[1] | 1 | /* libmondo-raid.c subroutines for handling RAID
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[128] | 2 | $Id: libmondo-raid.c 273 2006-01-03 15:09:12Z bcornec $
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[1] | 3 | .
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| 4 |
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| 5 |
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| 6 | 06/29
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| 7 | - added create_raidtab_from_mdstat()
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| 8 | - changed char[MAX_STR_LEN] to char*
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| 9 |
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| 10 | 10/21/2003
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| 11 | - get_next_raidtab_line() --- correctly handle multiple spaces
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| 12 | between label and value
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| 13 |
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| 14 | 07/03
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| 15 | - line 447 - changed assert()
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| 16 |
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| 17 | 05/08
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| 18 | - cleaned up some FreeBSd-specific stuff
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| 19 |
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| 20 | 05/05
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| 21 | - added Joshua Oreman's FreeBSD patches
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| 22 |
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| 23 | 04/25
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| 24 | - added a bunch of RAID utilities from mondorestore/mondo-restore.c
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| 25 |
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| 26 | 04/24/2003
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| 27 | - added some assert()'s and log_OS_error()'s
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| 28 |
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| 29 | 10/19/2002
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| 30 | - added some comments
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| 31 |
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| 32 | 07/24
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| 33 | - created
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| 34 | */
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| 35 |
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| 36 |
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| 37 | /**
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| 38 | * @file
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| 39 | * Functions for handling RAID (especially during restore).
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| 40 | */
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| 41 |
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| 42 | #include "my-stuff.h"
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| 43 | #include "mondostructures.h"
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| 44 | #include "libmondo-gui-EXT.h"
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| 45 | #include "libmondo-files-EXT.h"
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| 46 | #include "libmondo-tools-EXT.h"
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| 47 | #include "libmondo-string-EXT.h"
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| 48 | #include "lib-common-externs.h"
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| 49 | #include "libmondo-raid.h"
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| 50 |
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| 51 | #ifdef __FreeBSD__
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| 52 | /* Nonstandard library functions: */
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[128] | 53 | extern void errx(int exitval, const char *fmt, ...);
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| 54 | extern char *strsep(char **stringp, const char *delim);
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[1] | 55 | #endif
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| 56 |
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| 57 | /*@unused@*/
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[128] | 58 | //static char cvsid[] = "$Id: libmondo-raid.c 273 2006-01-03 15:09:12Z bcornec $";
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[1] | 59 |
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| 60 |
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| 61 | /**
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| 62 | * @addtogroup raidGroup
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| 63 | * @{
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| 64 | */
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| 65 | /**
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| 66 | * See if a particular RAID level is supported by the kernel.
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| 67 | * @param raidno The RAID level (-1 through 5) to check. -1 means "linear" under Linux and
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| 68 | * "concatenated" under FreeBSD. It's really the same thing, just different wording.
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| 69 | * @return TRUE if it's supported, FALSE if not.
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| 70 | */
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[128] | 71 | bool is_this_raid_personality_registered(int raidno)
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[1] | 72 | {
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| 73 | #ifdef __FreeBSD__
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[128] | 74 | return ((raidno == -1) || (raidno == 0) || (raidno == 1)
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| 75 | || (raidno == 5)) ? TRUE : FALSE;
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[1] | 76 | #else
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[128] | 77 | /*@ buffer ********************************************************** */
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| 78 | char *command;
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| 79 | int res;
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| 80 |
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| 81 | command = malloc(MAX_STR_LEN * 2);
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[273] | 82 | strcpy(command, "grep \" /proc/mdstat");
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[128] | 83 | if (raidno == -1) {
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| 84 | strcat(command, "linear");
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| 85 | } else {
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| 86 | sprintf(command + strlen(command), "raid%d", raidno);
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| 87 | }
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| 88 | strcat(command, "\" > /dev/null 2> /dev/null");
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| 89 | log_it("Is raid %d registered? Command = '%s'", raidno, command);
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| 90 | res = system(command);
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| 91 | paranoid_free(command);
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| 92 | if (res) {
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| 93 | return (FALSE);
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| 94 | } else {
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| 95 | return (TRUE);
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| 96 | }
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[1] | 97 | #endif
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| 98 | }
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| 99 |
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| 100 |
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| 101 |
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| 102 |
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| 103 |
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| 104 |
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| 105 | /**
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| 106 | * Search for @p device in @p disklist.
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| 107 | * @param disklist The disklist to search in.
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| 108 | * @param device The device to search for.
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| 109 | * @return The index number of @p device, or -1 if it does not exist.
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| 110 | */
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| 111 | int
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[128] | 112 | where_in_drivelist_is_drive(struct list_of_disks *disklist, char *device)
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[1] | 113 | {
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| 114 |
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[128] | 115 | /*@ int ************************************************************* */
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| 116 | int i = 0;
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[1] | 117 |
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[128] | 118 | assert(disklist != NULL);
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| 119 | assert_string_is_neither_NULL_nor_zerolength(device);
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[1] | 120 |
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[128] | 121 | for (i = 0; i < disklist->entries; i++) {
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| 122 | if (!strcmp(disklist->el[i].device, device)) {
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| 123 | break;
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| 124 | }
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[1] | 125 | }
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[128] | 126 | if (i == disklist->entries) {
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| 127 | return (-1);
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| 128 | } else {
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| 129 | return (i);
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| 130 | }
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[1] | 131 | }
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| 132 |
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| 133 |
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| 134 |
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| 135 |
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| 136 |
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| 137 |
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| 138 |
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| 139 |
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| 140 | /**
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| 141 | * Determine which RAID device is using a particular partition.
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| 142 | * @param raidlist The RAID information structure.
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| 143 | * @param device The partition to find out about.
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| 144 | * @return The index number of the RAID device using @p device, or -1 if there is none.
