[45] | 1 | /* $Id: libmondo-raid.c 507 2006-04-30 00:04:16Z bcornec $
|
---|
| 2 | subroutines for handling RAID
|
---|
[1] | 3 | */
|
---|
| 4 |
|
---|
| 5 | /**
|
---|
| 6 | * @file
|
---|
| 7 | * Functions for handling RAID (especially during restore).
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #include "my-stuff.h"
|
---|
| 11 | #include "mondostructures.h"
|
---|
[507] | 12 | #include "newt-specific-EXT.h"
|
---|
[1] | 13 | #include "libmondo-files-EXT.h"
|
---|
| 14 | #include "libmondo-tools-EXT.h"
|
---|
| 15 | #include "libmondo-string-EXT.h"
|
---|
| 16 | #include "libmondo-raid.h"
|
---|
| 17 |
|
---|
| 18 | #ifdef __FreeBSD__
|
---|
| 19 | /* Nonstandard library functions: */
|
---|
[43] | 20 | extern void errx(int exitval, const char *fmt, ...);
|
---|
| 21 | extern char *strsep(char **stringp, const char *delim);
|
---|
[1] | 22 | #endif
|
---|
| 23 |
|
---|
| 24 | /*@unused@*/
|
---|
[43] | 25 | //static char cvsid[] = "$Id: libmondo-raid.c 507 2006-04-30 00:04:16Z bcornec $";
|
---|
[1] | 26 |
|
---|
| 27 |
|
---|
| 28 | /**
|
---|
| 29 | * @addtogroup raidGroup
|
---|
| 30 | * @{
|
---|
| 31 | */
|
---|
| 32 | /**
|
---|
| 33 | * See if a particular RAID level is supported by the kernel.
|
---|
| 34 | * @param raidno The RAID level (-1 through 5) to check. -1 means "linear" under Linux and
|
---|
| 35 | * "concatenated" under FreeBSD. It's really the same thing, just different wording.
|
---|
| 36 | * @return TRUE if it's supported, FALSE if not.
|
---|
| 37 | */
|
---|
[43] | 38 | bool is_this_raid_personality_registered(int raidno)
|
---|
[1] | 39 | {
|
---|
| 40 | #ifdef __FreeBSD__
|
---|
[43] | 41 | return ((raidno == -1) || (raidno == 0) || (raidno == 1)
|
---|
| 42 | || (raidno == 5)) ? TRUE : FALSE;
|
---|
[1] | 43 | #else
|
---|
[43] | 44 | /*@ buffer ********************************************************** */
|
---|
| 45 | char *command;
|
---|
| 46 | int res;
|
---|
| 47 |
|
---|
| 48 | if (raidno == -1) {
|
---|
[45] | 49 | asprintf(&command,
|
---|
[274] | 50 | "grep \"linear\" /proc/mdstat > /dev/null 2> /dev/null");
|
---|
[43] | 51 | } else {
|
---|
[45] | 52 | asprintf(&command,
|
---|
[274] | 53 | "grep \"raid%d\" /proc/mdstat > /dev/null 2> /dev/null",
|
---|
[45] | 54 | raidno);
|
---|
[43] | 55 | }
|
---|
| 56 | log_it("Is raid %d registered? Command = '%s'", raidno, command);
|
---|
| 57 | res = system(command);
|
---|
| 58 | paranoid_free(command);
|
---|
| 59 | if (res) {
|
---|
| 60 | return (FALSE);
|
---|
| 61 | } else {
|
---|
| 62 | return (TRUE);
|
---|
| 63 | }
|
---|
[1] | 64 | #endif
|
---|
| 65 | }
|
---|
| 66 |
|
---|
[45] | 67 |
|
---|
[1] | 68 | /**
|
---|
| 69 | * Search for @p device in @p disklist.
|
---|
| 70 | * @param disklist The disklist to search in.
|
---|
| 71 | * @param device The device to search for.
|
---|
| 72 | * @return The index number of @p device, or -1 if it does not exist.
|
---|
| 73 | */
|
---|
| 74 | int
|
---|
[43] | 75 | where_in_drivelist_is_drive(struct list_of_disks *disklist, char *device)
|
---|
[1] | 76 | {
|
---|
| 77 |
|
---|
[43] | 78 | /*@ int ************************************************************* */
|
---|
| 79 | int i = 0;
|
---|
[1] | 80 |
|
---|
[43] | 81 | assert(disklist != NULL);
|
---|
| 82 | assert_string_is_neither_NULL_nor_zerolength(device);
|
---|
[1] | 83 |
|
---|
[43] | 84 | for (i = 0; i < disklist->entries; i++) {
|
---|
| 85 | if (!strcmp(disklist->el[i].device, device)) {
|
---|
| 86 | break;
|
---|
| 87 | }
|
---|
[1] | 88 | }
|
---|
[43] | 89 | if (i == disklist->entries) {
|
---|
| 90 | return (-1);
|
---|
| 91 | } else {
|
---|
| 92 | return (i);
|
---|
| 93 | }
|
---|
[1] | 94 | }
|
---|
| 95 |
|
---|
| 96 | /**
|
---|
| 97 | * Determine which RAID device is using a particular partition.
|
---|
| 98 | * @param raidlist The RAID information structure.
|
---|
| 99 | * @param device The partition to find out about.
|
---|
| 100 | * @return The index number of the RAID device using @p device, or -1 if there is none.
|
---|
| 101 | */
|
---|
| 102 | int
|
---|
[43] | 103 | which_raid_device_is_using_this_partition(struct raidlist_itself *raidlist,
|
---|
| 104 | char *device)
|
---|
[1] | 105 | {
|
---|
| 106 | #ifdef __FreeBSD__
|
---|
| 107 | // FreeBSD-specific version of which_raid_device_is_using_this_partition()
|
---|
[43] | 108 | /*@ int ********************************************************* */
|
---|
| 109 | int i = 0;
|
---|
[1] | 110 |
|
---|
[43] | 111 | for (i = 0; i < raidlist->entries; i++) {
|
---|
| 112 | bool thisone = FALSE;
|
---|
| 113 | int j, k, l;
|
---|
| 114 |
|
---|
| 115 | for (j = 0; j < raidlist->el[i].plexes; ++j) {
|
---|
| 116 | for (k = 0; k < raidlist->el[i].plex[j].subdisks; ++k) {
|
---|
| 117 | for (l = 0; l < raidlist->disks.entries; ++l) {
|
---|
| 118 | if (!strcmp(raidlist->disks.el[l].device,
|
---|
| 119 | device) &&
|
---|
| 120 | !strcmp(raidlist->el[i].plex[j].sd[k].which_device,
|
---|
| 121 | raidlist->disks.el[l].name))
|
---|
| 122 | thisone = TRUE;
|
---|
| 123 | }
|
---|
| 124 | }
|
---|
[1] | 125 | }
|
---|
[43] | 126 |
|
---|
| 127 | if (thisone) {
|
---|
| 128 | break;
|
---|
| 129 | }
|
---|
[1] | 130 | }
|
---|
[43] | 131 | if (i == raidlist->entries) {
|
---|
| 132 | return (-1);
|
---|
| 133 | } else {
|
---|
| 134 | return (i);
|
---|
[1] | 135 | }
|
---|
| 136 | }
|
---|
| 137 |
|
---|
| 138 | #else
|
---|
| 139 | // Linux-specific version of which_raid_device_is_using_this_partition()
|
---|
| 140 | // and one other function which FreeBSD doesn't use
|
---|
| 141 |
|
---|
[43] | 142 | int current_raiddev = 0;
|
---|
[1] | 143 |
|
---|
[43] | 144 | assert_string_is_neither_NULL_nor_zerolength(device);
|
---|
| 145 | assert(raidlist != NULL);
|
---|
[1] | 146 |
|
---|
[43] | 147 | for (current_raiddev = 0; current_raiddev < raidlist->entries;
|
---|
| 148 | current_raiddev++) {
|
---|
| 149 | if (where_in_drivelist_is_drive
|
---|
| 150 | (&raidlist->el[current_raiddev].data_disks, device) >= 0
|
---|
| 151 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
|
---|
| 152 | spare_disks, device) >= 0
|
---|
| 153 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
|
---|
| 154 | parity_disks, device) >= 0
|
---|
| 155 | || where_in_drivelist_is_drive(&raidlist->el[current_raiddev].
