| 1 | /* $Id: libmondo-raid.c 839 2006-09-26 07:47:32Z bruno $
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| 2 | subroutines for handling RAID
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| 3 | */
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| 4 |
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| 5 | /**
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| 6 | * @file
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| 7 | * Functions for handling RAID (especially during restore).
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| 8 | */
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| 9 |
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| 10 | #include "my-stuff.h"
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| 11 | #include "mr_string.h"
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| 12 | #include "mondostructures.h"
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| 13 | #include "newt-specific-EXT.h"
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| 14 | #include "libmondo-files-EXT.h"
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| 15 | #include "libmondo-tools-EXT.h"
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| 16 | #include "libmondo-string-EXT.h"
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| 17 | #include "libmondo-raid.h"
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| 18 | #include "mr_string.h"
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| 19 |
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| 20 | #ifdef __FreeBSD__
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| 21 | /* Nonstandard library functions: */
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| 22 | extern void errx(int exitval, const char *fmt, ...);
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| 23 | extern char *strsep(char **stringp, const char *delim);
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| 24 | #endif
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| 25 |
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| 26 | /*@unused@*/
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| 27 | //static char cvsid[] = "$Id: libmondo-raid.c 839 2006-09-26 07:47:32Z bruno $";
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| 28 |
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| 29 |
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| 30 | /**
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| 31 | * @addtogroup raidGroup
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| 32 | * @{
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| 33 | */
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| 34 | /**
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| 35 | * See if a particular RAID level is supported by the kernel.
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| 36 | * @param raidno The RAID level (-1 through 5) to check. -1 means "linear" under Linux and
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| 37 | * "concatenated" under FreeBSD. It's really the same thing, just different wording.
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| 38 | * @return TRUE if it's supported, FALSE if not.
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| 39 | */
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| 40 | bool is_this_raid_personality_registered(int raidno)
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| 41 | {
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| 42 | #ifdef __FreeBSD__
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| 43 | return ((raidno == -1) || (raidno == 0) || (raidno == 1)
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| 44 | || (raidno == 5)) ? TRUE : FALSE;
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| 45 | #else
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| 46 | /*@ buffer ********************************************************** */
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| 47 | char *command;
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| 48 | int res;
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| 49 |
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| 50 | if (raidno == -1) {
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| 51 | asprintf(&command,
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| 52 | "grep \"linear\" /proc/mdstat > /dev/null 2> /dev/null");
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| 53 | } else {
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| 54 | asprintf(&command,
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| 55 | "grep \"raid%d\" /proc/mdstat > /dev/null 2> /dev/null",
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| 56 | raidno);
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| 57 | }
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| 58 | log_it("Is raid %d registered? Command = '%s'", raidno, command);
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| 59 | res = system(command);
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| 60 | paranoid_free(command);
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| 61 | if (res) {
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| 62 | return (FALSE);
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| 63 | } else {
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| 64 | return (TRUE);
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| 65 | }
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| 66 | #endif
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| 67 | }
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| 68 |
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| 69 |
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| 70 | /**
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| 71 | * Search for @p device in @p disklist.
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| 72 | * @param disklist The disklist to search in.
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| 73 | * @param device The device to search for.
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| 74 | * @return The index number of @p device, or -1 if it does not exist.
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| 75 | */
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| 76 | int
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| 77 | where_in_drivelist_is_drive(struct list_of_disks *disklist, char *device)
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| 78 | {
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| 79 |
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| 80 | /*@ int ************************************************************* */
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| 81 | int i = 0;
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| 82 |
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| 83 | assert(disklist != NULL);
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| 84 | assert_string_is_neither_NULL_nor_zerolength(device);
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| 85 |
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| 86 | for (i = 0; i < disklist->entries; i++) {
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| 87 | if (!strcmp(disklist->el[i].device, device)) {
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| 88 | break;
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| 89 | }
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| 90 | }
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| 91 | if (i == disklist->entries) {
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| 92 | return (-1);
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| 93 | } else {
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| 94 | return (i);
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | /**
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| 99 | * Determine which RAID device is using a particular partition.
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| 100 | * @param raidlist The RAID information structure.
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| 101 | * @param device The partition to find out about.
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| 102 | * @return The index number of the RAID device using @p device, or -1 if there is none.
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| 103 | */
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| 104 | int
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| 105 | which_raid_device_is_using_this_partition(struct raidlist_itself *raidlist,
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| 106 | char *device)
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| 107 | {
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| 108 | #ifdef __FreeBSD__
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| 109 | // FreeBSD-specific version of which_raid_device_is_using_this_partition()
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| 110 | /*@ int ********************************************************* */
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| 111 | int i = 0;
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| 112 |
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| 113 | for (i = 0; i < raidlist->entries; i++) {
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| 114 | bool thisone = FALSE;
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| 115 | int j, k, l;
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| 116 |
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| 117 | for (j = 0; j < raidlist->el[i].plexes; ++j) {
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| 118 | for (k = 0; k < raidlist->el[i].plex[j].subdisks; ++k) {
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| 119 | for (l = 0; l < raidlist->disks.entries; ++l) {
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| 120 | if (!strcmp(raidlist->disks.el[l].device,
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| 121 | device) &&
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| 122 | !strcmp(raidlist->el[i].plex[j].sd[k].which_device,
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| 123 | raidlist->disks.el[l].name))
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| 124 | thisone = TRUE;
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| 125 | }
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| 126 | }
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| 127 | }
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| 128 |
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| 129 | if (thisone) {
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| 130 | break;
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| 131 | }
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| 132 | }
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| 133 | if (i == raidlist->entries) {
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| 134 | return (-1);
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| 135 | } else {
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| 136 | return (i);
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| 137 | }
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| 138 | }
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| 139 |
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| 140 | #else
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| 141 | // Linux-specific version of which_raid_device_is_using_this_partition()
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| 142 | // and one other function which FreeBSD doesn't use
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| 143 |
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| 144 | int current_raiddev = 0;
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| 145 |
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| 146 | assert_string_is_neither_NULL_nor_zerolength(device);
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| 147 | assert(raidlist != NULL);
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| 148 |
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| 149 | for (current_raiddev = 0; current_raiddev < raidlist->entries;
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| 150 | current_raiddev++) {
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| 151 | if (where_in_drivelist_is_drive
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| 152 | (&raidlist->el[current_raiddev].data_disks, device) >= 0
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| 153 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 154 | spare_disks, device) >= 0
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| 155 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 156 | parity_disks, device) >= 0
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| 157 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 158 | failed_disks, device) >= 0) {
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| 159 | break;
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| 160 | }
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| 161 | }
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| 162 | if (current_raiddev == raidlist->entries) {
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| 163 | return (-1);
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| 164 | } else {
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| 165 | return (current_raiddev);
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| 166 | }
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| 167 | }
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| 168 |
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| 169 | /**
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| 170 | * Write an @c int variable to a list of RAID variables.
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| 171 | * @param raidrec The RAID device record to write to.
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| 172 | * @param lino The variable index number to modify/create.
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| 173 | * @param label The label to write.
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| 174 | * @param value The value to write.
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| 175 | */
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| 176 | void
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| 177 | write_variableINT_to_raid_var_line(struct raid_device_record *raidrec,
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| 178 | int lino, char *label, int value)
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| 179 | {
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| 180 | /*@ buffers ***************************************************** */
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| 181 | char *sz_value = NULL;
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| 182 | char *sz_label = NULL;
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| 183 |
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| 184 | assert(raidrec != NULL);
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| 185 | assert(label != NULL);
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| 186 |
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| 187 | asprintf(&sz_value, "%d", value);
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| 188 | asprintf(&sz_label,label);
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| 189 | raidrec->additional_vars.el[lino].value = sz_value;
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| 190 | raidrec->additional_vars.el[lino].label = sz_label;
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| 191 | }
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| 192 | #endif
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| 193 |
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| 194 | #ifdef __FreeBSD__
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| 195 | /**
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| 196 | * Add a disk to a RAID plex.