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| 145 | */
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| 146 | int
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[128] | 147 | which_raid_device_is_using_this_partition(struct raidlist_itself *raidlist,
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| 148 | char *device)
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[1] | 149 | {
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| 150 | #ifdef __FreeBSD__
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| 151 | // FreeBSD-specific version of which_raid_device_is_using_this_partition()
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[128] | 152 | /*@ int ********************************************************* */
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| 153 | int i = 0;
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[1] | 154 |
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[128] | 155 | for (i = 0; i < raidlist->entries; i++) {
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| 156 | bool thisone = FALSE;
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| 157 | int j, k, l;
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| 158 |
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| 159 | for (j = 0; j < raidlist->el[i].plexes; ++j) {
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| 160 | for (k = 0; k < raidlist->el[i].plex[j].subdisks; ++k) {
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| 161 | for (l = 0; l < raidlist->disks.entries; ++l) {
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| 162 | if (!strcmp(raidlist->disks.el[l].device,
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| 163 | device) &&
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| 164 | !strcmp(raidlist->el[i].plex[j].sd[k].which_device,
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| 165 | raidlist->disks.el[l].name))
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| 166 | thisone = TRUE;
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| 167 | }
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| 168 | }
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[1] | 169 | }
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[128] | 170 |
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| 171 | if (thisone) {
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| 172 | break;
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| 173 | }
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[1] | 174 | }
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[128] | 175 | if (i == raidlist->entries) {
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| 176 | return (-1);
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| 177 | } else {
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| 178 | return (i);
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[1] | 179 | }
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| 180 | }
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| 181 |
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| 182 | #else
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| 183 | // Linux-specific version of which_raid_device_is_using_this_partition()
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| 184 | // and one other function which FreeBSD doesn't use
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| 185 |
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[128] | 186 | int current_raiddev = 0;
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[1] | 187 |
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[128] | 188 | assert_string_is_neither_NULL_nor_zerolength(device);
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| 189 | assert(raidlist != NULL);
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[1] | 190 |
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[128] | 191 | for (current_raiddev = 0; current_raiddev < raidlist->entries;
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| 192 | current_raiddev++) {
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| 193 | if (where_in_drivelist_is_drive
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| 194 | (&raidlist->el[current_raiddev].data_disks, device) >= 0
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| 195 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 196 | spare_disks, device) >= 0
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| 197 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 198 | parity_disks, device) >= 0
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| 199 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
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| 200 | failed_disks, device) >= 0) {
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| 201 | break;
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| 202 | }
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[1] | 203 | }
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[128] | 204 | if (current_raiddev == raidlist->entries) {
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| 205 | return (-1);
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| 206 | } else {
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| 207 | return (current_raiddev);
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| 208 | }
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[1] | 209 | }
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| 210 |
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| 211 | /**
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| 212 | * Write an @c int variable to a list of RAID variables.
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| 213 | * @param raidrec The RAID device record to write to.
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| 214 | * @param lino The variable index number to modify/create.
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| 215 | * @param label The label to write.
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| 216 | * @param value The value to write.
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| 217 | */
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| 218 | void
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[128] | 219 | write_variableINT_to_raid_var_line(struct raid_device_record *raidrec,
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| 220 | int lino, char *label, int value)
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[1] | 221 | {
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[128] | 222 | /*@ buffers ***************************************************** */
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| 223 | char *sz_value;
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[1] | 224 |
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[128] | 225 | malloc_string(sz_value);
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| 226 | assert(raidrec != NULL);
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| 227 | assert(label != NULL);
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[1] | 228 |
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[128] | 229 | sprintf(sz_value, "%d", value);
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| 230 | strcpy(raidrec->additional_vars.el[lino].label, label);
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| 231 | strcpy(raidrec->additional_vars.el[lino].value, sz_value);
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| 232 | paranoid_free(sz_value);
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[1] | 233 | }
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| 234 | #endif
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| 235 |
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| 236 |
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| 237 |
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| 238 |
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| 239 |
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| 240 |
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| 241 |
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| 242 |
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| 243 | #ifdef __FreeBSD__
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| 244 | /**
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| 245 | * Add a disk to a RAID plex.
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| 246 | * @param p The plex to add the device to.
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| 247 | * @param device_to_add The device to add to @p p.
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| 248 | */
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[128] | 249 | void add_disk_to_raid_device(struct vinum_plex *p, char *device_to_add)
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[1] | 250 | {
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[128] | 251 | strcpy(p->sd[p->subdisks].which_device, device_to_add);
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| 252 | ++p->subdisks;
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[1] | 253 |
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| 254 | }
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| 255 | #else
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| 256 | /**
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| 257 | * Add a disk to a RAID device.
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| 258 | * @param disklist The disklist to add the device to.
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| 259 | * @param device_to_add The device to add to @p disklist.
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| 260 | * @param index The index number of the disklist entry we're creating.
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| 261 | */
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[128] | 262 | void add_disk_to_raid_device(struct list_of_disks *disklist,
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| 263 | char *device_to_add, int index)
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[1] | 264 | {
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[128] | 265 | int items;
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[1] | 266 |
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[128] | 267 | assert(disklist != NULL);
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| 268 | assert_string_is_neither_NULL_nor_zerolength(device_to_add);
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| 269 | items = disklist->entries;
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| 270 | strcpy(disklist->el[items].device, device_to_add);
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| 271 | disklist->el[items].index = index;
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| 272 | items++;
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| 273 | disklist->entries = items;
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[1] | 274 | }
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| 275 | #endif
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| 276 |
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| 277 |
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| 278 | /**
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| 279 | * Save the additional RAID variables to a stream.
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| 280 | * @param vars The RAID variable list to save.
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| 281 | * @param fout The FILE pointer to save them to.
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| 282 | */
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[128] | 283 | void
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| 284 | save_additional_vars_to_file(struct additional_raid_variables *vars,
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| 285 | FILE * fout)
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[1] | 286 | {
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[128] | 287 | int i;
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[1] | 288 |
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[128] | 289 | assert(vars != NULL);
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| 290 | assert(fout != NULL);
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[1] | 291 |
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[128] | 292 | for (i = 0; i < vars->entries; i++) {
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| 293 | fprintf(fout, " %-21s %s\n", vars->el[i].label,
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| 294 | vars->el[i].value);
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| 295 | }
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[1] | 296 | }
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| 297 |
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| 298 |
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| 299 | /**
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| 300 | * Save a raidlist structure to disk in raidtab format.
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| 301 | * @param raidlist The raidlist to save.
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| 302 | * @param fname The file to save it to.
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| 303 | * @return 0, always.
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| 304 | * @bug Return value is redundant.
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| 305 | */
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[128] | 306 | int save_raidlist_to_raidtab(struct raidlist_itself *raidlist, char *fname)
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[1] | 307 | {
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[128] | 308 | FILE *fout;
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| 309 | int current_raid_device;
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[1] | 310 | #ifdef __FreeBSD__
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[128] | 311 | int i;
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[1] | 312 | #else
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| 313 | // Linux
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| 314 | #endif
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| 315 |
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[128] | 316 | assert(raidlist != NULL);
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| 317 | assert_string_is_neither_NULL_nor_zerolength(fname);
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[1] | 318 |
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[128] | 319 | if (raidlist->entries <= 0) {
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| 320 | unlink(fname);
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| 321 | log_it("Deleting raidtab (no RAID devs anyway)");
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| 322 | return (0);
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| 323 | }
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| 324 | if (!(fout = fopen(fname, "w"))) {
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| 325 | log_OS_error("Failed to save raidlist");
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| 326 | return (1);
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| 327 | }
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| 328 | fprintf(fout, "# Generated by Mondo Rescue\n");
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[1] | 329 |
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| 330 | #ifdef __FreeBSD__
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[128] | 331 | for (i = 0; i < raidlist->disks.entries; ++i) {
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| 332 | fprintf(fout, "drive %s device %s\n", raidlist->disks.el[i].name,
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| 333 | raidlist->disks.el[i].device);
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| 334 | }
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| 335 | for (i = 0; i < (raidlist->spares.entries); ++i) {
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| 336 | fprintf(fout, "drive %s device %s hotspare\n",
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| 337 | raidlist->spares.el[i].name,
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| 338 | raidlist->spares.el[i].device);
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| 339 | }
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[1] | 340 | #endif
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| 341 |
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[128] | 342 | for (current_raid_device = 0; current_raid_device < raidlist->entries;
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| 343 | current_raid_device++) {
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| 344 | save_raidrec_to_file(&raidlist->el[current_raid_device], fout);
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| 345 | }
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| 346 | paranoid_fclose(fout);
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| 347 | return (0);
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[1] | 348 | }
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| 349 |
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| 350 |
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| 351 | /**
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| 352 | * Save an individual RAID device record to a stream.