|
---|
| 156 | failed_disks, device) >= 0) {
|
---|
| 157 | break;
|
---|
| 158 | }
|
---|
[1] | 159 | }
|
---|
[43] | 160 | if (current_raiddev == raidlist->entries) {
|
---|
| 161 | return (-1);
|
---|
| 162 | } else {
|
---|
| 163 | return (current_raiddev);
|
---|
| 164 | }
|
---|
[1] | 165 | }
|
---|
| 166 |
|
---|
| 167 | /**
|
---|
| 168 | * Write an @c int variable to a list of RAID variables.
|
---|
| 169 | * @param raidrec The RAID device record to write to.
|
---|
| 170 | * @param lino The variable index number to modify/create.
|
---|
| 171 | * @param label The label to write.
|
---|
| 172 | * @param value The value to write.
|
---|
| 173 | */
|
---|
| 174 | void
|
---|
[43] | 175 | write_variableINT_to_raid_var_line(struct raid_device_record *raidrec,
|
---|
| 176 | int lino, char *label, int value)
|
---|
[1] | 177 | {
|
---|
[43] | 178 | /*@ buffers ***************************************************** */
|
---|
| 179 | char *sz_value;
|
---|
[1] | 180 |
|
---|
[43] | 181 | assert(raidrec != NULL);
|
---|
| 182 | assert(label != NULL);
|
---|
[1] | 183 |
|
---|
[43] | 184 | asprintf(&sz_value, "%d", value);
|
---|
| 185 | strcpy(raidrec->additional_vars.el[lino].label, label);
|
---|
| 186 | strcpy(raidrec->additional_vars.el[lino].value, sz_value);
|
---|
| 187 | paranoid_free(sz_value);
|
---|
[1] | 188 | }
|
---|
| 189 | #endif
|
---|
| 190 |
|
---|
| 191 | #ifdef __FreeBSD__
|
---|
| 192 | /**
|
---|
| 193 | * Add a disk to a RAID plex.
|
---|
| 194 | * @param p The plex to add the device to.
|
---|
| 195 | * @param device_to_add The device to add to @p p.
|
---|
| 196 | */
|
---|
[43] | 197 | void add_disk_to_raid_device(struct vinum_plex *p, char *device_to_add)
|
---|
[1] | 198 | {
|
---|
[43] | 199 | strcpy(p->sd[p->subdisks].which_device, device_to_add);
|
---|
| 200 | ++p->subdisks;
|
---|
[1] | 201 |
|
---|
| 202 | }
|
---|
| 203 | #else
|
---|
| 204 | /**
|
---|
| 205 | * Add a disk to a RAID device.
|
---|
| 206 | * @param disklist The disklist to add the device to.
|
---|
| 207 | * @param device_to_add The device to add to @p disklist.
|
---|
| 208 | * @param index The index number of the disklist entry we're creating.
|
---|
| 209 | */
|
---|
[43] | 210 | void add_disk_to_raid_device(struct list_of_disks *disklist,
|
---|
| 211 | char *device_to_add, int index)
|
---|
[1] | 212 | {
|
---|
[43] | 213 | int items;
|
---|
[1] | 214 |
|
---|
[43] | 215 | assert(disklist != NULL);
|
---|
| 216 | assert_string_is_neither_NULL_nor_zerolength(device_to_add);
|
---|
| 217 | items = disklist->entries;
|
---|
| 218 | strcpy(disklist->el[items].device, device_to_add);
|
---|
| 219 | disklist->el[items].index = index;
|
---|
| 220 | items++;
|
---|
| 221 | disklist->entries = items;
|
---|
[1] | 222 | }
|
---|
| 223 | #endif
|
---|
| 224 |
|
---|
| 225 | /**
|
---|
| 226 | * Save the additional RAID variables to a stream.
|
---|
| 227 | * @param vars The RAID variable list to save.
|
---|
| 228 | * @param fout The FILE pointer to save them to.
|
---|
| 229 | */
|
---|
[43] | 230 | void
|
---|
| 231 | save_additional_vars_to_file(struct additional_raid_variables *vars,
|
---|
| 232 | FILE * fout)
|
---|
[1] | 233 | {
|
---|
[43] | 234 | int i;
|
---|
[1] | 235 |
|
---|
[43] | 236 | assert(vars != NULL);
|
---|
| 237 | assert(fout != NULL);
|
---|
[1] | 238 |
|
---|
[43] | 239 | for (i = 0; i < vars->entries; i++) {
|
---|
| 240 | fprintf(fout, " %-21s %s\n", vars->el[i].label,
|
---|
| 241 | vars->el[i].value);
|
---|
| 242 | }
|
---|
[1] | 243 | }
|
---|
| 244 |
|
---|
| 245 |
|
---|
| 246 | /**
|
---|
| 247 | * Save a raidlist structure to disk in raidtab format.
|
---|
| 248 | * @param raidlist The raidlist to save.
|
---|
| 249 | * @param fname The file to save it to.
|
---|
| 250 | * @return 0, always.
|
---|
| 251 | * @bug Return value is redundant.