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| 197 | * @param p The plex to add the device to.
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| 198 | * @param device_to_add The device to add to @p p.
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| 199 | */
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| 200 | void add_disk_to_raid_device(struct vinum_plex *p, char *device_to_add)
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| 201 | {
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| 202 | strcpy(p->sd[p->subdisks].which_device, device_to_add);
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| 203 | ++p->subdisks;
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| 204 |
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| 205 | }
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| 206 | #else
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| 207 | /**
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| 208 | * Add a disk to a RAID device.
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| 209 | * @param disklist The disklist to add the device to.
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| 210 | * @param device_to_add The device to add to @p disklist.
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| 211 | * @param index The index number of the disklist entry we're creating.
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| 212 | */
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| 213 | void add_disk_to_raid_device(struct list_of_disks *disklist,
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| 214 | char *device_to_add, int index)
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| 215 | {
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| 216 | int items;
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| 217 |
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| 218 | assert(disklist != NULL);
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| 219 | assert_string_is_neither_NULL_nor_zerolength(device_to_add);
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| 220 | items = disklist->entries;
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| 221 | strcpy(disklist->el[items].device, device_to_add);
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| 222 | disklist->el[items].index = index;
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| 223 | items++;
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| 224 | disklist->entries = items;
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| 225 | }
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| 226 | #endif
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| 227 |
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| 228 | /**
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| 229 | * Save the additional RAID variables to a stream.
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| 230 | * @param vars The RAID variable list to save.
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| 231 | * @param fout The FILE pointer to save them to.
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| 232 | */
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| 233 | void
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| 234 | save_additional_vars_to_file(struct additional_raid_variables *vars,
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| 235 | FILE * fout)
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| 236 | {
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| 237 | int i;
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| 238 |
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| 239 | assert(vars != NULL);
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| 240 | assert(fout != NULL);
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| 241 |
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| 242 | for (i = 0; i < vars->entries; i++) {
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| 243 | fprintf(fout, " %-21s %s\n", vars->el[i].label,
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| 244 | vars->el[i].value);
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| 245 | }
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| 246 | }
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| 247 |
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| 248 |
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| 249 | /**
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| 250 | * Save a raidlist structure to disk in raidtab format.
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| 251 | * @param raidlist The raidlist to save.
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| 252 | * @param fname The file to save it to.
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| 253 | * @return 0, always.
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| 254 | * @bug Return value is redundant.
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| 255 | */
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| 256 | int save_raidlist_to_raidtab(struct raidlist_itself *raidlist, char *fname)
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| 257 | {
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| 258 | FILE *fout;
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| 259 | int current_raid_device;
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| 260 | #ifdef __FreeBSD__
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| 261 | int i;
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| 262 | #else
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| 263 | // Linux
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| 264 | #endif
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| 265 |
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| 266 | assert(raidlist != NULL);
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| 267 | assert_string_is_neither_NULL_nor_zerolength(fname);
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| 268 |
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| 269 | if (raidlist->entries <= 0) {
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| 270 | unlink(fname);
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| 271 | log_it("Deleting raidtab (no RAID devs anyway)");
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| 272 | return (0);
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| 273 | }
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| 274 | if (!(fout = fopen(fname, "w"))) {
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| 275 | log_OS_error("Failed to save raidlist");
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| 276 | return (1);
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| 277 | }
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| 278 | fprintf(fout, "# Generated by Mondo Rescue\n");
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| 279 |
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| 280 | #ifdef __FreeBSD__
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| 281 | for (i = 0; i < raidlist->disks.entries; ++i) {
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| 282 | fprintf(fout, "drive %s device %s\n", raidlist->disks.el[i].name,
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| 283 | raidlist->disks.el[i].device);
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| 284 | }
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| 285 | for (i = 0; i < (raidlist->spares.entries); ++i) {
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| 286 | fprintf(fout, "drive %s device %s hotspare\n",
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| 287 | raidlist->spares.el[i].name,
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| 288 | raidlist->spares.el[i].device);
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| 289 | }
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| 290 | #endif
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| 291 |
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| 292 | for (current_raid_device = 0; current_raid_device < raidlist->entries;
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| 293 | current_raid_device++) {
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| 294 | save_raidrec_to_file(&raidlist->el[current_raid_device], fout);
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| 295 | }
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| 296 | paranoid_fclose(fout);
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| 297 | return (0);
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| 298 | }
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| 299 |
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| 300 |
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| 301 | /**
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| 302 | * Save an individual RAID device record to a stream.
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| 303 | * @param raidrec The RAID device record to save.
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| 304 | * @param fout The stream to save it to.
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| 305 | */
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| 306 | void save_raidrec_to_file(struct
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| 307 | #ifdef __FreeBSD__
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| 308 | vinum_volume
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| 309 | #else
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| 310 | raid_device_record
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| 311 | #endif
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| 312 | * raidrec, FILE * fout)
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| 313 | {
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| 314 | #ifdef __FreeBSD__
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| 315 | int i, j;
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| 316 |
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| 317 | fprintf(fout, "\nvolume %s\n", raidrec->volname);
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| 318 | for (i = 0; i < raidrec->plexes; ++i) {
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| 319 | char *org;
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| 320 | switch (raidrec->plex[i].raidlevel) {
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| 321 | case -1:
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| 322 | asprintf(&org, "%s", "concat");
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| 323 | break;
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| 324 | case 0:
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| 325 | asprintf(&org, "%s", "striped");
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| 326 | break;
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| 327 | case 5:
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| 328 | asprintf(&org, "%s", "raid5");
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| 329 | break;
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| 330 | }
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| 331 | fprintf(fout, " plex org %s", org);
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| 332 | paranoid_free(org);
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| 333 |
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| 334 | if (raidrec->plex[i].raidlevel != -1) {
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| 335 | fprintf(fout, " %ik", raidrec->plex[i].stripesize);
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| 336 | }
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| 337 | fprintf(fout, "\n");
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| 338 |
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| 339 | for (j = 0; j < raidrec->plex[i].subdisks; ++j) {
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| 340 | fprintf(fout, " sd drive %s size 0\n",
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| 341 | raidrec->plex[i].sd[j].which_device);
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| 342 | }
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| 343 | }
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| 344 | #else
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| 345 | assert(raidrec != NULL);
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| 346 | assert(fout != NULL);
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| 347 |
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| 348 | fprintf(fout, "raiddev %s\n", raidrec->raid_device);
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| 349 | if (raidrec->raid_level == -2) {
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| 350 | fprintf(fout, " raid-level multipath\n");
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| 351 | } else if (raidrec->raid_level == -1) {
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| 352 | fprintf(fout, " raid-level linear\n");
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| 353 | } else {
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| 354 | fprintf(fout, " raid-level %d\n",
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| 355 | raidrec->raid_level);
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| 356 | }
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| 357 | fprintf(fout, " nr-raid-disks %d\n",
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| 358 | raidrec->data_disks.entries);
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| 359 | if (raidrec->spare_disks.entries > 0) {
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| 360 | fprintf(fout, " nr-spare-disks %d\n",
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| 361 | raidrec->spare_disks.entries);
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| 362 | }
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| 363 | if (raidrec->parity_disks.entries > 0) {
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| 364 | fprintf(fout, " nr-parity-disks %d\n",
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| 365 | raidrec->parity_disks.entries);
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| 366 | }
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| 367 | fprintf(fout, " persistent-superblock %d\n",
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| 368 | raidrec->persistent_superblock);
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| 369 | if (raidrec->chunk_size > -1) {
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| 370 | fprintf(fout, " chunk-size %d\n", raidrec->chunk_size);
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| 371 | }
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| 372 | if (raidrec->parity > -1) {
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| 373 | switch(raidrec->parity) {
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| 374 | case 0:
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| 375 | fprintf(fout, " parity-algorithm left-asymmetric\n");
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| 376 | break;
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| 377 | case 1:
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| 378 | fprintf(fout, " parity-algorithm right-asymmetric\n");
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| 379 | break;
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| 380 | case 2:
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| 381 | fprintf(fout, " parity-algorithm left-symmetric\n");
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| 382 | break;
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| 383 | case 3:
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| 384 | fprintf(fout, " parity-algorithm right-symmetric\n");
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| 385 | break;
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| 386 | default:
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| 387 | fatal_error("Unknown RAID parity algorithm.");
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| 388 | break;
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| 389 | }
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| 390 | }
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| 391 | save_additional_vars_to_file(&raidrec->additional_vars, fout);
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| 392 | fprintf(fout, "\n");
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| 393 | save_disklist_to_file("raid-disk", &raidrec->data_disks, fout);
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| 394 | save_disklist_to_file("spare-disk", &raidrec->spare_disks, fout);
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| 395 | save_disklist_to_file("parity-disk", &raidrec->parity_disks, fout);
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| 396 | save_disklist_to_file("failed-disk", &raidrec->failed_disks, fout);
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| 397 | fprintf(fout, "\n");
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| 398 | #endif
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| 399 | }
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| 400 |
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| 401 | /**
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| 402 | * Retrieve the next line from a raidtab stream.