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| 353 | * @param raidrec The RAID device record to save.
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| 354 | * @param fout The stream to save it to.
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| 355 | */
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[128] | 356 | void save_raidrec_to_file(struct
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[1] | 357 | #ifdef __FreeBSD__
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[128] | 358 | vinum_volume
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[1] | 359 | #else
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[128] | 360 | raid_device_record
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[1] | 361 | #endif
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[128] | 362 | * raidrec, FILE * fout)
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[1] | 363 | {
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| 364 | #ifdef __FreeBSD__
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[128] | 365 | int i, j;
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[1] | 366 |
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[128] | 367 | fprintf(fout, "\nvolume %s\n", raidrec->volname);
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| 368 | for (i = 0; i < raidrec->plexes; ++i) {
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| 369 | char org[24];
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| 370 | switch (raidrec->plex[i].raidlevel) {
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| 371 | case -1:
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| 372 | strcpy(org, "concat");
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| 373 | break;
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| 374 | case 0:
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| 375 | strcpy(org, "striped");
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| 376 | break;
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| 377 | case 5:
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| 378 | strcpy(org, "raid5");
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| 379 | break;
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| 380 | }
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| 381 | fprintf(fout, " plex org %s", org);
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| 382 | if (raidrec->plex[i].raidlevel != -1) {
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| 383 | fprintf(fout, " %ik", raidrec->plex[i].stripesize);
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| 384 | }
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| 385 | fprintf(fout, "\n");
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| 386 |
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| 387 | for (j = 0; j < raidrec->plex[i].subdisks; ++j) {
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| 388 | fprintf(fout, " sd drive %s size 0\n",
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| 389 | raidrec->plex[i].sd[j].which_device);
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| 390 | }
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[1] | 391 | }
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[128] | 392 | #else
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| 393 | assert(raidrec != NULL);
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| 394 | assert(fout != NULL);
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| 395 |
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| 396 | fprintf(fout, "raiddev %s\n", raidrec->raid_device);
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| 397 | if (raidrec->raid_level == -1) {
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| 398 | fprintf(fout, " raid-level linear\n");
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| 399 | } else {
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| 400 | fprintf(fout, " raid-level %d\n",
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| 401 | raidrec->raid_level);
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[1] | 402 | }
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[128] | 403 | fprintf(fout, " chunk-size %d\n", raidrec->chunk_size);
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| 404 | fprintf(fout, " nr-raid-disks %d\n",
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| 405 | raidrec->data_disks.entries);
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| 406 | fprintf(fout, " nr-spare-disks %d\n",
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| 407 | raidrec->spare_disks.entries);
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| 408 | if (raidrec->parity_disks.entries > 0) {
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| 409 | fprintf(fout, " nr-parity-disks %d\n",
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| 410 | raidrec->parity_disks.entries);
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[1] | 411 | }
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| 412 |
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[128] | 413 | fprintf(fout, " persistent-superblock %d\n",
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| 414 | raidrec->persistent_superblock);
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| 415 | save_additional_vars_to_file(&raidrec->additional_vars, fout);
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| 416 | fprintf(fout, "\n");
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| 417 | save_disklist_to_file("raid-disk", &raidrec->data_disks, fout);
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| 418 | save_disklist_to_file("spare-disk", &raidrec->spare_disks, fout);
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| 419 | save_disklist_to_file("parity-disk", &raidrec->parity_disks, fout);
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| 420 | save_disklist_to_file("failed-disk", &raidrec->failed_disks, fout);
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| 421 | fprintf(fout, "\n");
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[1] | 422 | #endif
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| 423 | }
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| 424 |
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| 425 | /**
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| 426 | * Retrieve the next line from a raidtab stream.
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| 427 | * @param fin The file to read the input from.
|
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| 428 | * @param label Where to put the line's label.
|
---|
| 429 | * @param value Where to put the line's value.
|
---|
| 430 | * @return 0 if the line was read and stored successfully, 1 if we're at end of file.
|
---|
| 431 | */
|
---|
[128] | 432 | int get_next_raidtab_line(FILE * fin, char *label, char *value)
|
---|
[1] | 433 | {
|
---|
[128] | 434 | char *incoming;
|
---|
| 435 | char *p;
|
---|
[1] | 436 |
|
---|
[128] | 437 | malloc_string(incoming);
|
---|
| 438 | assert(fin != NULL);
|
---|
| 439 | assert(label != NULL);
|
---|
| 440 | assert(value != NULL);
|
---|
[1] | 441 |
|
---|
[128] | 442 | label[0] = value[0] = '\0';
|
---|
| 443 | if (feof(fin)) {
|
---|
| 444 | paranoid_free(incoming);
|
---|
| 445 | return (1);
|
---|
[1] | 446 | }
|
---|
[128] | 447 | for (fgets(incoming, MAX_STR_LEN - 1, fin); !feof(fin);
|
---|
| 448 | fgets(incoming, MAX_STR_LEN - 1, fin)) {
|
---|
| 449 | strip_spaces(incoming);
|
---|
| 450 | p = strchr(incoming, ' ');
|
---|
| 451 | if (strlen(incoming) < 3 || incoming[0] == '#' || !p) {
|
---|
| 452 | continue;
|
---|
| 453 | }
|
---|
| 454 | *(p++) = '\0';
|
---|
| 455 | while (*p == ' ') {
|
---|
| 456 | p++;
|
---|
| 457 | }
|
---|
| 458 | strcpy(label, incoming);
|
---|
| 459 | strcpy(value, p);
|
---|
| 460 | paranoid_free(incoming);
|
---|
| 461 | return (0);
|
---|
| 462 | }
|
---|
| 463 | return (1);
|
---|
[1] | 464 | }
|
---|
| 465 |
|
---|
| 466 |
|
---|
| 467 |
|
---|
| 468 | /**
|
---|
| 469 | * Load a raidtab file into a raidlist structure.
|
---|
| 470 | * @param raidlist The raidlist to fill.
|
---|
| 471 | * @param fname The file to read from.
|
---|
| 472 | * @return 0 for success, 1 for failure.
