Detail.c

   1 /*
   2  * mdadm - manage Linux "md" devices aka RAID arrays.
   3  *
   4  * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
   5  *
   6  *
   7  *    This program is free software; you can redistribute it and/or modify
   8  *    it under the terms of the GNU General Public License as published by
   9  *    the Free Software Foundation; either version 2 of the License, or
  10  *    (at your option) any later version.
  11  *
  12  *    This program is distributed in the hope that it will be useful,
  13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *    GNU General Public License for more details.
  16  *
  17  *    You should have received a copy of the GNU General Public License
  18  *    along with this program; if not, write to the Free Software
  19  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  *    Author: Neil Brown
  22  *    Email: <neilb@suse.de>
  23  */
  24
  25 #include        "mdadm.h"
  26 #include        "md_p.h"
  27 #include        "md_u.h"
  28 #include        <dirent.h>
  29
  30 int Detail(char *dev, int brief, int export, int test, char *homehost)
  31 {
  32         /*
  33          * Print out details for an md array by using
  34          * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
  35          */
  36
  37         int fd = open(dev, O_RDONLY);
  38         int vers;
  39         mdu_array_info_t array;
  40         mdu_disk_info_t *disks;
  41         int next;
  42         int d;
  43         time_t atime;
  44         char *c;
  45         char *devices = NULL;
  46         int spares = 0;
  47         struct stat stb;
  48         int is_26 = get_linux_version() >= 2006000;
  49         int is_rebuilding = 0;
  50         int failed = 0;
  51         struct supertype *st;
  52         int max_disks = MD_SB_DISKS; /* just a default */
  53         struct mdinfo info;
  54         struct mdinfo *sra;
  55         char *member = NULL;
  56         char *container = NULL;
  57
  58         int rv = test ? 4 : 1;
  59         int avail_disks = 0;
  60         char *avail;
  61
  62         if (fd < 0) {
  63                 fprintf(stderr, Name ": cannot open %s: %s\n",
  64                         dev, strerror(errno));
  65                 return rv;
  66         }
  67         vers = md_get_version(fd);
  68         if (vers < 0) {
  69                 fprintf(stderr, Name ": %s does not appear to be an md device\n",
  70                         dev);
  71                 close(fd);
  72                 return rv;
  73         }
  74         if (vers < 9000) {
  75                 fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
  76                         dev);
  77                 close(fd);
  78                 return rv;
  79         }
  80         if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
  81                 if (errno == ENODEV)
  82                         fprintf(stderr, Name ": md device %s does not appear to be active.\n",
  83                                 dev);
  84                 else
  85                         fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
  86                                 dev, strerror(errno));
  87                 close(fd);
  88                 return rv;
  89         }
  90         sra = sysfs_read(fd, 0, GET_VERSION);
  91         st = super_by_fd(fd);
  92
  93         if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
  94                 stb.st_rdev = 0;
  95         rv = 0;
  96
  97         if (st)
  98                 max_disks = st->max_devs;
  99
 100         if (sra && is_subarray(sra->text_version) &&
 101                 strchr(sra->text_version+1, '/')) {
 102                 /* This is a subarray of some container.
 103                  * We want the name of the container, and the member
 104                  */
 105                 char *s = strchr(sra->text_version+1, '/');
 106                 int dn;
 107                 *s++ = '\0';
 108                 member = s;
 109                 dn = devname2devnum(sra->text_version+1);
 110                 container = map_dev(dev2major(dn), dev2minor(dn), 1);
 111         }
 112
 113         /* try to load a superblock */
 114         if (st) for (d = 0; d < max_disks; d++) {
 115                 mdu_disk_info_t disk;
 116                 char *dv;
 117                 int fd2;
 118                 int err;
 119                 disk.number = d;
 120                 if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
 121                         continue;
 122                 if (d >= array.raid_disks &&
 123                     disk.major == 0 &&
 124                     disk.minor == 0)
 125                         continue;
 126
 127                 if (array.raid_disks > 0 &&
 128                     (disk.state & (1 << MD_DISK_ACTIVE)) == 0)
 129                         continue;
 130
 131                 dv = map_dev(disk.major, disk.minor, 1);
 132                 if (!dv)
 133                         continue;
 134
 135                 fd2 = dev_open(dv, O_RDONLY);
 136                 if (fd2 < 0)
 137                         continue;
 138
 139                 if (st->sb)
 140                         st->ss->free_super(st);
 141
 142                 err = st->ss->load_super(st, fd2, NULL);
 143                 close(fd2);
 144                 if (err)
 145                         continue;
 146                 st->ss->getinfo_super(st, &info, NULL);
 147
 148                 if (array.raid_disks != 0 && /* container */
 149                     (info.array.ctime != array.ctime ||
 150                      info.array.level != array.level)) {
 151                         st->ss->free_super(st);
 152                         continue;
 153                 }
 154                 /* some formats (imsm) have free-floating-spares
 155                  * with a uuid of uuid_match_any, they don't
 156                  * have very good info about the rest of the
 157                  * container, so keep searching when
 158                  * encountering such a device.  Otherwise, stop
 159                  * after the first successful call to
 160                  * ->load_super.