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| 403 | * @param fin The file to read the input from.
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| 404 | * @param label Where to put the line's label.
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| 405 | * @param value Where to put the line's value.
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| 406 | * @return 0 if the line was read and stored successfully, 1 if we're at end of file.
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| 407 | */
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| 408 | int get_next_raidtab_line(FILE *fin, char *label, char *value)
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| 409 | {
|
|---|
| 410 | char *incoming = NULL;
|
|---|
| 411 | char *p = NULL;
|
|---|
| 412 | size_t n = 0;
|
|---|
| 413 |
|
|---|
| 414 | assert(fin != NULL);
|
|---|
| 415 |
|
|---|
| 416 | if (feof(fin)) {
|
|---|
| 417 | return (1);
|
|---|
| 418 | }
|
|---|
| 419 |
|
|---|
| 420 | for (getline(&incoming, &n, fin); !feof(fin);
|
|---|
| 421 | getline(&incoming, &n, fin)) {
|
|---|
| 422 | strip_spaces(incoming);
|
|---|
| 423 | p = strchr(incoming, ' ');
|
|---|
| 424 | if (strlen(incoming) < 3 || incoming[0] == '#' || !p) {
|
|---|
| 425 | continue;
|
|---|
| 426 | }
|
|---|
| 427 | *(p++) = '\0';
|
|---|
| 428 | while (*p == ' ') {
|
|---|
| 429 | p++;
|
|---|
| 430 | }
|
|---|
| 431 | label = incoming;
|
|---|
| 432 | value = p;
|
|---|
| 433 | return (0);
|
|---|
| 434 | }
|
|---|
| 435 | paranoid_free(incoming);
|
|---|
| 436 | return (1);
|
|---|
| 437 | }
|
|---|
| 438 |
|
|---|
| 439 |
|
|---|
| 440 | /**
|
|---|
| 441 | * Load a raidtab file into a raidlist structure.
|
|---|
| 442 | * @param raidlist The raidlist to fill.
|
|---|
| 443 | * @param fname The file to read from.
|
|---|
| 444 | * @return 0 for success, 1 for failure.
|
|---|
| 445 | */
|
|---|
| 446 | #ifdef __FreeBSD__
|
|---|
| 447 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
|---|
| 448 | char *fname)
|
|---|
| 449 | {
|
|---|
| 450 | FILE *fin;
|
|---|
| 451 | char *tmp1;
|
|---|
| 452 | int items;
|
|---|
| 453 |
|
|---|
| 454 | raidlist->spares.entries = 0;
|
|---|
| 455 | raidlist->disks.entries = 0;
|
|---|
| 456 | if (length_of_file(fname) < 5) {
|
|---|
| 457 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
|---|
| 458 | raidlist->entries = 0;
|
|---|
| 459 | return (0);
|
|---|
| 460 | }
|
|---|
| 461 | if (!(fin = fopen(fname, "r"))) {
|
|---|
| 462 | log_it("Cannot open raidtab");
|
|---|
| 463 | return (1);
|
|---|
| 464 | }
|
|---|
| 465 | items = 0;
|
|---|
| 466 | log_it("Loading raidtab...");
|
|---|
| 467 | while (!feof(fin)) {
|
|---|
| 468 | int argc;
|
|---|
| 469 | char **argv = get_next_vinum_conf_line(fin, &argc);
|
|---|
| 470 | if (!argv)
|
|---|
| 471 | break;
|
|---|
| 472 | if (!strcmp(argv[0], "drive")) {
|
|---|
| 473 | char *drivename, *devname;
|
|---|
| 474 | if (argc < 4)
|
|---|
| 475 | continue;
|
|---|
| 476 | drivename = argv[1];
|
|---|
| 477 | devname = get_option_val(argc, argv, "device");
|
|---|
| 478 | if (!devname)
|
|---|
| 479 | continue;
|
|---|
| 480 |
|
|---|
| 481 | if (get_option_state(argc, argv, "hotspare")) {
|
|---|
| 482 | strcpy(raidlist->spares.el[raidlist->spares.entries].name,
|
|---|
| 483 | drivename);
|
|---|
| 484 | strcpy(raidlist->spares.el[raidlist->spares.entries].