|
---|
| 473 | */
|
---|
| 474 | #ifdef __FreeBSD__
|
---|
[128] | 475 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 476 | char *fname)
|
---|
[1] | 477 | {
|
---|
[128] | 478 | FILE *fin;
|
---|
| 479 | char *tmp;
|
---|
| 480 | int items;
|
---|
[1] | 481 |
|
---|
[128] | 482 | malloc_string(tmp);
|
---|
| 483 | raidlist->spares.entries = 0;
|
---|
| 484 | raidlist->disks.entries = 0;
|
---|
| 485 | if (length_of_file(fname) < 5) {
|
---|
| 486 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 487 | raidlist->entries = 0;
|
---|
| 488 | paranoid_free(tmp);
|
---|
| 489 | return (0);
|
---|
[1] | 490 | }
|
---|
[128] | 491 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 492 | log_it("Cannot open raidtab");
|
---|
| 493 | paranoid_free(tmp);
|
---|
| 494 | return (1);
|
---|
[1] | 495 | }
|
---|
[128] | 496 | items = 0;
|
---|
| 497 | log_it("Loading raidtab...");
|
---|
| 498 | while (!feof(fin)) {
|
---|
| 499 | int argc;
|
---|
| 500 | char **argv = get_next_vinum_conf_line(fin, &argc);
|
---|
| 501 | if (!argv)
|
---|
| 502 | break;
|
---|
| 503 | if (!strcmp(argv[0], "drive")) {
|
---|
| 504 | char *drivename, *devname;
|
---|
| 505 | if (argc < 4)
|
---|
| 506 | continue;
|
---|
| 507 | drivename = argv[1];
|
---|
| 508 | devname = get_option_val(argc, argv, "device");
|
---|
| 509 | if (!devname)
|
---|
| 510 | continue;
|
---|
[1] | 511 |
|
---|
[128] | 512 | if (get_option_state(argc, argv, "hotspare")) {
|
---|
| 513 | strcpy(raidlist->spares.el[raidlist->spares.entries].name,
|
---|
| 514 | drivename);
|
---|
| 515 | strcpy(raidlist->spares.el[raidlist->spares.entries].
|
---|
| 516 | device, devname);
|
---|
| 517 | raidlist->spares.el[raidlist->spares.entries].index =
|
---|
| 518 | raidlist->disks.entries;
|
---|
| 519 | raidlist->spares.entries++;
|
---|
| 520 | } else {
|
---|
| 521 | strcpy(raidlist->disks.el[raidlist->disks.entries].name,
|
---|
| 522 | drivename);
|
---|
| 523 | strcpy(raidlist->disks.el[raidlist->disks.entries].device,
|
---|
| 524 | devname);
|
---|
| 525 | raidlist->disks.el[raidlist->disks.entries].index =
|
---|
| 526 | raidlist->disks.entries;
|
---|
| 527 | raidlist->disks.entries++;
|
---|
| 528 | }
|
---|
| 529 | } else if (!strcmp(argv[0], "volume")) {
|
---|
| 530 | char *volname;
|
---|
| 531 | if (argc < 2)
|
---|
| 532 | continue;
|
---|
| 533 | volname = argv[1];
|
---|
| 534 | strcpy(raidlist->el[raidlist->entries].volname, volname);
|
---|
| 535 | raidlist->el[raidlist->entries].plexes = 0;
|
---|
| 536 | raidlist->entries++;
|
---|
| 537 | } else if (!strcmp(argv[0], "plex")) {
|
---|
| 538 | int raidlevel, stripesize;
|
---|
| 539 | char *org = 0;
|
---|
| 540 | char **tmp = 0;
|
---|
| 541 | if (argc < 3)
|
---|
| 542 | continue;
|
---|
| 543 | org = get_option_val(argc, argv, "org");
|
---|
| 544 | if (!org)
|
---|
| 545 | continue;
|
---|
| 546 | if (strcmp(org, "concat")) {
|
---|
| 547 | tmp = get_option_vals(argc, argv, "org", 2);
|
---|
| 548 | if (tmp && tmp[1]) {
|
---|
| 549 | stripesize = (int) (size_spec(tmp[1]) / 1024);
|
---|
| 550 | } else
|
---|
| 551 | stripesize = 279;
|
---|
| 552 | } else
|
---|
| 553 | stripesize = 0;
|
---|
[1] | 554 |
|
---|
[128] | 555 | if (!strcmp(org, "concat")) {
|
---|
| 556 | raidlevel = -1;
|
---|
| 557 | } else if (!strcmp(org, "striped")) {
|
---|
| 558 | raidlevel = 0;
|
---|
| 559 | } else if (!strcmp(org, "raid5")) {
|
---|
| 560 | raidlevel = 5;
|
---|
| 561 | } else
|
---|
| 562 | continue;
|
---|
| 563 |
|
---|
| 564 | raidlist->el[raidlist->entries - 1].plex
|
---|
| 565 | [raidlist->el[raidlist->entries - 1].plexes].raidlevel =
|
---|
| 566 | raidlevel;
|
---|
| 567 | raidlist->el[raidlist->entries -
|
---|
| 568 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 569 | 1].plexes].stripesize =
|
---|
| 570 | stripesize;
|
---|
| 571 | raidlist->el[raidlist->entries -
|
---|
| 572 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 573 | 1].plexes].subdisks = 0;
|
---|
| 574 | raidlist->el[raidlist->entries - 1].plexes++;
|
---|
| 575 | } else if ((!strcmp(argv[0], "sd"))
|
---|
| 576 | || (!strcmp(argv[0], "subdisk"))) {
|
---|
| 577 | char *drive = 0;
|
---|
| 578 | if (argc < 3)
|
---|
| 579 | continue;
|
---|
| 580 | drive = get_option_val(argc, argv, "drive");
|
---|
| 581 | if (!drive)
|
---|
| 582 | continue;
|
---|
| 583 |
|
---|
| 584 | strcpy(raidlist->el[raidlist->entries - 1].plex
|
---|
| 585 | [raidlist->el[raidlist->entries - 1].plexes - 1].sd
|
---|
| 586 | [raidlist->el[raidlist->entries - 1].plex
|
---|
| 587 | [raidlist->el[raidlist->entries - 1].plexes -
|
---|
| 588 | 1].subdisks].which_device, drive);
|
---|
| 589 | raidlist->el[raidlist->entries -
|
---|
| 590 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 591 | 1].plexes - 1].subdisks++;
|
---|
| 592 | }
|
---|
[1] | 593 | }
|
---|
[128] | 594 | fclose(fin);
|
---|
| 595 | log_it("Raidtab loaded successfully.");
|
---|
| 596 | sprintf(tmp, "%d RAID devices in raidtab", raidlist->entries);
|
---|
| 597 | log_it(tmp);
|
---|
| 598 | paranoid_free(tmp);
|
---|
| 599 | return (0);
|
---|
[1] | 600 | }
|
---|
| 601 |
|
---|
| 602 |
|
---|
| 603 | #else
|
---|
| 604 |
|
---|
[128] | 605 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 606 | char *fname)
|
---|
[1] | 607 | {
|
---|
[128] | 608 | FILE *fin;
|
---|
| 609 | char *tmp;
|
---|
| 610 | char *label;
|
---|
| 611 | char *value;
|
---|
| 612 | int items;
|
---|
| 613 | int v;
|
---|
[1] | 614 |
|
---|
[128] | 615 | malloc_string(tmp);
|
---|
| 616 | malloc_string(label);
|
---|
| 617 | malloc_string(value);
|
---|
| 618 | assert(raidlist != NULL);
|
---|
| 619 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
[1] | 620 |
|
---|
[128] | 621 | if (length_of_file(fname) < 5) {
|
---|
| 622 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 623 | raidlist->entries = 0;