|
---|
| 252 | */
|
---|
[43] | 253 | int save_raidlist_to_raidtab(struct raidlist_itself *raidlist, char *fname)
|
---|
[1] | 254 | {
|
---|
[43] | 255 | FILE *fout;
|
---|
| 256 | int current_raid_device;
|
---|
[1] | 257 | #ifdef __FreeBSD__
|
---|
[43] | 258 | int i;
|
---|
[1] | 259 | #else
|
---|
| 260 | // Linux
|
---|
| 261 | #endif
|
---|
| 262 |
|
---|
[43] | 263 | assert(raidlist != NULL);
|
---|
| 264 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
[1] | 265 |
|
---|
[43] | 266 | if (raidlist->entries <= 0) {
|
---|
| 267 | unlink(fname);
|
---|
| 268 | log_it("Deleting raidtab (no RAID devs anyway)");
|
---|
| 269 | return (0);
|
---|
| 270 | }
|
---|
| 271 | if (!(fout = fopen(fname, "w"))) {
|
---|
| 272 | log_OS_error("Failed to save raidlist");
|
---|
| 273 | return (1);
|
---|
| 274 | }
|
---|
| 275 | fprintf(fout, "# Generated by Mondo Rescue\n");
|
---|
[1] | 276 |
|
---|
| 277 | #ifdef __FreeBSD__
|
---|
[43] | 278 | for (i = 0; i < raidlist->disks.entries; ++i) {
|
---|
| 279 | fprintf(fout, "drive %s device %s\n", raidlist->disks.el[i].name,
|
---|
| 280 | raidlist->disks.el[i].device);
|
---|
| 281 | }
|
---|
| 282 | for (i = 0; i < (raidlist->spares.entries); ++i) {
|
---|
| 283 | fprintf(fout, "drive %s device %s hotspare\n",
|
---|
| 284 | raidlist->spares.el[i].name,
|
---|
| 285 | raidlist->spares.el[i].device);
|
---|
| 286 | }
|
---|
[1] | 287 | #endif
|
---|
| 288 |
|
---|
[43] | 289 | for (current_raid_device = 0; current_raid_device < raidlist->entries;
|
---|
| 290 | current_raid_device++) {
|
---|
| 291 | save_raidrec_to_file(&raidlist->el[current_raid_device], fout);
|
---|
| 292 | }
|
---|
| 293 | paranoid_fclose(fout);
|
---|
| 294 | return (0);
|
---|
[1] | 295 | }
|
---|
| 296 |
|
---|
| 297 |
|
---|
| 298 | /**
|
---|
| 299 | * Save an individual RAID device record to a stream.
|
---|
| 300 | * @param raidrec The RAID device record to save.
|
---|
| 301 | * @param fout The stream to save it to.
|
---|
| 302 | */
|
---|
[43] | 303 | void save_raidrec_to_file(struct
|
---|
[1] | 304 | #ifdef __FreeBSD__
|
---|
[43] | 305 | vinum_volume
|
---|
[1] | 306 | #else
|
---|
[43] | 307 | raid_device_record
|
---|
[1] | 308 | #endif
|
---|
[43] | 309 | * raidrec, FILE * fout)
|
---|
[1] | 310 | {
|
---|
| 311 | #ifdef __FreeBSD__
|
---|
[43] | 312 | int i, j;
|
---|
[1] | 313 |
|
---|
[43] | 314 | fprintf(fout, "\nvolume %s\n", raidrec->volname);
|
---|
| 315 | for (i = 0; i < raidrec->plexes; ++i) {
|
---|
| 316 | char *org;
|
---|
| 317 | switch (raidrec->plex[i].raidlevel) {
|
---|
| 318 | case -1:
|
---|
| 319 | asprintf(&org, "%s", "concat");
|
---|
| 320 | break;
|
---|
| 321 | case 0:
|
---|
| 322 | asprintf(&org, "%s", "striped");
|
---|
| 323 | break;
|
---|
| 324 | case 5:
|
---|
| 325 | asprintf(&org, "%s", "raid5");
|
---|
| 326 | break;
|
---|
| 327 | }
|
---|
| 328 | fprintf(fout, " plex org %s", org);
|
---|
| 329 | paranoid_free(org);
|
---|
| 330 |
|
---|
| 331 | if (raidrec->plex[i].raidlevel != -1) {
|
---|
| 332 | fprintf(fout, " %ik", raidrec->plex[i].stripesize);
|
---|
| 333 | }
|
---|
| 334 | fprintf(fout, "\n");
|
---|
| 335 |
|
---|
| 336 | for (j = 0; j < raidrec->plex[i].subdisks; ++j) {
|
---|
| 337 | fprintf(fout, " sd drive %s size 0\n",
|
---|
| 338 | raidrec->plex[i].sd[j].which_device);
|
---|
| 339 | }
|
---|
[1] | 340 | }
|
---|
[43] | 341 | #else
|
---|
| 342 | assert(raidrec != NULL);
|
---|
| 343 | assert(fout != NULL);
|
---|
| 344 |
|
---|
| 345 | fprintf(fout, "raiddev %s\n", raidrec->raid_device);
|
---|
| 346 | if (raidrec->raid_level == -1) {
|
---|
| 347 | fprintf(fout, " raid-level linear\n");
|
---|
| 348 | } else {
|
---|
| 349 | fprintf(fout, " raid-level %d\n",
|
---|
| 350 | raidrec->raid_level);
|
---|
[1] | 351 | }
|
---|
[43] | 352 | fprintf(fout, " chunk-size %d\n", raidrec->chunk_size);
|
---|
| 353 | fprintf(fout, " nr-raid-disks %d\n",
|
---|
| 354 | raidrec->data_disks.entries);
|
---|
| 355 | fprintf(fout, " nr-spare-disks %d\n",
|
---|
| 356 | raidrec->spare_disks.entries);
|
---|
| 357 | if (raidrec->parity_disks.entries > 0) {
|
---|
| 358 | fprintf(fout, " nr-parity-disks %d\n",
|
---|
| 359 | raidrec->parity_disks.entries);
|
---|
[1] | 360 | }
|
---|
| 361 |
|
---|
[43] | 362 | fprintf(fout, " persistent-superblock %d\n",
|
---|
| 363 | raidrec->persistent_superblock);
|
---|
| 364 | save_additional_vars_to_file(&raidrec->additional_vars, fout);
|
---|
| 365 | fprintf(fout, "\n");
|
---|
| 366 | save_disklist_to_file("raid-disk", &raidrec->data_disks, fout);
|
---|
| 367 | save_disklist_to_file("spare-disk", &raidrec->spare_disks, fout);
|
---|
| 368 | save_disklist_to_file("parity-disk", &raidrec->parity_disks, fout);
|
---|
| 369 | save_disklist_to_file("failed-disk", &raidrec->failed_disks, fout);
|
---|
| 370 | fprintf(fout, "\n");
|
---|
[1] | 371 | #endif
|
---|
| 372 | }
|
---|
| 373 |
|
---|
| 374 | /**
|
---|
| 375 | * Retrieve the next line from a raidtab stream.
|
---|
| 376 | * @param fin The file to read the input from.
|
---|
| 377 | * @param label Where to put the line's label.
|
---|
| 378 | * @param value Where to put the line's value.
|
---|
| 379 | * @return 0 if the line was read and stored successfully, 1 if we're at end of file.