|
|---|
| 485 | device, devname);
|
|---|
| 486 | raidlist->spares.el[raidlist->spares.entries].index =
|
|---|
| 487 | raidlist->disks.entries;
|
|---|
| 488 | raidlist->spares.entries++;
|
|---|
| 489 | } else {
|
|---|
| 490 | strcpy(raidlist->disks.el[raidlist->disks.entries].name,
|
|---|
| 491 | drivename);
|
|---|
| 492 | strcpy(raidlist->disks.el[raidlist->disks.entries].device,
|
|---|
| 493 | devname);
|
|---|
| 494 | raidlist->disks.el[raidlist->disks.entries].index =
|
|---|
| 495 | raidlist->disks.entries;
|
|---|
| 496 | raidlist->disks.entries++;
|
|---|
| 497 | }
|
|---|
| 498 | } else if (!strcmp(argv[0], "volume")) {
|
|---|
| 499 | char *volname;
|
|---|
| 500 | if (argc < 2)
|
|---|
| 501 | continue;
|
|---|
| 502 | volname = argv[1];
|
|---|
| 503 | strcpy(raidlist->el[raidlist->entries].volname, volname);
|
|---|
| 504 | raidlist->el[raidlist->entries].plexes = 0;
|
|---|
| 505 | raidlist->entries++;
|
|---|
| 506 | } else if (!strcmp(argv[0], "plex")) {
|
|---|
| 507 | int raidlevel, stripesize;
|
|---|
| 508 | char *org = 0;
|
|---|
| 509 | char **tmp = 0;
|
|---|
| 510 | if (argc < 3)
|
|---|
| 511 | continue;
|
|---|
| 512 | org = get_option_val(argc, argv, "org");
|
|---|
| 513 | if (!org)
|
|---|
| 514 | continue;
|
|---|
| 515 | if (strcmp(org, "concat")) {
|
|---|
| 516 | tmp = get_option_vals(argc, argv, "org", 2);
|
|---|
| 517 | if (tmp && tmp[1]) {
|
|---|
| 518 | stripesize = (int) (size_spec(tmp[1]) / 1024);
|
|---|
| 519 | } else
|
|---|
| 520 | stripesize = 279;
|
|---|
| 521 | } else
|
|---|
| 522 | stripesize = 0;
|
|---|
| 523 |
|
|---|
| 524 | if (!strcmp(org, "concat")) {
|
|---|
| 525 | raidlevel = -1;
|
|---|
| 526 | } else if (!strcmp(org, "striped")) {
|
|---|
| 527 | raidlevel = 0;
|
|---|
| 528 | } else if (!strcmp(org, "raid5")) {
|
|---|
| 529 | raidlevel = 5;
|
|---|
| 530 | } else
|
|---|
| 531 | continue;
|
|---|
| 532 |
|
|---|
| 533 | raidlist->el[raidlist->entries - 1].plex
|
|---|
| 534 | [raidlist->el[raidlist->entries - 1].plexes].raidlevel =
|
|---|
| 535 | raidlevel;
|
|---|
| 536 | raidlist->el[raidlist->entries -
|
|---|
| 537 | 1].plex[raidlist->el[raidlist->entries -
|
|---|
| 538 | 1].plexes].stripesize =
|
|---|
| 539 | stripesize;
|
|---|
| 540 | raidlist->el[raidlist->entries -
|
|---|
| 541 | 1].plex[raidlist->el[raidlist->entries -
|
|---|
| 542 | 1].plexes].subdisks = 0;
|
|---|
| 543 | raidlist->el[raidlist->entries - 1].plexes++;
|
|---|
| 544 | } else if ((!strcmp(argv[0], "sd"))
|
|---|
| 545 | || (!strcmp(argv[0], "subdisk"))) {
|
|---|
| 546 | char *drive = 0;
|
|---|
| 547 | if (argc < 3)
|
|---|
| 548 | continue;
|
|---|
| 549 | drive = get_option_val(argc, argv, "drive");
|
|---|
| 550 | if (!drive)
|
|---|
| 551 | continue;
|
|---|
| 552 |
|
|---|
| 553 | strcpy(raidlist->el[raidlist->entries - 1].plex
|
|---|
| 554 | [raidlist->el[raidlist->entries - 1].plexes - 1].sd
|
|---|
| 555 | [raidlist->el[raidlist->entries - 1].plex
|
|---|
| 556 | [raidlist->el[raidlist->entries - 1].plexes -
|
|---|
| 557 | 1].subdisks].which_device, drive);
|
|---|
| 558 | raidlist->el[raidlist->entries -
|
|---|
| 559 | 1].plex[raidlist->el[raidlist->entries -
|
|---|
| 560 | 1].plexes - 1].subdisks++;
|
|---|
| 561 | }
|
|---|
| 562 | }
|
|---|
| 563 | fclose(fin);
|
|---|
| 564 | log_it("Raidtab loaded successfully.");
|
|---|
| 565 | asprintf(&tmp1, "%d RAID devices in raidtab", raidlist->entries);
|
|---|
| 566 | log_it(tmp1);
|
|---|
| 567 | paranoid_free(tmp1);
|
|---|
| 568 | return (0);
|
|---|
| 569 | }
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 | #else
|
|---|
| 573 |
|
|---|
| 574 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
|---|
| 575 | char *fname)
|
|---|
| 576 | {
|
|---|
| 577 | FILE *fin = NULL;
|
|---|
| 578 | char *label = NULL;
|
|---|
| 579 | char *value = NULL;
|
|---|
| 580 | int items;
|
|---|
| 581 | int v;
|
|---|
| 582 |
|
|---|
| 583 | assert(raidlist != NULL);
|
|---|
| 584 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
|---|
| 585 |
|
|---|
| 586 | if (length_of_file(fname) < 5) {
|
|---|
| 587 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
|---|
| 588 | raidlist->entries = 0;
|
|---|
| 589 | return (0);
|
|---|
| 590 | }
|
|---|
| 591 | if (!(fin = fopen(fname, "r"))) {
|
|---|
| 592 | log_it("Cannot open raidtab");
|
|---|
| 593 | return (1);
|
|---|
| 594 | }
|
|---|
| 595 | items = 0;
|
|---|
| 596 | log_it("Loading raidtab...");
|
|---|
| 597 | get_next_raidtab_line(fin, label, value);
|
|---|
| 598 | while (!feof(fin)) {
|
|---|
| 599 | log_msg(1, "Looking for raid record #%d", items);
|
|---|
| 600 | initialize_raidrec(&raidlist->el[items]);
|
|---|
| 601 | v = 0;
|
|---|
| 602 | /* find the 'raiddev' entry, indicating the start of the block of info */
|
|---|
| 603 | while (!feof(fin) && strcmp(label, "raiddev")) {
|
|---|
| 604 | raidlist->el[items].additional_vars.el[v].label = label;
|
|---|
| 605 | raidlist->el[items].additional_vars.el[v].value = value;
|
|---|
| 606 | v++;
|
|---|
| 607 | get_next_raidtab_line(fin, label, value);
|
|---|
| 608 | }
|
|---|
| 609 | raidlist->el[items].additional_vars.entries = v;
|
|---|
| 610 | if (feof(fin)) {
|
|---|
| 611 | log_msg(1, "No more records.");
|
|---|
| 612 | continue;
|
|---|
| 613 | }
|
|---|
| 614 | log_msg(2, "Record #%d (%s) found", items, value);
|
|---|
| 615 | raidlist->el[items].raid_device = value;
|
|---|
| 616 | for (get_next_raidtab_line(fin, label, value);
|
|---|
| 617 | !feof(fin) && strcmp(label, "raiddev");
|
|---|
| 618 | get_next_raidtab_line(fin, label, value)) {
|
|---|
| 619 | process_raidtab_line(fin, &raidlist->el[items], label, value);
|
|---|
| 620 | }
|
|---|
| 621 | items++;
|
|---|
| 622 | }
|
|---|
| 623 | paranoid_fclose(fin);
|
|---|
| 624 | raidlist->entries = items;
|
|---|
| 625 | log_msg(1, "Raidtab loaded successfully.");
|
|---|
| 626 | log_msg(1, "%d RAID devices in raidtab", items);
|
|---|
| 627 | return (0);
|
|---|
| 628 | }
|
|---|
| 629 | #endif
|
|---|
| 630 |
|
|---|
| 631 |
|
|---|
| 632 | #ifndef __FreeBSD__
|
|---|
| 633 | /**
|
|---|
| 634 | * Process a single line from the raidtab and store the results into @p raidrec.
|
|---|
| 635 | * @param fin The stream to read the line from.
|
|---|
| 636 | * @param raidrec The RAID device record to update.
|
|---|
| 637 | * @param label Where to put the label processed.
|
|---|
| 638 | * @param value Where to put the value processed.