|
---|
| 624 | paranoid_free(tmp);
|
---|
| 625 | paranoid_free(label);
|
---|
| 626 | paranoid_free(value);
|
---|
| 627 | return (0);
|
---|
[1] | 628 | }
|
---|
[128] | 629 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 630 | log_it("Cannot open raidtab");
|
---|
| 631 | paranoid_free(tmp);
|
---|
| 632 | paranoid_free(label);
|
---|
| 633 | paranoid_free(value);
|
---|
| 634 | return (1);
|
---|
[1] | 635 | }
|
---|
[128] | 636 | items = 0;
|
---|
| 637 | log_it("Loading raidtab...");
|
---|
| 638 | get_next_raidtab_line(fin, label, value);
|
---|
| 639 | while (!feof(fin)) {
|
---|
| 640 | log_msg(1, "Looking for raid record #%d", items);
|
---|
| 641 | initialize_raidrec(&raidlist->el[items]);
|
---|
| 642 | v = 0;
|
---|
| 643 | /* find the 'raiddev' entry, indicating the start of the block of info */
|
---|
| 644 | while (!feof(fin) && strcmp(label, "raiddev")) {
|
---|
| 645 | strcpy(raidlist->el[items].additional_vars.el[v].label, label);
|
---|
| 646 | strcpy(raidlist->el[items].additional_vars.el[v].value, value);
|
---|
| 647 | v++;
|
---|
| 648 | get_next_raidtab_line(fin, label, value);
|
---|
| 649 | log_it(tmp);
|
---|
| 650 | }
|
---|
| 651 | raidlist->el[items].additional_vars.entries = v;
|
---|
| 652 | if (feof(fin)) {
|
---|
| 653 | log_msg(1, "No more records.");
|
---|
| 654 | continue;
|
---|
| 655 | }
|
---|
| 656 | log_msg(2, "Record #%d (%s) found", items, value);
|
---|
| 657 | strcpy(raidlist->el[items].raid_device, value);
|
---|
| 658 | for (get_next_raidtab_line(fin, label, value);
|
---|
| 659 | !feof(fin) && strcmp(label, "raiddev");
|
---|
| 660 | get_next_raidtab_line(fin, label, value)) {
|
---|
| 661 | process_raidtab_line(fin, &raidlist->el[items], label, value);
|
---|
| 662 | }
|
---|
| 663 | items++;
|
---|
[1] | 664 | }
|
---|
[128] | 665 | paranoid_fclose(fin);
|
---|
| 666 | raidlist->entries = items;
|
---|
| 667 | log_msg(1, "Raidtab loaded successfully.");
|
---|
| 668 | log_msg(1, "%d RAID devices in raidtab", items);
|
---|
| 669 | paranoid_free(tmp);
|
---|
| 670 | paranoid_free(label);
|
---|
| 671 | paranoid_free(value);
|
---|
| 672 | return (0);
|
---|
[1] | 673 | }
|
---|
| 674 | #endif
|
---|
| 675 |
|
---|
| 676 |
|
---|
| 677 |
|
---|
| 678 |
|
---|
| 679 |
|
---|
| 680 |
|
---|
| 681 |
|
---|
| 682 |
|
---|
| 683 | #ifndef __FreeBSD__
|
---|
| 684 | /**
|
---|
| 685 | * Process a single line from the raidtab and store the results into @p raidrec.
|
---|
| 686 | * @param fin The stream to read the line from.
|
---|
| 687 | * @param raidrec The RAID device record to update.
|
---|
| 688 | * @param label Where to put the label processed.
|
---|
| 689 | * @param value Where to put the value processed.
|
---|
| 690 | */
|
---|
| 691 | void
|
---|
[128] | 692 | process_raidtab_line(FILE * fin,
|
---|
| 693 | struct raid_device_record *raidrec,
|
---|
| 694 | char *label, char *value)
|
---|
[1] | 695 | {
|
---|
| 696 |
|
---|
[128] | 697 | /*@ add mallocs * */
|
---|
| 698 | char *tmp;
|
---|
| 699 | char *labelB;
|
---|
| 700 | char *valueB;
|
---|
[1] | 701 |
|
---|
[128] | 702 | struct list_of_disks *disklist;
|
---|
| 703 | int index;
|
---|
| 704 | int v;
|
---|
[1] | 705 |
|
---|
[128] | 706 | malloc_string(tmp);
|
---|
| 707 | malloc_string(labelB);
|
---|
| 708 | malloc_string(valueB);
|
---|
| 709 | assert(fin != NULL);
|
---|
| 710 | assert(raidrec != NULL);
|
---|
| 711 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
| 712 | assert(value != NULL);
|
---|
[1] | 713 |
|
---|
[128] | 714 | if (!strcmp(label, "raid-level")) {
|
---|
| 715 | if (!strcmp(value, "linear")) {
|
---|
| 716 | raidrec->raid_level = -1;
|
---|
| 717 | } else {
|
---|
| 718 | raidrec->raid_level = atoi(value);
|
---|
| 719 | }
|
---|
| 720 | } else if (!strcmp(label, "nr-raid-disks")) { /* ignore it */
|
---|
| 721 | } else if (!strcmp(label, "nr-spare-disks")) { /* ignore it */
|
---|
| 722 | } else if (!strcmp(label, "nr-parity-disks")) { /* ignore it */
|
---|
| 723 | } else if (!strcmp(label, "nr-failed-disks")) { /* ignore it */
|
---|
| 724 | } else if (!strcmp(label, "persistent-superblock")) {
|
---|
| 725 | raidrec->persistent_superblock = atoi(value);
|
---|
| 726 | } else if (!strcmp(label, "chunk-size")) {
|
---|
| 727 | raidrec->chunk_size = atoi(value);
|
---|
| 728 | } else if (!strcmp(label, "device")) {
|
---|
| 729 | get_next_raidtab_line(fin, labelB, valueB);
|
---|
| 730 | if (!strcmp(labelB, "raid-disk")) {
|
---|
| 731 | disklist = &raidrec->data_disks;
|
---|
| 732 | } else if (!strcmp(labelB, "spare-disk")) {
|
---|
| 733 | disklist = &raidrec->spare_disks;
|
---|
| 734 | } else if (!strcmp(labelB, "parity-disk")) {
|
---|
| 735 | disklist = &raidrec->parity_disks;
|
---|
| 736 | } else if (!strcmp(labelB, "failed-disk")) {
|
---|
| 737 | disklist = &raidrec->failed_disks;
|
---|
| 738 | } else {
|
---|
| 739 | disklist = NULL;
|
---|
| 740 | }
|
---|
| 741 | if (!disklist) {
|
---|
| 742 | sprintf(tmp,
|
---|
| 743 | "Ignoring '%s %s' pair of disk %s", labelB, valueB,
|
---|
| 744 | label);
|
---|
| 745 | log_it(tmp);
|
---|
| 746 | } else {
|
---|
| 747 | index = atoi(valueB);
|
---|
| 748 | add_disk_to_raid_device(disklist, value, index);
|
---|
| 749 | }
|
---|
| 750 | } else {
|
---|
| 751 | v = raidrec->additional_vars.entries;
|
---|
| 752 | strcpy(raidrec->additional_vars.el[v].label, label);
|
---|
| 753 | strcpy(raidrec->additional_vars.el[v].value, value);
|
---|
| 754 | raidrec->additional_vars.entries = ++v;
|
---|
[1] | 755 | }
|
---|
[128] | 756 | paranoid_free(tmp);
|
---|
| 757 | paranoid_free(labelB);
|
---|
| 758 | paranoid_free(valueB);
|
---|
[1] | 759 | }
|
---|
| 760 | #endif
|
---|
| 761 |
|
---|
| 762 |
|
---|
| 763 | /**
|
---|
| 764 | * Save a disklist to a stream in raidtab format.