|
---|
| 380 | */
|
---|
[43] | 381 | int get_next_raidtab_line(FILE * fin, char *label, char *value)
|
---|
[1] | 382 | {
|
---|
[45] | 383 | char *incoming = NULL;
|
---|
[43] | 384 | char *p;
|
---|
[45] | 385 | size_t n = 0;
|
---|
[1] | 386 |
|
---|
[43] | 387 | assert(fin != NULL);
|
---|
| 388 | assert(label != NULL);
|
---|
| 389 | assert(value != NULL);
|
---|
[1] | 390 |
|
---|
[43] | 391 | label[0] = value[0] = '\0';
|
---|
| 392 | if (feof(fin)) {
|
---|
| 393 | return (1);
|
---|
[1] | 394 | }
|
---|
[43] | 395 |
|
---|
[45] | 396 | for (getline(&incoming, &n, fin); !feof(fin);
|
---|
| 397 | getline(&incoming, &n, fin)) {
|
---|
[43] | 398 | strip_spaces(incoming);
|
---|
| 399 | p = strchr(incoming, ' ');
|
---|
| 400 | if (strlen(incoming) < 3 || incoming[0] == '#' || !p) {
|
---|
| 401 | continue;
|
---|
| 402 | }
|
---|
| 403 | *(p++) = '\0';
|
---|
| 404 | while (*p == ' ') {
|
---|
| 405 | p++;
|
---|
| 406 | }
|
---|
| 407 | strcpy(label, incoming);
|
---|
| 408 | strcpy(value, p);
|
---|
| 409 | paranoid_free(incoming);
|
---|
| 410 | return (0);
|
---|
| 411 | }
|
---|
| 412 | paranoid_free(incoming);
|
---|
| 413 | return (1);
|
---|
[1] | 414 | }
|
---|
| 415 |
|
---|
| 416 |
|
---|
| 417 | /**
|
---|
| 418 | * Load a raidtab file into a raidlist structure.
|
---|
| 419 | * @param raidlist The raidlist to fill.
|
---|
| 420 | * @param fname The file to read from.
|
---|
| 421 | * @return 0 for success, 1 for failure.
|
---|
| 422 | */
|
---|
| 423 | #ifdef __FreeBSD__
|
---|
[43] | 424 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 425 | char *fname)
|
---|
[1] | 426 | {
|
---|
[43] | 427 | FILE *fin;
|
---|
| 428 | char *tmp1;
|
---|
| 429 | int items;
|
---|
[1] | 430 |
|
---|
[43] | 431 | raidlist->spares.entries = 0;
|
---|
| 432 | raidlist->disks.entries = 0;
|
---|
| 433 | if (length_of_file(fname) < 5) {
|
---|
| 434 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 435 | raidlist->entries = 0;
|
---|
| 436 | return (0);
|
---|
[1] | 437 | }
|
---|
[43] | 438 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 439 | log_it("Cannot open raidtab");
|
---|
| 440 | return (1);
|
---|
[1] | 441 | }
|
---|
[43] | 442 | items = 0;
|
---|
| 443 | log_it("Loading raidtab...");
|
---|
| 444 | while (!feof(fin)) {
|
---|
| 445 | int argc;
|
---|
| 446 | char **argv = get_next_vinum_conf_line(fin, &argc);
|
---|
| 447 | if (!argv)
|
---|
| 448 | break;
|
---|
| 449 | if (!strcmp(argv[0], "drive")) {
|
---|
| 450 | char *drivename, *devname;
|
---|
| 451 | if (argc < 4)
|
---|
| 452 | continue;
|
---|
| 453 | drivename = argv[1];
|
---|
| 454 | devname = get_option_val(argc, argv, "device");
|
---|
| 455 | if (!devname)
|
---|
| 456 | continue;
|
---|
[1] | 457 |
|
---|
[43] | 458 | if (get_option_state(argc, argv, "hotspare")) {
|
---|
| 459 | strcpy(raidlist->spares.el[raidlist->spares.entries].name,
|
---|
| 460 | drivename);
|
---|
| 461 | strcpy(raidlist->spares.el[raidlist->spares.entries].
|
---|
| 462 | device, devname);
|
---|
| 463 | raidlist->spares.el[raidlist->spares.entries].index =
|
---|
| 464 | raidlist->disks.entries;
|
---|
| 465 | raidlist->spares.entries++;
|
---|
| 466 | } else {
|
---|
| 467 | strcpy(raidlist->disks.el[raidlist->disks.entries].name,
|
---|
| 468 | drivename);
|
---|
| 469 | strcpy(raidlist->disks.el[raidlist->disks.entries].device,
|
---|
| 470 | devname);
|
---|
| 471 | raidlist->disks.el[raidlist->disks.entries].index =
|
---|
| 472 | raidlist->disks.entries;
|
---|
| 473 | raidlist->disks.entries++;
|
---|
| 474 | }
|
---|
| 475 | } else if (!strcmp(argv[0], "volume")) {
|
---|
| 476 | char *volname;
|
---|
| 477 | if (argc < 2)
|
---|
| 478 | continue;
|
---|
| 479 | volname = argv[1];
|
---|
| 480 | strcpy(raidlist->el[raidlist->entries].volname, volname);
|
---|
| 481 | raidlist->el[raidlist->entries].plexes = 0;
|
---|
| 482 | raidlist->entries++;
|
---|
| 483 | } else if (!strcmp(argv[0], "plex")) {
|
---|
| 484 | int raidlevel, stripesize;
|
---|
| 485 | char *org = 0;
|
---|
| 486 | char **tmp = 0;
|
---|
| 487 | if (argc < 3)
|
---|
| 488 | continue;
|
---|
| 489 | org = get_option_val(argc, argv, "org");
|
---|
| 490 | if (!org)
|
---|
| 491 | continue;
|
---|
| 492 | if (strcmp(org, "concat")) {
|
---|
| 493 | tmp = get_option_vals(argc, argv, "org", 2);
|
---|
| 494 | if (tmp && tmp[1]) {
|
---|
| 495 | stripesize = (int) (size_spec(tmp[1]) / 1024);
|
---|
| 496 | } else
|
---|
| 497 | stripesize = 279;
|
---|
| 498 | } else
|
---|
| 499 | stripesize = 0;
|
---|
[1] | 500 |
|
---|
[43] | 501 | if (!strcmp(org, "concat")) {
|
---|
| 502 | raidlevel = -1;
|
---|
| 503 | } else if (!strcmp(org, "striped")) {
|
---|
| 504 | raidlevel = 0;
|
---|
| 505 | } else if (!strcmp(org, "raid5")) {
|
---|