|
|---|
| 639 | */
|
|---|
| 640 | void
|
|---|
| 641 | process_raidtab_line(FILE *fin,
|
|---|
| 642 | struct raid_device_record *raidrec,
|
|---|
| 643 | char *label, char *value)
|
|---|
| 644 | {
|
|---|
| 645 |
|
|---|
| 646 | /*@ add mallocs * */
|
|---|
| 647 | char *tmp = NULL;
|
|---|
| 648 | char *labelB = NULL;
|
|---|
| 649 | char *valueB = NULL;
|
|---|
| 650 |
|
|---|
| 651 | struct list_of_disks *disklist = NULL;
|
|---|
| 652 | int index = 0;
|
|---|
| 653 | int v = 0;
|
|---|
| 654 |
|
|---|
| 655 | assert(fin != NULL);
|
|---|
| 656 | assert(raidrec != NULL);
|
|---|
| 657 | assert_string_is_neither_NULL_nor_zerolength(label);
|
|---|
| 658 | assert(value != NULL);
|
|---|
| 659 |
|
|---|
| 660 | if (!strcmp(label, "raid-level")) {
|
|---|
| 661 | if (!strcmp(value, "multipath")) {
|
|---|
| 662 | raidrec->raid_level = -2;
|
|---|
| 663 | } else if (!strcmp(value, "linear")) {
|
|---|
| 664 | raidrec->raid_level = -1;
|
|---|
| 665 | } else {
|
|---|
| 666 | raidrec->raid_level = atoi(value);
|
|---|
| 667 | }
|
|---|
| 668 | } else if (!strcmp(label, "nr-raid-disks")) { /* ignore it */
|
|---|
| 669 | } else if (!strcmp(label, "nr-spare-disks")) { /* ignore it */
|
|---|
| 670 | } else if (!strcmp(label, "nr-parity-disks")) { /* ignore it */
|
|---|
| 671 | } else if (!strcmp(label, "nr-failed-disks")) { /* ignore it */
|
|---|
| 672 | } else if (!strcmp(label, "persistent-superblock")) {
|
|---|
| 673 | raidrec->persistent_superblock = atoi(value);
|
|---|
| 674 | } else if (!strcmp(label, "chunk-size")) {
|
|---|
| 675 | raidrec->chunk_size = atoi(value);
|
|---|
| 676 | } else if (!strcmp(label, "parity-algorithm")) {
|
|---|
| 677 | if (!strcmp(value, "left-asymmetric")) {
|
|---|
| 678 | raidrec->parity = 0;
|
|---|
| 679 | } else if (!strcmp(value, "right-asymmetric")) {
|
|---|
| 680 | raidrec->parity = 1;
|
|---|
| 681 | } else if (!strcmp(value, "left-symmetric")) {
|
|---|
| 682 | raidrec->parity = 2;
|
|---|
| 683 | } else if (!strcmp(value, "right-symmetric")) {
|
|---|
| 684 | raidrec->parity = 3;
|
|---|
| 685 | } else {
|
|---|
| 686 | log_msg(1, "Unknown RAID parity algorithm '%s'\n.", value);
|
|---|
| 687 | }
|
|---|
| 688 | } else if (!strcmp(label, "device")) {
|
|---|
| 689 | get_next_raidtab_line(fin, labelB, valueB);
|
|---|
| 690 | if (!strcmp(labelB, "raid-disk")) {
|
|---|
| 691 | disklist = &raidrec->data_disks;
|
|---|
| 692 | } else if (!strcmp(labelB, "spare-disk")) {
|
|---|
| 693 | disklist = &raidrec->spare_disks;
|
|---|
| 694 | } else if (!strcmp(labelB, "parity-disk")) {
|
|---|
| 695 | disklist = &raidrec->parity_disks;
|
|---|
| 696 | } else if (!strcmp(labelB, "failed-disk")) {
|
|---|
| 697 | disklist = &raidrec->failed_disks;
|
|---|
| 698 | } else {
|
|---|
| 699 | disklist = NULL;
|
|---|
| 700 | }
|
|---|
| 701 | if (!disklist) {
|
|---|
| 702 | asprintf(&tmp,
|
|---|
| 703 | "Ignoring '%s %s' pair of disk %s", labelB, valueB,
|
|---|
| 704 | label);
|
|---|
| 705 | log_it(tmp);
|
|---|
| 706 | paranoid_free(tmp);
|
|---|
| 707 | } else {
|
|---|
| 708 | index = atoi(valueB);
|
|---|
| 709 | add_disk_to_raid_device(disklist, value, index);
|
|---|
| 710 | }
|
|---|
| 711 | paranoid_free(labelB);
|
|---|
| 712 | paranoid_free(valueB);
|
|---|
| 713 | } else {
|
|---|
| 714 | v = raidrec->additional_vars.entries;
|
|---|
| 715 | raidrec->additional_vars.el[v].label = label;
|
|---|
| 716 | raidrec->additional_vars.el[v].value = value;
|
|---|
| 717 | raidrec->additional_vars.entries = ++v;
|
|---|
| 718 | }
|
|---|
| 719 | }
|
|---|
| 720 | #endif
|
|---|
| 721 |
|
|---|
| 722 |
|
|---|
| 723 | /**
|
|---|
| 724 | * Save a disklist to a stream in raidtab format.
|
|---|
| 725 | * @param listname One of "raid-disk", "spare-disk", "parity-disk", or "failed-disk".
|
|---|
| 726 | * @param disklist The disklist to save to @p fout.
|
|---|
| 727 | * @param fout The stream to write to.
|
|---|
| 728 | */
|
|---|
| 729 | void
|
|---|
| 730 | save_disklist_to_file(char *listname,
|
|---|
| 731 | struct list_of_disks *disklist, FILE * fout)
|
|---|
| 732 | {
|
|---|
| 733 | int i;
|
|---|
| 734 |
|
|---|
| 735 | assert_string_is_neither_NULL_nor_zerolength(listname);
|
|---|
| 736 | assert(disklist != NULL);
|
|---|
| 737 | assert(fout != NULL);
|
|---|
| 738 |
|
|---|
| 739 | for (i = 0; i < disklist->entries; i++) {
|
|---|
| 740 | fprintf(fout, " device %s\n",
|
|---|
| 741 | disklist->el[i].device);
|
|---|
| 742 | fprintf(fout, " %-21s %d\n", listname, disklist->el[i].index);
|
|---|
| 743 | }
|
|---|
| 744 | }
|
|---|
| 745 |
|
|---|
| 746 |
|
|---|
| 747 | #ifdef __FreeBSD__
|
|---|
| 748 | /**
|
|---|
| 749 | * Add a new plex to a volume. The index of the plex will be <tt>v-\>plexes - 1</tt>.
|
|---|
| 750 | * @param v The volume to operate on.
|
|---|
| 751 | * @param raidlevel The RAID level of the new plex.
|
|---|
| 752 | * @param stripesize The stripe size (chunk size) of the new plex.
|
|---|
| 753 | */
|
|---|
| 754 | void add_plex_to_volume(struct vinum_volume *v, int raidlevel,
|
|---|
| 755 | int stripesize)
|
|---|
| 756 | {
|
|---|
| 757 | v->plex[v->plexes].raidlevel = raidlevel;
|
|---|
| 758 | v->plex[v->plexes].stripesize = stripesize;
|
|---|
| 759 | v->plex[v->plexes].subdisks = 0;
|
|---|
| 760 | ++v->plexes;
|
|---|
| 761 | }
|
|---|
| 762 |
|
|---|
| 763 | /**
|
|---|
| 764 | * For internal use only.