|
---|
| 765 | * @param listname One of "raid-disk", "spare-disk", "parity-disk", or "failed-disk".
|
---|
| 766 | * @param disklist The disklist to save to @p fout.
|
---|
| 767 | * @param fout The stream to write to.
|
---|
| 768 | */
|
---|
[128] | 769 | void
|
---|
| 770 | save_disklist_to_file(char *listname,
|
---|
| 771 | struct list_of_disks *disklist, FILE * fout)
|
---|
[1] | 772 | {
|
---|
[128] | 773 | int i;
|
---|
[1] | 774 |
|
---|
[128] | 775 | assert_string_is_neither_NULL_nor_zerolength(listname);
|
---|
| 776 | assert(disklist != NULL);
|
---|
| 777 | assert(fout != NULL);
|
---|
[1] | 778 |
|
---|
[128] | 779 | for (i = 0; i < disklist->entries; i++) {
|
---|
| 780 | fprintf(fout, " device %s\n",
|
---|
| 781 | disklist->el[i].device);
|
---|
| 782 | fprintf(fout, " %-21s %d\n", listname, disklist->el[i].index);
|
---|
| 783 | }
|
---|
[1] | 784 | }
|
---|
| 785 |
|
---|
| 786 |
|
---|
| 787 |
|
---|
| 788 |
|
---|
| 789 |
|
---|
| 790 | #ifdef __FreeBSD__
|
---|
| 791 | /**
|
---|
| 792 | * Add a new plex to a volume. The index of the plex will be <tt>v-\>plexes - 1</tt>.
|
---|
| 793 | * @param v The volume to operate on.
|
---|
| 794 | * @param raidlevel The RAID level of the new plex.
|
---|
| 795 | * @param stripesize The stripe size (chunk size) of the new plex.
|
---|
| 796 | */
|
---|
[128] | 797 | void add_plex_to_volume(struct vinum_volume *v, int raidlevel,
|
---|
| 798 | int stripesize)
|
---|
[1] | 799 | {
|
---|
[128] | 800 | v->plex[v->plexes].raidlevel = raidlevel;
|
---|
| 801 | v->plex[v->plexes].stripesize = stripesize;
|
---|
| 802 | v->plex[v->plexes].subdisks = 0;
|
---|
| 803 | ++v->plexes;
|
---|
[1] | 804 | }
|
---|
| 805 |
|
---|
| 806 | /**
|
---|
| 807 | * For internal use only.
|
---|
| 808 | */
|
---|
[128] | 809 | char **get_next_vinum_conf_line(FILE * f, int *argc)
|
---|
[1] | 810 | {
|
---|
[128] | 811 | int cnt = 0;
|
---|
| 812 | static char *argv[64];
|
---|
| 813 | char **ap;
|
---|
| 814 | char *line = (char *) malloc(MAX_STR_LEN);
|
---|
| 815 | if (!line)
|
---|
| 816 | errx(1,
|
---|
| 817 | "unable to allocate %i bytes of memory for `char *line' at %s:%i",
|
---|
| 818 | MAX_STR_LEN, __FILE__, __LINE__);
|
---|
| 819 | (void) fgets(line, MAX_STR_LEN, f);
|
---|
| 820 | if (feof(f)) {
|
---|
| 821 | log_it("[GNVCL] Uh... I reached the EOF.");
|
---|
| 822 | return 0;
|
---|
[1] | 823 | }
|
---|
| 824 |
|
---|
[128] | 825 | for (ap = argv; (*ap = strsep(&line, " \t")) != NULL;)
|
---|
| 826 | if (**ap != '\0') {
|
---|
| 827 | if (++ap >= &argv[64])
|
---|
| 828 | break;
|
---|
| 829 | cnt++;
|
---|
| 830 | }
|
---|
[1] | 831 |
|
---|
[128] | 832 | if (strchr(argv[cnt - 1], '\n')) {
|
---|
| 833 | *(strchr(argv[cnt - 1], '\n')) = '\0';
|
---|
| 834 | }
|
---|
| 835 |
|
---|
| 836 | if (argc)
|
---|
| 837 | *argc = cnt;
|
---|
| 838 | return argv;
|
---|
[1] | 839 | }
|
---|
| 840 |
|
---|
| 841 | /**
|
---|
| 842 | * For internal use only.
|
---|
| 843 | */
|
---|
[128] | 844 | char *get_option_val(int argc, char **argv, char *option)
|
---|
[1] | 845 | {
|
---|
[128] | 846 | int i;
|
---|
| 847 | for (i = 0; i < (argc - 1); ++i) {
|
---|
| 848 | if (!strcmp(argv[i], option)) {
|
---|
| 849 | return argv[i + 1];
|
---|
| 850 | }
|
---|
[1] | 851 | }
|
---|
[128] | 852 | return 0;
|
---|
[1] | 853 | }
|
---|
| 854 |
|
---|
| 855 | /**
|
---|
| 856 | * For internal use only.
|
---|
| 857 | */
|
---|
[128] | 858 | char **get_option_vals(int argc, char **argv, char *option, int nval)
|
---|
[1] | 859 | {
|
---|
[128] | 860 | int i, j;
|
---|
| 861 | static char **ret;
|
---|
| 862 | ret = (char **) malloc(nval * sizeof(char *));
|
---|
| 863 | for (i = 0; i < (argc - nval); ++i) {
|
---|
| 864 | if (!strcmp(argv[i], option)) {
|
---|
| 865 | for (j = 0; j < nval; ++j) {
|
---|
| 866 | ret[j] = (char *) malloc(strlen(argv[i + j + 1]) + 1);
|
---|
| 867 | strcpy(ret[j], argv[i + j + 1]);
|
---|
| 868 | }
|
---|
| 869 | return ret;
|
---|
| 870 | }
|
---|
[1] | 871 | }
|
---|
[128] | 872 | return 0;
|
---|
[1] | 873 | }
|
---|
| 874 |
|
---|
| 875 | /**
|
---|
| 876 | * For internal use only.