| 506 | raidlevel = 5;
|
---|
| 507 | } else
|
---|
| 508 | continue;
|
---|
| 509 |
|
---|
| 510 | raidlist->el[raidlist->entries - 1].plex
|
---|
| 511 | [raidlist->el[raidlist->entries - 1].plexes].raidlevel =
|
---|
| 512 | raidlevel;
|
---|
| 513 | raidlist->el[raidlist->entries -
|
---|
| 514 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 515 | 1].plexes].stripesize =
|
---|
| 516 | stripesize;
|
---|
| 517 | raidlist->el[raidlist->entries -
|
---|
| 518 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 519 | 1].plexes].subdisks = 0;
|
---|
| 520 | raidlist->el[raidlist->entries - 1].plexes++;
|
---|
| 521 | } else if ((!strcmp(argv[0], "sd"))
|
---|
| 522 | || (!strcmp(argv[0], "subdisk"))) {
|
---|
| 523 | char *drive = 0;
|
---|
| 524 | if (argc < 3)
|
---|
| 525 | continue;
|
---|
| 526 | drive = get_option_val(argc, argv, "drive");
|
---|
| 527 | if (!drive)
|
---|
| 528 | continue;
|
---|
| 529 |
|
---|
| 530 | strcpy(raidlist->el[raidlist->entries - 1].plex
|
---|
| 531 | [raidlist->el[raidlist->entries - 1].plexes - 1].sd
|
---|
| 532 | [raidlist->el[raidlist->entries - 1].plex
|
---|
| 533 | [raidlist->el[raidlist->entries - 1].plexes -
|
---|
| 534 | 1].subdisks].which_device, drive);
|
---|
| 535 | raidlist->el[raidlist->entries -
|
---|
| 536 | 1].plex[raidlist->el[raidlist->entries -
|
---|
| 537 | 1].plexes - 1].subdisks++;
|
---|
| 538 | }
|
---|
[1] | 539 | }
|
---|
[43] | 540 | fclose(fin);
|
---|
| 541 | log_it("Raidtab loaded successfully.");
|
---|
| 542 | asprintf(&tmp1, "%d RAID devices in raidtab", raidlist->entries);
|
---|
| 543 | log_it(tmp1);
|
---|
| 544 | paranoid_free(tmp1);
|
---|
| 545 | return (0);
|
---|
[1] | 546 | }
|
---|
| 547 |
|
---|
| 548 |
|
---|
| 549 | #else
|
---|
| 550 |
|
---|
[43] | 551 | int load_raidtab_into_raidlist(struct raidlist_itself *raidlist,
|
---|
| 552 | char *fname)
|
---|
[1] | 553 | {
|
---|
[43] | 554 | FILE *fin;
|
---|
| 555 | char *label;
|
---|
| 556 | char *value;
|
---|
| 557 | int items;
|
---|
| 558 | int v;
|
---|
[1] | 559 |
|
---|
[43] | 560 | assert(raidlist != NULL);
|
---|
| 561 | assert_string_is_neither_NULL_nor_zerolength(fname);
|
---|
[1] | 562 |
|
---|
[43] | 563 | if (length_of_file(fname) < 5) {
|
---|
| 564 | log_it("Raidtab is very small or non-existent. Ignoring it.");
|
---|
| 565 | raidlist->entries = 0;
|
---|
| 566 | return (0);
|
---|
[1] | 567 | }
|
---|
[43] | 568 | if (!(fin = fopen(fname, "r"))) {
|
---|
| 569 | log_it("Cannot open raidtab");
|
---|
| 570 | return (1);
|
---|
[1] | 571 | }
|
---|
[43] | 572 | items = 0;
|
---|
| 573 | log_it("Loading raidtab...");
|
---|
[45] | 574 | malloc_string(label);
|
---|
| 575 | malloc_string(value);
|
---|
[43] | 576 | get_next_raidtab_line(fin, label, value);
|
---|
| 577 | while (!feof(fin)) {
|
---|
| 578 | log_msg(1, "Looking for raid record #%d", items);
|
---|
| 579 | initialize_raidrec(&raidlist->el[items]);
|
---|
| 580 | v = 0;
|
---|
| 581 | /* find the 'raiddev' entry, indicating the start of the block of info */
|
---|
| 582 | while (!feof(fin) && strcmp(label, "raiddev")) {
|
---|
| 583 | strcpy(raidlist->el[items].additional_vars.el[v].label, label);
|
---|
| 584 | strcpy(raidlist->el[items].additional_vars.el[v].value, value);
|
---|
| 585 | v++;
|
---|
| 586 | get_next_raidtab_line(fin, label, value);
|
---|
| 587 | }
|
---|
| 588 | raidlist->el[items].additional_vars.entries = v;
|
---|
| 589 | if (feof(fin)) {
|
---|
| 590 | log_msg(1, "No more records.");
|
---|
| 591 | continue;
|
---|
| 592 | }
|
---|
| 593 | log_msg(2, "Record #%d (%s) found", items, value);
|
---|
| 594 | strcpy(raidlist->el[items].raid_device, value);
|
---|
| 595 | for (get_next_raidtab_line(fin, label, value);
|
---|
| 596 | !feof(fin) && strcmp(label, "raiddev");
|
---|
| 597 | get_next_raidtab_line(fin, label, value)) {
|
---|
| 598 | process_raidtab_line(fin, &raidlist->el[items], label, value);
|
---|
| 599 | }
|
---|
| 600 | items++;
|
---|
[1] | 601 | }
|
---|
[43] | 602 | paranoid_fclose(fin);
|
---|
| 603 | raidlist->entries = items;
|
---|
| 604 | log_msg(1, "Raidtab loaded successfully.");
|
---|
| 605 | log_msg(1, "%d RAID devices in raidtab", items);
|
---|
| 606 | paranoid_free(label);
|
---|
| 607 | paranoid_free(value);
|
---|
| 608 | return (0);
|
---|
[1] | 609 | }
|
---|
| 610 | #endif
|
---|
| 611 |
|
---|
| 612 |
|
---|
| 613 | #ifndef __FreeBSD__
|
---|
| 614 | /**
|
---|
| 615 | * Process a single line from the raidtab and store the results into @p raidrec.
|
---|
| 616 | * @param fin The stream to read the line from.
|
---|
| 617 | * @param raidrec The RAID device record to update.
|
---|
| 618 | * @param label Where to put the label processed.
|
---|
| 619 | * @param value Where to put the value processed.