|
|---|
| 765 | */
|
|---|
| 766 | char **get_next_vinum_conf_line(FILE * f, int *argc)
|
|---|
| 767 | {
|
|---|
| 768 | int cnt = 0;
|
|---|
| 769 | char *argv[64];
|
|---|
| 770 | char **ap;
|
|---|
| 771 | char *line = NULL;
|
|---|
| 772 | size_t = 0;
|
|---|
| 773 | int lastpos = 0;
|
|---|
| 774 |
|
|---|
| 775 | getline(&line, &n, f);
|
|---|
| 776 | if (feof(f)) {
|
|---|
| 777 | log_it("[GNVCL] Uh... I reached the EOF.");
|
|---|
| 778 | return NULL;
|
|---|
| 779 | }
|
|---|
| 780 |
|
|---|
| 781 | for (ap = argv; (*ap = mr_strtok(line, " \t", &lastpos)) != NULL;)
|
|---|
| 782 | if (**ap != '\0') {
|
|---|
| 783 | if (++ap >= &argv[64])
|
|---|
| 784 | break;
|
|---|
| 785 | cnt++;
|
|---|
| 786 | }
|
|---|
| 787 |
|
|---|
| 788 | if (strchr(argv[cnt - 1], '\n')) {
|
|---|
| 789 | *(strchr(argv[cnt - 1], '\n')) = '\0';
|
|---|
| 790 | }
|
|---|
| 791 |
|
|---|
| 792 | if (argc)
|
|---|
| 793 | *argc = cnt;
|
|---|
| 794 | return argv;
|
|---|
| 795 | }
|
|---|
| 796 |
|
|---|
| 797 | /**
|
|---|
| 798 | * For internal use only.
|
|---|
| 799 | */
|
|---|
| 800 | char *get_option_val(int argc, char **argv, char *option)
|
|---|
| 801 | {
|
|---|
| 802 | int i;
|
|---|
| 803 | for (i = 0; i < (argc - 1); ++i) {
|
|---|
| 804 | if (!strcmp(argv[i], option)) {
|
|---|
| 805 | return argv[i + 1];
|
|---|
| 806 | }
|
|---|
| 807 | }
|
|---|
| 808 | return 0;
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | /**
|
|---|
| 812 | * For internal use only.
|
|---|
| 813 | */
|
|---|
| 814 | char **get_option_vals(int argc, char **argv, char *option, int nval)
|
|---|
| 815 | {
|
|---|
| 816 | int i, j;
|
|---|
| 817 | static char **ret;
|
|---|
| 818 | ret = (char **) malloc(nval * sizeof(char *));
|
|---|
| 819 | for (i = 0; i < (argc - nval); ++i) {
|
|---|
| 820 | if (!strcmp(argv[i], option)) {
|
|---|
| 821 | for (j = 0; j < nval; ++j) {
|
|---|
| 822 | ret[j] = (char *) malloc(strlen(argv[i + j + 1]) + 1);
|
|---|
| 823 | strcpy(ret[j], argv[i + j + 1]);
|
|---|
| 824 | }
|
|---|
| 825 | return ret;
|
|---|
| 826 | }
|
|---|
| 827 | }
|
|---|
| 828 | return 0;
|
|---|
| 829 | }
|
|---|
| 830 |
|
|---|
| 831 | /**
|
|---|
| 832 | * For internal use only.
|
|---|
| 833 | */
|
|---|
| 834 | bool get_option_state(int argc, char **argv, char *option)
|
|---|
| 835 | {
|
|---|
| 836 | int i;
|
|---|
| 837 | for (i = 0; i < argc; ++i)
|
|---|
| 838 | if (!strcmp(argv[i], option))
|
|---|
| 839 | return TRUE;
|
|---|
| 840 |
|
|---|
| 841 | return FALSE;
|
|---|
| 842 | }
|
|---|
| 843 |
|
|---|
| 844 | /**
|
|---|
| 845 | * Taken from Vinum source -- for internal use only.
|
|---|
| 846 | */
|
|---|
| 847 | long long size_spec(char *spec)
|
|---|
| 848 | {
|
|---|
| 849 | u_int64_t size;
|
|---|
| 850 | char *s;
|
|---|
| 851 | int sign = 1; /* -1 if negative */
|
|---|
| 852 |
|
|---|
| 853 | size = 0;
|
|---|
| 854 | if (spec != NULL) { /* we have a parameter */
|
|---|
| 855 | s = spec;
|
|---|
| 856 | if (*s == '-') { /* negative, */
|
|---|
| 857 | sign = -1;
|
|---|
| 858 | s++; /* skip */
|
|---|
| 859 | }
|
|---|
| 860 | if ((*s >= '0') && (*s <= '9')) { /* it's numeric */
|
|---|
| 861 | while ((*s >= '0') && (*s <= '9')) /* it's numeric */
|
|---|
| 862 | size = size * 10 + *s++ - '0'; /* convert it */
|
|---|
| 863 | switch (*s) {
|
|---|
| 864 | case '\0':
|
|---|
| 865 | return size * sign;
|
|---|
| 866 |
|
|---|
| 867 | case 'B':
|
|---|
| 868 | case 'b':
|
|---|
| 869 | case 'S':
|
|---|
| 870 | case 's':
|
|---|
| 871 | return size * sign * 512;
|
|---|
| 872 |
|
|---|
| 873 | case 'K':
|
|---|
| 874 | case 'k':
|
|---|
| 875 | return size * sign * 1024;
|
|---|
| 876 |
|
|---|
| 877 | case 'M':
|
|---|
| 878 | case 'm':
|
|---|
| 879 | return size * sign * 1024 * 1024;
|
|---|
| 880 |
|
|---|
| 881 | case 'G':
|
|---|
| 882 | case 'g':
|
|---|
| 883 | return size * sign * 1024 * 1024 * 1024;
|
|---|
| 884 |
|
|---|
| 885 | case 'T':
|
|---|
| 886 | case 't':
|
|---|
| 887 | log_it
|
|---|
| 888 | ("Ok, I'm scared... Someone did a TERABYTE+ size-spec");
|
|---|
| 889 | return size * sign * 1024 * 1024 * 1024 * 1024;
|
|---|
| 890 |
|
|---|
| 891 | case 'P':
|
|---|
| 892 | case 'p':
|
|---|
| 893 | log_it
|
|---|
| 894 | ("If I was scared last time, I'm freaked out now. Someone actually has a PETABYTE?!?!?!?!");
|
|---|
| 895 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024;
|
|---|
| 896 |
|
|---|
| 897 | case 'E':
|
|---|
| 898 | case 'e':
|
|---|
| 899 | log_it
|
|---|
| 900 | ("Okay, I'm REALLY freaked out. Who could devote a whole EXABYTE to their data?!?!");
|
|---|
| 901 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
|---|
| 902 | 1024;
|
|---|
| 903 |
|
|---|
| 904 | case 'Z':
|
|---|
| 905 | case 'z':
|
|---|
| 906 | log_it
|
|---|
| 907 | ("WHAT!?!? A ZETABYTE!?!? You've GOT to be kidding me!!!");
|
|---|
| 908 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
|---|
| 909 | 1024 * 1024;
|
|---|
| 910 |
|
|---|
| 911 | case 'Y':
|
|---|
| 912 | case 'y':
|
|---|
| 913 | log_it
|
|---|
| 914 | ("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?!?!");
|
|---|
| 915 | popup_and_OK
|
|---|
| 916 | (_("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 :-)"));
|
|---|
| 917 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
|---|
| 918 | 1024 * 1024 * 1024;
|
|---|
| 919 | }
|
|---|
| 920 | }
|
|---|
| 921 | }
|
|---|
| 922 | return size * sign;
|
|---|
| 923 | }
|
|---|
| 924 |
|
|---|
| 925 | #endif
|
|---|
| 926 |
|
|---|
| 927 |
|
|---|
| 928 |
|
|---|
| 929 |
|
|---|
| 930 | int parse_mdstat(struct raidlist_itself *raidlist, char *device_prefix) {
|
|---|
| 931 |
|
|---|
| 932 | const char delims[] = " ";
|
|---|
| 933 |
|
|---|
| 934 | FILE *fin;
|