|
---|
| 877 | */
|
---|
[128] | 878 | bool get_option_state(int argc, char **argv, char *option)
|
---|
[1] | 879 | {
|
---|
[128] | 880 | int i;
|
---|
| 881 | for (i = 0; i < argc; ++i)
|
---|
| 882 | if (!strcmp(argv[i], option))
|
---|
| 883 | return TRUE;
|
---|
[1] | 884 |
|
---|
[128] | 885 | return FALSE;
|
---|
[1] | 886 | }
|
---|
| 887 |
|
---|
| 888 | /**
|
---|
| 889 | * Taken from Vinum source -- for internal use only.
|
---|
| 890 | */
|
---|
| 891 | long long size_spec(char *spec)
|
---|
| 892 | {
|
---|
[128] | 893 | u_int64_t size;
|
---|
| 894 | char *s;
|
---|
| 895 | int sign = 1; /* -1 if negative */
|
---|
[1] | 896 |
|
---|
[128] | 897 | size = 0;
|
---|
| 898 | if (spec != NULL) { /* we have a parameter */
|
---|
| 899 | s = spec;
|
---|
| 900 | if (*s == '-') { /* negative, */
|
---|
| 901 | sign = -1;
|
---|
| 902 | s++; /* skip */
|
---|
| 903 | }
|
---|
| 904 | if ((*s >= '0') && (*s <= '9')) { /* it's numeric */
|
---|
| 905 | while ((*s >= '0') && (*s <= '9')) /* it's numeric */
|
---|
| 906 | size = size * 10 + *s++ - '0'; /* convert it */
|
---|
| 907 | switch (*s) {
|
---|
| 908 | case '\0':
|
---|
| 909 | return size * sign;
|
---|
[1] | 910 |
|
---|
[128] | 911 | case 'B':
|
---|
| 912 | case 'b':
|
---|
| 913 | case 'S':
|
---|
| 914 | case 's':
|
---|
| 915 | return size * sign * 512;
|
---|
[1] | 916 |
|
---|
[128] | 917 | case 'K':
|
---|
| 918 | case 'k':
|
---|
| 919 | return size * sign * 1024;
|
---|
[1] | 920 |
|
---|
[128] | 921 | case 'M':
|
---|
| 922 | case 'm':
|
---|
| 923 | return size * sign * 1024 * 1024;
|
---|
[1] | 924 |
|
---|
[128] | 925 | case 'G':
|
---|
| 926 | case 'g':
|
---|
| 927 | return size * sign * 1024 * 1024 * 1024;
|
---|
[1] | 928 |
|
---|
[128] | 929 | case 'T':
|
---|
| 930 | case 't':
|
---|
| 931 | log_it
|
---|
| 932 | ("Ok, I'm scared... Someone did a TERABYTE+ size-spec");
|
---|
| 933 | return size * sign * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 934 |
|
---|
[128] | 935 | case 'P':
|
---|
| 936 | case 'p':
|
---|
| 937 | log_it
|
---|
| 938 | ("If I was scared last time, I'm freaked out now. Someone actually has a PETABYTE?!?!?!?!");
|
---|
| 939 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 940 |
|
---|
[128] | 941 | case 'E':
|
---|
| 942 | case 'e':
|
---|
| 943 | log_it
|
---|
| 944 | ("Okay, I'm REALLY freaked out. Who could devote a whole EXABYTE to their data?!?!");
|
---|
| 945 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 946 | 1024;
|
---|
[1] | 947 |
|
---|
[128] | 948 | case 'Z':
|
---|
| 949 | case 'z':
|
---|
| 950 | log_it
|
---|
| 951 | ("WHAT!?!? A ZETABYTE!?!? You've GOT to be kidding me!!!");
|
---|
| 952 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 953 | 1024 * 1024;
|
---|
| 954 |
|
---|
| 955 | case 'Y':
|
---|
| 956 | case 'y':
|
---|
| 957 | log_it
|
---|
| 958 | ("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?!?!");
|
---|
| 959 | popup_and_OK
|
---|
| 960 | ("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 :-)");
|
---|
| 961 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 962 | 1024 * 1024 * 1024;
|
---|
| 963 | }
|
---|
| 964 | }
|
---|
[1] | 965 | }
|
---|
[128] | 966 | return size * sign;
|
---|
[1] | 967 | }
|
---|
| 968 |
|
---|
| 969 | #endif
|
---|
| 970 |
|
---|
| 971 |
|
---|
| 972 |
|
---|
| 973 |
|
---|
[128] | 974 | int read_mdstat(struct s_mdstat *mdstat, char *mdstat_file)
|
---|
[1] | 975 | {
|
---|
[128] | 976 | FILE *fin;
|
---|
| 977 | char *tmp;
|
---|
| 978 | char *stub;
|
---|
| 979 | char *incoming;
|
---|
| 980 | char *raid_devname;
|
---|
| 981 | char *p, *q, *r;
|
---|
| 982 | int diskno;
|
---|
| 983 |
|
---|
| 984 | malloc_string(tmp);
|
---|
| 985 | malloc_string(stub);
|
---|
| 986 | malloc_string(incoming);
|
---|
| 987 | malloc_string(raid_devname);
|
---|
| 988 | if (!(fin = fopen(mdstat_file, "r"))) {
|
---|
| 989 | log_msg(1, "%s not found", mdstat_file);
|
---|
| 990 | return (1);
|
---|
| 991 | }
|
---|
| 992 | mdstat->entries = 0;
|
---|
| 993 | for (fgets(incoming, MAX_STR_LEN - 1, fin); !feof(fin);
|
---|
| 994 | fgets(incoming, MAX_STR_LEN - 1, fin)) {
|
---|
| 995 | p = incoming;
|
---|
| 996 | if (*p != 'm' && *(p + 1) == 'm') {
|
---|
| 997 | p++;
|
---|
| 998 | }
|
---|
| 999 | if (strncmp(p, "md", 2)) {
|
---|
| 1000 | continue;
|
---|
| 1001 | }
|
---|
[1] | 1002 | // read first line --- mdN : active raidX ............