|
---|
| 620 | */
|
---|
| 621 | void
|
---|
[43] | 622 | process_raidtab_line(FILE * fin,
|
---|
| 623 | struct raid_device_record *raidrec,
|
---|
| 624 | char *label, char *value)
|
---|
[1] | 625 | {
|
---|
| 626 |
|
---|
[43] | 627 | /*@ add mallocs * */
|
---|
| 628 | char *tmp;
|
---|
| 629 | char *labelB;
|
---|
| 630 | char *valueB;
|
---|
[1] | 631 |
|
---|
[43] | 632 | struct list_of_disks *disklist;
|
---|
| 633 | int index;
|
---|
| 634 | int v;
|
---|
[1] | 635 |
|
---|
[43] | 636 | malloc_string(labelB);
|
---|
| 637 | malloc_string(valueB);
|
---|
| 638 | assert(fin != NULL);
|
---|
| 639 | assert(raidrec != NULL);
|
---|
| 640 | assert_string_is_neither_NULL_nor_zerolength(label);
|
---|
| 641 | assert(value != NULL);
|
---|
[1] | 642 |
|
---|
[43] | 643 | if (!strcmp(label, "raid-level")) {
|
---|
| 644 | if (!strcmp(value, "linear")) {
|
---|
| 645 | raidrec->raid_level = -1;
|
---|
| 646 | } else {
|
---|
| 647 | raidrec->raid_level = atoi(value);
|
---|
| 648 | }
|
---|
| 649 | } else if (!strcmp(label, "nr-raid-disks")) { /* ignore it */
|
---|
| 650 | } else if (!strcmp(label, "nr-spare-disks")) { /* ignore it */
|
---|
| 651 | } else if (!strcmp(label, "nr-parity-disks")) { /* ignore it */
|
---|
| 652 | } else if (!strcmp(label, "nr-failed-disks")) { /* ignore it */
|
---|
| 653 | } else if (!strcmp(label, "persistent-superblock")) {
|
---|
| 654 | raidrec->persistent_superblock = atoi(value);
|
---|
| 655 | } else if (!strcmp(label, "chunk-size")) {
|
---|
| 656 | raidrec->chunk_size = atoi(value);
|
---|
| 657 | } else if (!strcmp(label, "device")) {
|
---|
| 658 | get_next_raidtab_line(fin, labelB, valueB);
|
---|
| 659 | if (!strcmp(labelB, "raid-disk")) {
|
---|
| 660 | disklist = &raidrec->data_disks;
|
---|
| 661 | } else if (!strcmp(labelB, "spare-disk")) {
|
---|
| 662 | disklist = &raidrec->spare_disks;
|
---|
| 663 | } else if (!strcmp(labelB, "parity-disk")) {
|
---|
| 664 | disklist = &raidrec->parity_disks;
|
---|
| 665 | } else if (!strcmp(labelB, "failed-disk")) {
|
---|
| 666 | disklist = &raidrec->failed_disks;
|
---|
| 667 | } else {
|
---|
| 668 | disklist = NULL;
|
---|
| 669 | }
|
---|
| 670 | if (!disklist) {
|
---|
| 671 | asprintf(&tmp,
|
---|
[45] | 672 | "Ignoring '%s %s' pair of disk %s", labelB, valueB,
|
---|
| 673 | label);
|
---|
[43] | 674 | log_it(tmp);
|
---|
| 675 | paranoid_free(tmp);
|
---|
| 676 | } else {
|
---|
| 677 | index = atoi(valueB);
|
---|
| 678 | add_disk_to_raid_device(disklist, value, index);
|
---|
| 679 | }
|
---|
| 680 | } else {
|
---|
| 681 | v = raidrec->additional_vars.entries;
|
---|
| 682 | strcpy(raidrec->additional_vars.el[v].label, label);
|
---|
| 683 | strcpy(raidrec->additional_vars.el[v].value, value);
|
---|
| 684 | raidrec->additional_vars.entries = ++v;
|
---|
[1] | 685 | }
|
---|
[43] | 686 | paranoid_free(labelB);
|
---|
| 687 | paranoid_free(valueB);
|
---|
[1] | 688 | }
|
---|
| 689 | #endif
|
---|
| 690 |
|
---|
| 691 |
|
---|
| 692 | /**
|
---|
| 693 | * Save a disklist to a stream in raidtab format.
|
---|
| 694 | * @param listname One of "raid-disk", "spare-disk", "parity-disk", or "failed-disk".
|
---|
| 695 | * @param disklist The disklist to save to @p fout.
|
---|
| 696 | * @param fout The stream to write to.
|
---|
| 697 | */
|
---|
[43] | 698 | void
|
---|
| 699 | save_disklist_to_file(char *listname,
|
---|
| 700 | struct list_of_disks *disklist, FILE * fout)
|
---|
[1] | 701 | {
|
---|
[43] | 702 | int i;
|
---|
[1] | 703 |
|
---|
[43] | 704 | assert_string_is_neither_NULL_nor_zerolength(listname);
|
---|
| 705 | assert(disklist != NULL);
|
---|
| 706 | assert(fout != NULL);
|
---|
[1] | 707 |
|
---|
[43] | 708 | for (i = 0; i < disklist->entries; i++) {
|
---|
| 709 | fprintf(fout, " device %s\n",
|
---|
| 710 | disklist->el[i].device);
|
---|
| 711 | fprintf(fout, " %-21s %d\n", listname, disklist->el[i].index);
|
---|
| 712 | }
|
---|
[1] | 713 | }
|
---|
| 714 |
|
---|
| 715 |
|
---|
| 716 | #ifdef __FreeBSD__
|
---|
| 717 | /**
|
---|
| 718 | * Add a new plex to a volume. The index of the plex will be <tt>v-\>plexes - 1</tt>.
|
---|
| 719 | * @param v The volume to operate on.
|
---|
| 720 | * @param raidlevel The RAID level of the new plex.
|
---|
| 721 | * @param stripesize The stripe size (chunk size) of the new plex.
|
---|
| 722 | */
|
---|
[43] | 723 | void add_plex_to_volume(struct vinum_volume *v, int raidlevel,
|
---|
| 724 | int stripesize)
|
---|
[1] | 725 | {
|
---|
[43] | 726 | v->plex[v->plexes].raidlevel = raidlevel;
|
---|
| 727 | v->plex[v->plexes].stripesize = stripesize;
|
---|
| 728 | v->plex[v->plexes].subdisks = 0;
|
---|
| 729 | ++v->plexes;
|
---|
[1] | 730 | }
|
---|
| 731 |
|
---|
| 732 | /**
|
---|
| 733 | * For internal use only.
|
---|
| 734 | */
|
---|
[43] | 735 | char **get_next_vinum_conf_line(FILE * f, int *argc)
|
---|
[1] | 736 | {
|
---|
[43] | 737 | int cnt = 0;
|
---|
| 738 | static char *argv[64];
|
---|
| 739 | char **ap;
|
---|
| 740 | char *line = (char *) malloc(MAX_STR_LEN);
|
---|
| 741 | if (!line)
|
---|
| 742 | errx(1,
|
---|
| 743 | "unable to allocate %i bytes of memory for `char *line' at %s:%i",
|
---|
| 744 | MAX_STR_LEN, __FILE__, __LINE__);
|
---|
| 745 | (void) fgets(line, MAX_STR_LEN, f);
|
---|
| 746 | if (feof(f)) {
|
---|
| 747 | log_it("[GNVCL] Uh... I reached the EOF.");
|
---|
| 748 | return 0;
|
---|
[1] | 749 | }
|
---|
| 750 |
|
---|
[43] | 751 | for (ap = argv; (*ap = strsep(&line, " \t")) != NULL;)
|
---|
| 752 | if (**ap != '\0') {
|
---|
| 753 | if (++ap >= &argv[64])
|
---|
| 754 | break;
|
---|
| 755 | cnt++;
|
---|
| 756 | }
|
---|
[1] | 757 |
|
---|
[43] | 758 | if (strchr(argv[cnt - 1], '\n')) {
|
---|
| 759 | *(strchr(argv[cnt - 1], '\n')) = '\0';
|
---|
| 760 | }
|
---|
| 761 |
|
---|
| 762 | if (argc)
|
---|
| 763 | *argc = cnt;
|
---|
| 764 | return argv;
|
---|
[1] | 765 | }
|
---|
| 766 |
|
---|
| 767 | /**
|
---|
| 768 | * For internal use only.
|
---|
| 769 | */
|
---|
[43] | 770 | char *get_option_val(int argc, char **argv, char *option)
|
---|
[1] | 771 | {
|
---|
[43] | 772 | int i;
|
---|
| 773 | for (i = 0; i < (argc - 1); ++i) {
|
---|
| 774 | if (!strcmp(argv[i], option)) {
|
---|
| 775 | return argv[i + 1];
|
---|
| 776 | }
|
---|
[1] | 777 | }
|
---|
[43] | 778 | return 0;
|
---|
[1] | 779 | }
|
---|
| 780 |
|
---|
| 781 | /**
|
---|
| 782 | * For internal use only.