|---|
| 935 | int res = 0, row, i, index_min;
|
|---|
| 936 | int lastpos = 0;
|
|---|
| 937 | size_t len = 0;
|
|---|
| 938 | char *token;
|
|---|
| 939 | char *string = NULL;
|
|---|
| 940 | char *pos;
|
|---|
| 941 | char type;
|
|---|
| 942 | char *strtmp;
|
|---|
| 943 |
|
|---|
| 944 | // open file
|
|---|
| 945 | if (!(fin = fopen(MDSTAT_FILE, "r"))) {
|
|---|
| 946 | log_msg(1, "Could not open %s.\n", MDSTAT_FILE);
|
|---|
| 947 | return 1;
|
|---|
| 948 | }
|
|---|
| 949 | // initialise record, build progress and row counters
|
|---|
| 950 | raidlist->entries = 0;
|
|---|
| 951 | raidlist->el[raidlist->entries].progress = 999;
|
|---|
| 952 | row = 1;
|
|---|
| 953 | // skip first output row - contains registered RAID levels
|
|---|
| 954 | res = getline(&string, &len, fin);
|
|---|
| 955 | // parse the rest
|
|---|
| 956 | while ( !feof_unlocked(fin) ) {
|
|---|
| 957 | res = getline(&string, &len, fin);
|
|---|
| 958 | if (res <= 0) break;
|
|---|
| 959 | // trim leading spaces
|
|---|
| 960 | pos = string;
|
|---|
| 961 | while (*pos == ' ') pos++;
|
|---|
| 962 | asprintf(&strtmp, pos);
|
|---|
| 963 | paranoid_alloc(string,strtmp);
|
|---|
| 964 | paranoid_free(strtmp);
|
|---|
| 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;
|
|---|
| 979 | }
|
|---|
| 980 | // tokenise string
|
|---|
| 981 | token = mr_strtok (string, delims, &lastpos);
|
|---|
| 982 | // get RAID device name
|
|---|
| 983 | asprintf(&strtmp,"%s%s", device_prefix, token);
|
|---|
| 984 | raidlist->el[raidlist->entries].raid_device = strtmp;
|
|---|
| 985 | paranoid_free(token);
|
|---|
| 986 | // skip ':' and status
|
|---|
| 987 | token = mr_strtok (string, delims, &lastpos);
|
|---|
| 988 | paranoid_free(token);
|
|---|
| 989 | token = mr_strtok (string, delims, &lastpos);
|
|---|
| 990 | if (!strcmp(token, "inactive")) {
|
|---|
| 991 | log_msg(1, "RAID device '%s' inactive.\n",
|
|---|
| 992 | raidlist->el[raidlist->entries].raid_device);
|
|---|
| 993 | paranoid_free(string);
|
|---|
| 994 | paranoid_free(token);
|
|---|
| 995 | return 1;
|
|---|
| 996 | }
|
|---|
| 997 | paranoid_free(token);
|
|---|
| 998 |
|
|---|
| 999 | // get RAID level
|
|---|
| 1000 | token = mr_strtok (string, delims, &lastpos);
|
|---|
| 1001 | if (!strcmp(token, "multipath")) {
|
|---|
| 1002 | raidlist->el[raidlist->entries].raid_level = -2;
|
|---|
| 1003 | } else if (!strcmp(token, "linear")) {
|
|---|
| 1004 | raidlist->el[raidlist->entries].raid_level = -1;
|
|---|
| 1005 | } else if (!strcmp(token, "raid0")) {
|
|---|
| 1006 | raidlist->el[raidlist->entries].raid_level = 0;
|
|---|
| 1007 | } else if (!strcmp(token, "raid1")) {
|
|---|
| 1008 | raidlist->el[raidlist->entries].raid_level = 1;
|
|---|
| 1009 | } else if (!strcmp(token, "raid4")) {
|
|---|
| 1010 | raidlist->el[raidlist->entries].raid_level = 4;
|
|---|
| 1011 | } else if (!strcmp(token, "raid5")) {
|
|---|
| 1012 | raidlist->el[raidlist->entries].raid_level = 5;
|
|---|
| 1013 | } else if (!strcmp(token, "raid6")) {
|
|---|
| 1014 | raidlist->el[raidlist->entries].raid_level = 6;
|
|---|
| 1015 | } else if (!strcmp(token, "raid10")) {
|
|---|
| 1016 | raidlist->el[raidlist->entries].raid_level = 10;
|
|---|
| 1017 | } else {
|
|---|
| 1018 | log_msg(1, "Unknown RAID level '%s'.\n", token);
|
|---|
| 1019 | paranoid_free(string);
|
|---|
| 1020 | paranoid_free(token);
|
|---|
| 1021 | return 1;
|
|---|
| 1022 | }
|
|---|
| 1023 | paranoid_free(token);
|
|---|
| 1024 |
|
|---|
| 1025 | // get RAID devices (type, index, device)
|
|---|
| 1026 | // Note: parity disk for RAID4 is last normal disk, there is no '(P)'
|
|---|
| 1027 | raidlist->el[raidlist->entries].data_disks.entries = 0;
|
|---|
| 1028 | raidlist->el[raidlist->entries].spare_disks.entries = 0;
|
|---|
| 1029 | raidlist->el[raidlist->entries].failed_disks.entries = 0;
|
|---|
| 1030 | while((token = mr_strtok (string, delims, &lastpos))) {
|
|---|
| 1031 | if ((pos = strstr(token, "("))) {
|
|---|
| 1032 | type = *(pos+1);
|
|---|
| 1033 | } else {
|
|---|
| 1034 | type = ' ';
|
|---|
| 1035 | }
|
|---|
| 1036 | pos = strstr(token, "[");
|
|---|
| 1037 | *pos = '\0';
|
|---|
| 1038 | switch(type) {
|
|---|
| 1039 | case ' ': // normal data disks
|
|---|
| 1040 | raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].index = atoi(pos + 1);
|
|---|
| 1041 | asprintf(&strtmp,"%s%s", device_prefix, token);
|
|---|
| 1042 | strcpy(raidlist->el[raidlist->entries].data_disks.el[raidlist->el[raidlist->entries].data_disks.entries].device, strtmp);
|
|---|
| 1043 | paranoid_free(strtmp);
|
|---|
| 1044 | raidlist->el[raidlist->entries].data_disks.entries++;
|
|---|
| 1045 | break;
|
|---|
| 1046 | case 'S': // spare disks
|
|---|
| 1047 | raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].index = atoi(pos + 1);
|
|---|
| 1048 | asprintf(&strtmp,"%s%s", device_prefix, token);
|
|---|
| 1049 | strcpy(raidlist->el[raidlist->entries].spare_disks.el[raidlist->el[raidlist->entries].spare_disks.entries].device, strtmp);
|
|---|
| 1050 | paranoid_free(strtmp);
|
|---|
| 1051 | raidlist->el[raidlist->entries].spare_disks.entries++;
|
|---|
| 1052 | break;
|
|---|
| 1053 | case 'F': // failed disks
|
|---|
| 1054 | raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].index = atoi(pos + 1);
|
|---|
| 1055 | asprintf(&strtmp,"%s%s", device_prefix, token);
|
|---|
| 1056 | strcpy(raidlist->el[raidlist->entries].failed_disks.el[raidlist->el[raidlist->entries].failed_disks.entries].device, strtmp);
|
|---|
| 1057 | paranoid_free(strtmp);
|
|---|
| 1058 | raidlist->el[raidlist->entries].failed_disks.entries++;
|
|---|
| 1059 | log_it("At least one failed disk found in RAID array.\n");
|
|---|
| 1060 | break;
|
|---|