 161                  */
 162                 if (memcmp(uuid_match_any,
 163                            info.uuid,
 164                            sizeof(uuid_match_any)) == 0) {
 165                         st->ss->free_super(st);
 166                         continue;
 167                 }
 168                 break;
 169         }
 170
 171         /* Ok, we have some info to print... */
 172         c = map_num(pers, array.level);
 173
 174         if (export) {
 175                 if (array.raid_disks) {
 176                         if (c)
 177                                 printf("MD_LEVEL=%s\n", c);
 178                         printf("MD_DEVICES=%d\n", array.raid_disks);
 179                 } else {
 180                         printf("MD_LEVEL=container\n");
 181                         printf("MD_DEVICES=%d\n", array.nr_disks);
 182                 }
 183                 if (container) {
 184                         printf("MD_CONTAINER=%s\n", container);
 185                         printf("MD_MEMBER=%s\n", member);
 186                 } else {
 187                         if (sra && sra->array.major_version < 0)
 188                                 printf("MD_METADATA=%s\n", sra->text_version);
 189                         else
 190                                 printf("MD_METADATA=%d.%d\n",
 191                                        array.major_version, array.minor_version);
 192                 }
 193
 194                 if (st && st->sb) {
 195                         char nbuf[64];
 196                         struct map_ent *mp, *map = NULL;
 197
 198                         fname_from_uuid(st, &info, nbuf, ':');
 199                         printf("MD_UUID=%s\n", nbuf+5);
 200                         mp = map_by_uuid(&map, info.uuid);
 201                         if (mp && mp->path &&
 202                             strncmp(mp->path, "/dev/md/", 8) == 0)
 203                                 printf("MD_DEVNAME=%s\n", mp->path+8);
 204
 205                         if (st->ss->export_detail_super)
 206                                 st->ss->export_detail_super(st);
 207                 } else {
 208                         struct map_ent *mp, *map = NULL;
 209                         char nbuf[64];
 210                         mp = map_by_devnum(&map, fd2devnum(fd));
 211                         if (mp) {
 212                                 __fname_from_uuid(mp->uuid, 0, nbuf, ':');
 213                                 printf("MD_UUID=%s\n", nbuf+5);
 214                         }
 215                         if (mp && mp->path &&
 216                             strncmp(mp->path, "/dev/md/", 8) == 0)
 217                                 printf("MD_DEVNAME=%s\n", mp->path+8);
 218                 }
 219                 goto out;
 220         }
 221
 222         disks = malloc(max_disks * sizeof(mdu_disk_info_t));
 223         for (d=0; d<max_disks; d++) {
 224                 disks[d].state = (1<<MD_DISK_REMOVED);
 225                 disks[d].major = disks[d].minor = 0;
 226                 disks[d].number = disks[d].raid_disk = d;
 227         }
 228
 229         next = array.raid_disks;
 230         for (d=0; d < max_disks; d++) {
 231                 mdu_disk_info_t disk;
 232                 disk.number = d;
 233                 if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
 234                         if (d < array.raid_disks)
 235                                 fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
 236                                         d, strerror(errno));
 237                         continue;
 238                 }
 239                 if (disk.major == 0 && disk.minor == 0)
 240                         continue;
 241                 if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks)
 242                         disks[disk.raid_disk] = disk;
 243                 else if (next < max_disks)
 244                         disks[next++] = disk;
 245         }
 246
 247         avail = calloc(array.raid_disks, 1);
 248
 249         for (d= 0; d < array.raid_disks; d++) {
 250                 mdu_disk_info_t disk = disks[d];
 251
 252                 if ((disk.state & (1<<MD_DISK_SYNC))) {
 253                         avail_disks ++;
 254                         avail[d] = 1;
 255                 }
 256         }
 257
 258         if (brief) {
 259                 mdu_bitmap_file_t bmf;
 260                 printf("ARRAY %s", dev);
 261                 if (brief > 1) {
 262                         if (array.raid_disks)
 263                                 printf(" level=%s num-devices=%d",
 264                                        c?c:"-unknown-",
 265                                        array.raid_disks );
 266                         else
 267                                 printf(" level=container num-devices=%d",
 268                                        array.nr_disks);
 269                 }
 270                 if (container) {
 271                         printf(" container=%s", container);
 272                         printf(" member=%s", member);
 273                 } else {
 274                         if (sra && sra->array.major_version < 0)