|
---|
| 783 | */
|
---|
[43] | 784 | char **get_option_vals(int argc, char **argv, char *option, int nval)
|
---|
[1] | 785 | {
|
---|
[43] | 786 | int i, j;
|
---|
| 787 | static char **ret;
|
---|
| 788 | ret = (char **) malloc(nval * sizeof(char *));
|
---|
| 789 | for (i = 0; i < (argc - nval); ++i) {
|
---|
| 790 | if (!strcmp(argv[i], option)) {
|
---|
| 791 | for (j = 0; j < nval; ++j) {
|
---|
| 792 | ret[j] = (char *) malloc(strlen(argv[i + j + 1]) + 1);
|
---|
| 793 | strcpy(ret[j], argv[i + j + 1]);
|
---|
| 794 | }
|
---|
| 795 | return ret;
|
---|
| 796 | }
|
---|
[1] | 797 | }
|
---|
[43] | 798 | return 0;
|
---|
[1] | 799 | }
|
---|
| 800 |
|
---|
| 801 | /**
|
---|
| 802 | * For internal use only.
|
---|
| 803 | */
|
---|
[43] | 804 | bool get_option_state(int argc, char **argv, char *option)
|
---|
[1] | 805 | {
|
---|
[43] | 806 | int i;
|
---|
| 807 | for (i = 0; i < argc; ++i)
|
---|
| 808 | if (!strcmp(argv[i], option))
|
---|
| 809 | return TRUE;
|
---|
[1] | 810 |
|
---|
[43] | 811 | return FALSE;
|
---|
[1] | 812 | }
|
---|
| 813 |
|
---|
| 814 | /**
|
---|
| 815 | * Taken from Vinum source -- for internal use only.
|
---|
| 816 | */
|
---|
| 817 | long long size_spec(char *spec)
|
---|
| 818 | {
|
---|
[43] | 819 | u_int64_t size;
|
---|
| 820 | char *s;
|
---|
| 821 | int sign = 1; /* -1 if negative */
|
---|
[1] | 822 |
|
---|
[43] | 823 | size = 0;
|
---|
| 824 | if (spec != NULL) { /* we have a parameter */
|
---|
| 825 | s = spec;
|
---|
| 826 | if (*s == '-') { /* negative, */
|
---|
| 827 | sign = -1;
|
---|
| 828 | s++; /* skip */
|
---|
| 829 | }
|
---|
| 830 | if ((*s >= '0') && (*s <= '9')) { /* it's numeric */
|
---|
| 831 | while ((*s >= '0') && (*s <= '9')) /* it's numeric */
|
---|
| 832 | size = size * 10 + *s++ - '0'; /* convert it */
|
---|
| 833 | switch (*s) {
|
---|
| 834 | case '\0':
|
---|
| 835 | return size * sign;
|
---|
[1] | 836 |
|
---|
[43] | 837 | case 'B':
|
---|
| 838 | case 'b':
|
---|
| 839 | case 'S':
|
---|
| 840 | case 's':
|
---|
| 841 | return size * sign * 512;
|
---|
[1] | 842 |
|
---|
[43] | 843 | case 'K':
|
---|
| 844 | case 'k':
|
---|
| 845 | return size * sign * 1024;
|
---|
[1] | 846 |
|
---|
[43] | 847 | case 'M':
|
---|
| 848 | case 'm':
|
---|
| 849 | return size * sign * 1024 * 1024;
|
---|
[1] | 850 |
|
---|
[43] | 851 | case 'G':
|
---|
| 852 | case 'g':
|
---|
| 853 | return size * sign * 1024 * 1024 * 1024;
|
---|
[1] | 854 |
|
---|
[43] | 855 | case 'T':
|
---|
| 856 | case 't':
|
---|
| 857 | log_it
|
---|
| 858 | ("Ok, I'm scared... Someone did a TERABYTE+ size-spec");
|
---|
| 859 | return size * sign * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 860 |
|
---|
[43] | 861 | case 'P':
|
---|
| 862 | case 'p':
|
---|
| 863 | log_it
|
---|
| 864 | ("If I was scared last time, I'm freaked out now. Someone actually has a PETABYTE?!?!?!?!");
|
---|
| 865 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024;
|
---|
[1] | 866 |
|
---|
[43] | 867 | case 'E':
|
---|
| 868 | case 'e':
|
---|
| 869 | log_it
|
---|
| 870 | ("Okay, I'm REALLY freaked out. Who could devote a whole EXABYTE to their data?!?!");
|
---|
| 871 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 872 | 1024;
|
---|
[1] | 873 |
|
---|
[43] | 874 | case 'Z':
|
---|
| 875 | case 'z':
|
---|
| 876 | log_it
|
---|
| 877 | ("WHAT!?!? A ZETABYTE!?!? You've GOT to be kidding me!!!");
|
---|
| 878 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 879 | 1024 * 1024;
|
---|
| 880 |
|
---|
| 881 | case 'Y':
|
---|
| 882 | case 'y':
|
---|
| 883 | log_it
|
---|
| 884 | ("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?!?!");
|
---|
| 885 | popup_and_OK
|
---|
[507] | 886 | (_("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 :-)"));
|
---|
[43] | 887 | return size * sign * 1024 * 1024 * 1024 * 1024 * 1024 *
|
---|
| 888 | 1024 * 1024 * 1024;
|
---|
| 889 | }
|
---|
| 890 | }
|
---|
[1] | 891 | }
|
---|
[43] | 892 | return size * sign;
|
---|
[1] | 893 | }
|
---|
| 894 |
|
---|
| 895 | #endif
|
---|
| 896 |
|
---|
| 897 |
|
---|
| 898 |
|
---|
| 899 |
|
---|
[43] | 900 | int read_mdstat(struct s_mdstat *mdstat, char *mdstat_file)
|
---|
[1] | 901 | {
|
---|
[43] | 902 | FILE *fin;
|
---|
| 903 | char *tmp;
|
---|
| 904 | char *stub;
|
---|
[45] | 905 | char *incoming = NULL;
|
---|
[43] | 906 | char *p, *q, *r;
|
---|
| 907 | int diskno;
|
---|
[45] | 908 | size_t n = 0;
|
---|
[43] | 909 |
|
---|
| 910 | malloc_string(incoming);
|
---|
| 911 | if (!(fin = fopen(mdstat_file, "r"))) {
|
---|
| 912 | log_msg(1, "%s not found", mdstat_file);
|
---|
| 913 | return (1);
|
---|
| 914 | }
|
---|
| 915 | mdstat->entries = 0;
|
---|
[45] | 916 | for (getline(&incoming, &n, fin); !feof(fin);
|
---|
| 917 | getline(&incoming, &n, fin)) {
|
---|
[43] | 918 | p = incoming;
|
---|
| 919 | if (*p != 'm' && *(p + 1) == 'm') {
|
---|
| 920 | p++;
|
---|
| 921 | }
|
---|
| 922 | if (strncmp(p, "md", 2)) {
|
---|
| 923 | continue;
|
---|
| 924 | }
|
---|
[1] | 925 | // read first line --- mdN : active raidX ............