| 1061 | default: // error
|
|---|
| 1062 | log_msg(1, "Unknown device type '%c'\n", type);
|
|---|
| 1063 | paranoid_free(string);
|
|---|
| 1064 | paranoid_free(token);
|
|---|
| 1065 | return 1;
|
|---|
| 1066 | break;
|
|---|
| 1067 | }
|
|---|
| 1068 | paranoid_free(token);
|
|---|
| 1069 | }
|
|---|
| 1070 |
|
|---|
| 1071 | // adjust index for each device so that it starts with 0 for every type
|
|---|
| 1072 | index_min = 99;
|
|---|
| 1073 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
|---|
| 1074 | if (raidlist->el[raidlist->entries].data_disks.el[i].index < index_min) {
|
|---|
| 1075 | index_min = raidlist->el[raidlist->entries].data_disks.el[i].index;
|
|---|
| 1076 | }
|
|---|
| 1077 | }
|
|---|
| 1078 | if (index_min > 0) {
|
|---|
| 1079 | for (i=0; i<raidlist->el[raidlist->entries].data_disks.entries;i++) {
|
|---|
| 1080 | raidlist->el[raidlist->entries].data_disks.el[i].index = raidlist->el[raidlist->entries].data_disks.el[i].index - index_min;
|
|---|
| 1081 | }
|
|---|
| 1082 | }
|
|---|
| 1083 | index_min = 99;
|
|---|
| 1084 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
|---|
| 1085 | if (raidlist->el[raidlist->entries].spare_disks.el[i].index < index_min) {
|
|---|
| 1086 | index_min = raidlist->el[raidlist->entries].spare_disks.el[i].index;
|
|---|
| 1087 | }
|
|---|
| 1088 | }
|
|---|
| 1089 | if (index_min > 0) {
|
|---|
| 1090 | for (i=0; i<raidlist->el[raidlist->entries].spare_disks.entries;i++) {
|
|---|
| 1091 | raidlist->el[raidlist->entries].spare_disks.el[i].index = raidlist->el[raidlist->entries].spare_disks.el[i].index - index_min;
|
|---|
| 1092 | }
|
|---|
| 1093 | }
|
|---|
| 1094 | index_min = 99;
|
|---|
| 1095 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
|---|
| 1096 | if (raidlist->el[raidlist->entries].failed_disks.el[i].index < index_min) {
|
|---|
| 1097 | index_min = raidlist->el[raidlist->entries].failed_disks.el[i].index;
|
|---|
| 1098 | }
|
|---|
| 1099 | }
|
|---|
| 1100 | if (index_min > 0) {
|
|---|
| 1101 | for (i=0; i<raidlist->el[raidlist->entries].failed_disks.entries;i++) {
|
|---|
| 1102 | raidlist->el[raidlist->entries].failed_disks.el[i].index = raidlist->el[raidlist->entries].failed_disks.el[i].index - index_min;
|
|---|
| 1103 | }
|
|---|
| 1104 | }
|
|---|
| 1105 | break;
|
|---|
| 1106 | case 2: // config information
|
|---|
| 1107 | // check for persistent super block
|
|---|
| 1108 | if (strcasestr(string, "super non-persistent")) {
|
|---|
| 1109 | raidlist->el[raidlist->entries].persistent_superblock = 0;
|
|---|
| 1110 | } else {
|
|---|
| 1111 | raidlist->el[raidlist->entries].persistent_superblock = 1;
|
|---|
| 1112 | }
|
|---|
| 1113 | // extract chunk size
|
|---|
| 1114 | if (!(pos = strcasestr(string, "k chunk"))) {
|
|---|
| 1115 | raidlist->el[raidlist->entries].chunk_size = -1;
|
|---|
| 1116 | } else {
|
|---|
| 1117 | while (*pos != ' ') {
|
|---|
| 1118 | pos -= 1;
|
|---|
| 1119 | if (pos < string) {
|
|---|
| 1120 | log_it("String underflow!\n");
|
|---|
| 1121 | paranoid_free(string);
|
|---|
| 1122 | return 1;
|
|---|
| 1123 | }
|
|---|
| 1124 | }
|
|---|
| 1125 | raidlist->el[raidlist->entries].chunk_size = atoi(pos + 1);
|
|---|
| 1126 | }
|
|---|
| 1127 | // extract parity if present
|
|---|
| 1128 | if ((pos = strcasestr(string, "algorithm"))) {
|
|---|
| 1129 | raidlist->el[raidlist->entries].parity = atoi(pos + 9);
|
|---|
| 1130 | } else {
|
|---|
| 1131 | raidlist->el[raidlist->entries].parity = -1;
|
|---|
| 1132 | }
|
|---|
| 1133 | break;
|
|---|
| 1134 | case 3: // optional build status information
|
|---|
| 1135 | if (!(pos = strchr(string, '\%'))) {
|
|---|
| 1136 | if (strcasestr(string, "delayed")) {
|
|---|
| 1137 | raidlist->el[raidlist->entries].progress = -1; // delayed (therefore, stuck at 0%)
|
|---|
| 1138 | } else {
|
|---|
| 1139 | raidlist->el[raidlist->entries].progress = 999; // not found
|
|---|
| 1140 | }
|
|---|
| 1141 | } else {
|
|---|
| 1142 | while (*pos != ' ') {
|
|---|
| 1143 | pos -= 1;
|
|---|
| 1144 | if (pos < string) {
|
|---|
| 1145 | printf("ERROR: String underflow!\n");
|
|---|
| 1146 | paranoid_free(string);
|
|---|
| 1147 | return 1;
|
|---|
| 1148 | }
|
|---|
| 1149 | }
|
|---|
| 1150 | raidlist->el[raidlist->entries].progress = atoi(pos);
|
|---|
| 1151 | }
|
|---|
| 1152 | break;
|
|---|
| 1153 | default: // error
|
|---|
| 1154 | log_msg(1, "Row %d should not occur in record!\n", row);
|
|---|
| 1155 | break;
|
|---|
| 1156 | }
|
|---|
| 1157 | row++;
|
|---|
| 1158 | }
|
|---|
| 1159 | }
|
|---|
| 1160 | // close file
|
|---|
| 1161 | fclose(fin);
|
|---|
| 1162 | // free string
|
|---|
| 1163 | paranoid_free(string);
|
|---|
| 1164 | // return success
|
|---|
| 1165 | return 0;
|
|---|
| 1166 |
|
|---|
| 1167 | }
|
|---|
| 1168 |
|
|---|
| 1169 |
|
|---|
| 1170 |
|
|---|
| 1171 |
|
|---|
| 1172 | int create_raidtab_from_mdstat(char *raidtab_fname)
|
|---|
| 1173 | {
|
|---|
| 1174 | struct raidlist_itself *raidlist;
|
|---|
| 1175 | int retval = 0;
|
|---|
| 1176 |
|
|---|
| 1177 | raidlist = malloc(sizeof(struct raidlist_itself));
|
|---|
| 1178 |
|
|---|
| 1179 | // FIXME: Prefix '/dev/' should really be dynamic!
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| 1180 | if (parse_mdstat(raidlist, "/dev/")) {
|
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| 1181 | log_to_screen("Sorry, cannot read %s", MDSTAT_FILE);
|
|---|
| 1182 | return (1);
|
|---|
| 1183 | }
|
|---|
| 1184 |
|
|---|
| 1185 | retval += save_raidlist_to_raidtab(raidlist, raidtab_fname);
|
|---|
| 1186 | return (retval);
|
|---|
| 1187 | }
|
|---|
| 1188 |
|
|---|
| 1189 |
|
|---|
| 1190 | /* @} - end of raidGroup */
|
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