|
---|
[128] | 1003 | mdstat->el[mdstat->entries].md = atoi(p + 2);
|
---|
| 1004 | log_msg(8, "Storing /dev/md%d's info", atoi(p + 2));
|
---|
| 1005 | while (*p != ':' && *p) {
|
---|
| 1006 | p++;
|
---|
| 1007 | }
|
---|
| 1008 | while ((*p != 'r' || *(p + 1) != 'a') && *p) {
|
---|
| 1009 | p++;
|
---|
| 1010 | }
|
---|
| 1011 | if (!strncmp(p, "raid", 4)) {
|
---|
| 1012 | mdstat->el[mdstat->entries].raidlevel = *(p + 4) - '0';
|
---|
| 1013 | }
|
---|
| 1014 | p += 4;
|
---|
| 1015 | while (*p != ' ' && *p) {
|
---|
| 1016 | p++;
|
---|
| 1017 | }
|
---|
| 1018 | while (*p == ' ' && *p) {
|
---|
| 1019 | p++;
|
---|
| 1020 | }
|
---|
| 1021 | for (diskno = 0; *p; diskno++) {
|
---|
| 1022 | strcpy(stub, p);
|
---|
| 1023 | // log_msg(1, "diskno=%d; tmp=%s", diskno, tmp);
|
---|
| 1024 | q = strchr(stub, '[');
|
---|
| 1025 | if (q) {
|
---|
| 1026 | *q = '\0';
|
---|
| 1027 | q++;
|
---|
| 1028 | r = strchr(q, ']');
|
---|
| 1029 | if (r) {
|
---|
| 1030 | *r = '\0';
|
---|
| 1031 | }
|
---|
| 1032 | mdstat->el[mdstat->entries].disks.el[diskno].index =
|
---|
| 1033 | atoi(q);
|
---|
| 1034 | } else {
|
---|
| 1035 | mdstat->el[mdstat->entries].disks.el[diskno].index = -1;
|
---|
| 1036 | q = strchr(stub, ' ');
|
---|
| 1037 | if (q) {
|
---|
| 1038 | *q = '\0';
|
---|
| 1039 | }
|
---|
| 1040 | }
|
---|
| 1041 | sprintf(tmp, "/dev/%s", stub);
|
---|
| 1042 | log_msg(8, "/dev/md%d : disk#%d : %s (%d)",
|
---|
| 1043 | mdstat->el[mdstat->entries].md, diskno, tmp,
|
---|
| 1044 | mdstat->el[mdstat->entries].disks.el[diskno].index);
|
---|
| 1045 | strcpy(mdstat->el[mdstat->entries].disks.el[diskno].device,
|
---|
| 1046 | tmp);
|
---|
| 1047 | while (*p != ' ' && *p) {
|
---|
| 1048 | p++;
|
---|
| 1049 | }
|
---|
| 1050 | while (*p == ' ' && *p) {
|
---|
| 1051 | p++;
|
---|
| 1052 | }
|
---|
| 1053 | }
|
---|
| 1054 | mdstat->el[mdstat->entries].disks.entries = diskno;
|
---|
[1] | 1055 | // next line --- skip it
|
---|
[128] | 1056 | if (!feof(fin)) {
|
---|
| 1057 | fgets(incoming, MAX_STR_LEN - 1, fin);
|
---|
| 1058 | } else {
|
---|
| 1059 | continue;
|
---|
| 1060 | }
|
---|
[1] | 1061 | // next line --- the 'progress' line
|
---|
[128] | 1062 | if (!feof(fin)) {
|
---|
| 1063 | fgets(incoming, MAX_STR_LEN - 1, fin);
|
---|
| 1064 | } else {
|
---|
| 1065 | continue;
|
---|
| 1066 | }
|
---|
| 1067 | // log_msg(1, "Percentage line = '%s'", incoming);
|
---|
| 1068 | if (!(p = strchr(incoming, '\%'))) {
|
---|
| 1069 | mdstat->el[mdstat->entries].progress = 999; // not found
|
---|
| 1070 | } else if (strstr(incoming, "DELAYED")) {
|
---|
| 1071 | mdstat->el[mdstat->entries].progress = -1; // delayed (therefore, stuck at 0%)
|
---|
| 1072 | } else {
|
---|
| 1073 | for (*p = '\0'; *p != ' '; p--);
|
---|
| 1074 | mdstat->el[mdstat->entries].progress = atoi(p);
|
---|
| 1075 | }
|
---|
| 1076 | log_msg(8, "progress =%d", mdstat->el[mdstat->entries].progress);
|
---|
| 1077 | mdstat->entries++;
|
---|
| 1078 | }
|
---|
| 1079 | fclose(fin);
|
---|
| 1080 | paranoid_free(tmp);
|
---|
| 1081 | paranoid_free(stub);
|
---|
| 1082 | paranoid_free(incoming);
|
---|
| 1083 | paranoid_free(raid_devname);
|
---|
| 1084 | return (0);
|
---|
[1] | 1085 | }
|
---|
| 1086 |
|
---|
| 1087 |
|
---|
| 1088 |
|
---|
[128] | 1089 | int create_raidtab_from_mdstat(char *raidtab_fname, char *mdstat_fname)
|
---|
[1] | 1090 | {
|
---|
[128] | 1091 | struct raidlist_itself *raidlist;
|
---|
| 1092 | struct s_mdstat *mdstat;
|
---|
| 1093 | int retval = 0;
|
---|
| 1094 | int i;
|
---|
[1] | 1095 |
|
---|
[128] | 1096 | raidlist = malloc(sizeof(struct raidlist_itself));
|
---|
| 1097 | mdstat = malloc(sizeof(struct s_mdstat));
|
---|
[1] | 1098 |
|
---|
[128] | 1099 | if (read_mdstat(mdstat, mdstat_fname)) {
|
---|
| 1100 | log_to_screen("Sorry, cannot read %s", mdstat_fname);
|
---|
| 1101 | return (1);
|
---|
| 1102 | }
|
---|
| 1103 |
|
---|
| 1104 | for (i = 0; i < mdstat->entries; i++) {
|
---|
| 1105 | sprintf(raidlist->el[i].raid_device, "/dev/md%d",
|
---|
| 1106 | mdstat->el[i].md);
|
---|
| 1107 | raidlist->el[i].raid_level = mdstat->el[i].raidlevel;
|
---|
| 1108 | raidlist->el[i].persistent_superblock = 1;
|
---|
| 1109 | raidlist->el[i].chunk_size = 4;
|
---|
| 1110 | memcpy((void *) &raidlist->el[i].data_disks,
|
---|
| 1111 | (void *) &mdstat->el[i].disks,
|
---|
| 1112 | sizeof(struct list_of_disks));
|
---|
| 1113 | // FIXME --- the above line does not allow for spare disks
|
---|
| 1114 | log_to_screen
|
---|
| 1115 | ("FIXME - create_raidtab_from_mdstat does not allow for spare disks");
|
---|
| 1116 | }
|
---|
| 1117 | raidlist->entries = i;
|
---|
| 1118 | retval += save_raidlist_to_raidtab(raidlist, raidtab_fname);
|
---|
| 1119 | return (retval);
|
---|
[1] | 1120 | }
|
---|
| 1121 |
|
---|
| 1122 |
|
---|
| 1123 |
|
---|
| 1124 | /* @} - end of raidGroup */
|
---|