close file
|
---|
| 1165 | fclose(fin);
|
---|
| 1166 | // free string
|
---|
[1080] | 1167 | mr_free(string);
|
---|
[558] | 1168 | // return success
|
---|
| 1169 | return 0;
|
---|
| 1170 |
|
---|
[1] | 1171 | }
|
---|
| 1172 |
|
---|
| 1173 |
|
---|
| 1174 |
|
---|
[558] | 1175 |
|
---|
| 1176 | int create_raidtab_from_mdstat(char *raidtab_fname)
|
---|
[1] | 1177 | {
|
---|
[128] | 1178 | struct raidlist_itself *raidlist;
|
---|
| 1179 | int retval = 0;
|
---|
[1] | 1180 |
|
---|
[1080] | 1181 | raidlist = mr_malloc(sizeof(struct raidlist_itself));
|
---|
[1] | 1182 |
|
---|
[558] | 1183 | // FIXME: Prefix '/dev/' should really be dynamic!
|
---|
| 1184 | if (parse_mdstat(raidlist, "/dev/")) {
|
---|
| 1185 | log_to_screen("Sorry, cannot read %s", MDSTAT_FILE);
|
---|
[128] | 1186 | return (1);
|
---|
| 1187 | }
|
---|
| 1188 |
|
---|
| 1189 | retval += save_raidlist_to_raidtab(raidlist, raidtab_fname);
|
---|
| 1190 | return (retval);
|
---|
[1] | 1191 | }
|
---|
| 1192 |
|
---|
| 1193 |
|
---|
| 1194 | /* @} - end of raidGroup */
|
---|