|
---|
[43] | 926 | mdstat->el[mdstat->entries].md = atoi(p + 2);
|
---|
| 927 | log_msg(8, "Storing /dev/md%d's info", atoi(p + 2));
|
---|
| 928 | while (*p != ':' && *p) {
|
---|
| 929 | p++;
|
---|
| 930 | }
|
---|
| 931 | while ((*p != 'r' || *(p + 1) != 'a') && *p) {
|
---|
| 932 | p++;
|
---|
| 933 | }
|
---|
| 934 | if (!strncmp(p, "raid", 4)) {
|
---|
| 935 | mdstat->el[mdstat->entries].raidlevel = *(p + 4) - '0';
|
---|
| 936 | }
|
---|
| 937 | p += 4;
|
---|
| 938 | while (*p != ' ' && *p) {
|
---|
| 939 | p++;
|
---|
| 940 | }
|
---|
| 941 | while (*p == ' ' && *p) {
|
---|
| 942 | p++;
|
---|
| 943 | }
|
---|
| 944 | for (diskno = 0; *p; diskno++) {
|
---|
| 945 | asprintf(&stub, "%s", p);
|
---|
| 946 | q = strchr(stub, '[');
|
---|
| 947 | if (q) {
|
---|
| 948 | *q = '\0';
|
---|
| 949 | q++;
|
---|
| 950 | r = strchr(q, ']');
|
---|
| 951 | if (r) {
|
---|
| 952 | *r = '\0';
|
---|
| 953 | }
|
---|
| 954 | mdstat->el[mdstat->entries].disks.el[diskno].index =
|
---|
| 955 | atoi(q);
|
---|
| 956 | } else {
|
---|
| 957 | mdstat->el[mdstat->entries].disks.el[diskno].index = -1;
|
---|
| 958 | q = strchr(stub, ' ');
|
---|
| 959 | if (q) {
|
---|
| 960 | *q = '\0';
|
---|
| 961 | }
|
---|
| 962 | }
|
---|
| 963 | asprintf(&tmp, "/dev/%s", stub);
|
---|
| 964 | paranoid_free(stub);
|
---|
[45] | 965 |
|
---|
[43] | 966 | log_msg(8, "/dev/md%d : disk#%d : %s (%d)",
|
---|
| 967 | mdstat->el[mdstat->entries].md, diskno, tmp,
|
---|
| 968 | mdstat->el[mdstat->entries].disks.el[diskno].index);
|
---|
[45] | 969 | strcpy(mdstat->el[mdstat->entries].disks.el[diskno].device,
|
---|
| 970 | tmp);
|
---|
[43] | 971 | paranoid_free(tmp);
|
---|
[45] | 972 |
|
---|
[43] | 973 | while (*p != ' ' && *p) {
|
---|
| 974 | p++;
|
---|
| 975 | }
|
---|
| 976 | while (*p == ' ' && *p) {
|
---|
| 977 | p++;
|
---|
| 978 | }
|
---|
| 979 | }
|
---|
| 980 | mdstat->el[mdstat->entries].disks.entries = diskno;
|
---|
[1] | 981 | // next line --- skip it
|
---|
[43] | 982 | if (!feof(fin)) {
|
---|
[45] | 983 | getline(&incoming, &n, fin);
|
---|
[43] | 984 | } else {
|
---|
| 985 | continue;
|
---|
| 986 | }
|
---|
[1] | 987 | // next line --- the 'progress' line
|
---|
[43] | 988 | if (!feof(fin)) {
|
---|
[45] | 989 | getline(&incoming, &n, fin);
|
---|
[43] | 990 | } else {
|
---|
| 991 | continue;
|
---|
| 992 | }
|
---|
| 993 | // log_msg(1, "Percentage line = '%s'", incoming);
|
---|
| 994 | if (!(p = strchr(incoming, '\%'))) {
|
---|
| 995 | mdstat->el[mdstat->entries].progress = 999; // not found
|
---|
| 996 | } else if (strstr(incoming, "DELAYED")) {
|
---|
| 997 | mdstat->el[mdstat->entries].progress = -1; // delayed (therefore, stuck at 0%)
|
---|
| 998 | } else {
|
---|
| 999 | for (*p = '\0'; *p != ' '; p--);
|
---|
| 1000 | mdstat->el[mdstat->entries].progress = atoi(p);
|
---|
| 1001 | }
|
---|
| 1002 | log_msg(8, "progress =%d", mdstat->el[mdstat->entries].progress);
|
---|
| 1003 | mdstat->entries++;
|
---|
| 1004 | }
|
---|
| 1005 | fclose(fin);
|
---|
| 1006 | paranoid_free(incoming);
|
---|
| 1007 | return (0);
|
---|
[1] | 1008 | }
|
---|
| 1009 |
|
---|
| 1010 |
|
---|
| 1011 |
|
---|
[43] | 1012 | int create_raidtab_from_mdstat(char *raidtab_fname, char *mdstat_fname)
|
---|
[1] | 1013 | {
|
---|
[43] | 1014 | struct raidlist_itself *raidlist;
|
---|
| 1015 | struct s_mdstat *mdstat;
|
---|
| 1016 | int retval = 0;
|
---|
| 1017 | int i;
|
---|
[1] | 1018 |
|
---|
[43] | 1019 | raidlist = malloc(sizeof(struct raidlist_itself));
|
---|
| 1020 | mdstat = malloc(sizeof(struct s_mdstat));
|
---|
[1] | 1021 |
|
---|
[43] | 1022 | if (read_mdstat(mdstat, mdstat_fname)) {
|
---|
| 1023 | log_to_screen("Sorry, cannot read %s", mdstat_fname);
|
---|
| 1024 | return (1);
|
---|
| 1025 | }
|
---|
| 1026 |
|
---|
| 1027 | for (i = 0; i < mdstat->entries; i++) {
|
---|
| 1028 | sprintf(raidlist->el[i].raid_device, "/dev/md%d",
|
---|
| 1029 | mdstat->el[i].md);
|
---|
| 1030 | raidlist->el[i].raid_level = mdstat->el[i].raidlevel;
|
---|
| 1031 | raidlist->el[i].persistent_superblock = 1;
|
---|
| 1032 | raidlist->el[i].chunk_size = 4;
|
---|
| 1033 | memcpy((void *) &raidlist->el[i].data_disks,
|
---|
| 1034 | (void *) &mdstat->el[i].disks,
|
---|
| 1035 | sizeof(struct list_of_disks));
|
---|
| 1036 | // FIXME --- the above line does not allow for spare disks
|
---|
| 1037 | log_to_screen
|
---|
[507] | 1038 | (_("FIXME - create_raidtab_from_mdstat does not allow for spare disks"));
|
---|
[43] | 1039 | }
|
---|
| 1040 | raidlist->entries = i;
|
---|
| 1041 | retval += save_raidlist_to_raidtab(raidlist, raidtab_fname);
|
---|
| 1042 | return (retval);
|
---|
[1] | 1043 | }
|
---|
| 1044 |
|
---|
| 1045 |
|
---|
| 1046 | /* @} - end of raidGroup */
|
---|