 275                                 printf(" metadata=%s", sra->text_version);
 276                         else
 277                                 printf(" metadata=%d.%d",
 278                                        array.major_version, array.minor_version);
 279                 }
 280
 281                 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
 282                 if (vers >= 9001 &&
 283                     ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
 284                     bmf.pathname[0]) {
 285                         printf(" bitmap=%s", bmf.pathname);
 286                 }
 287         } else {
 288                 mdu_bitmap_file_t bmf;
 289                 unsigned long long larray_size;
 290                 struct mdstat_ent *ms = mdstat_read(0, 0);
 291                 struct mdstat_ent *e;
 292                 int devnum = array.md_minor;
 293                 if (major(stb.st_rdev) == (unsigned)get_mdp_major())
 294                         devnum = -1 - devnum;
 295
 296                 for (e=ms; e; e=e->next)
 297                         if (e->devnum == devnum)
 298                                 break;
 299                 if (!get_dev_size(fd, NULL, &larray_size))
 300                         larray_size = 0;
 301
 302                 printf("%s:\n", dev);
 303
 304                 if (container)
 305                         printf("      Container : %s, member %s\n", container, member);
 306                 else {
 307                 if (sra && sra->array.major_version < 0)
 308                         printf("        Version : %s\n", sra->text_version);
 309                 else
 310                         printf("        Version : %d.%d\n",
 311                                array.major_version, array.minor_version);
 312                 }
 313
 314                 atime = array.ctime;
 315                 if (atime)
 316                         printf("  Creation Time : %.24s\n", ctime(&atime));
 317                 if (array.raid_disks == 0) c = "container";
 318                 printf("     Raid Level : %s\n", c?c:"-unknown-");
 319                 if (larray_size)
 320                         printf("     Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
 321                 if (array.level >= 1) {
 322                         if (array.major_version != 0 &&
 323                             (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
 324                                 unsigned long long dsize = get_component_size(fd);
 325                                 if (dsize > 0)
 326                                         printf("  Used Dev Size : %llu%s\n",
 327                                                dsize/2,
 328                                          human_size((long long)dsize<<9));
 329                                 else
 330                                         printf("  Used Dev Size : unknown\n");
 331                         } else
 332                                 printf("  Used Dev Size : %d%s\n", array.size,
 333                                        human_size((long long)array.size<<10));
 334                 }
 335                 if (array.raid_disks)
 336                         printf("   Raid Devices : %d\n", array.raid_disks);
 337                 printf("  Total Devices : %d\n", array.nr_disks);
 338                 if (!container &&
 339                     ((sra == NULL && array.major_version == 0) ||
 340                      (sra && sra->array.major_version == 0)))
 341                         printf("Preferred Minor : %d\n", array.md_minor);
 342                 if (sra == NULL || sra->array.major_version >= 0)
 343                         printf("    Persistence : Superblock is %spersistent\n",
 344                                array.not_persistent?"not ":"");
 345                 printf("\n");
 346                 /* Only try GET_BITMAP_FILE for 0.90.01 and later */
 347                 if (vers >= 9001 &&
 348                     ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
 349                     bmf.pathname[0]) {
 350                         printf("  Intent Bitmap : %s\n", bmf.pathname);
 351                         printf("\n");
 352                 } else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
 353                         printf("  Intent Bitmap : Internal\n\n");
 354                 atime = array.utime;
 355                 if (atime)
 356                         printf("    Update Time : %.24s\n", ctime(&atime));
 357                 if (array.raid_disks) {
 358                         static char *sync_action[] = {", recovering",", resyncing",", reshaping",", checking"};
 359                         char *st;
 360                         if (avail_disks == array.raid_disks)
 361                                 st = "";
 362                         else if (!enough(array.level, array.raid_disks,
 363                                          array.layout, 1, avail, avail_disks))
 364                                 st = ", FAILED";
 365                         else
 366                                 st = ", degraded";
 367
 368                         printf("          State : %s%s%s%s\n",
 369                                (array.state&(1<<MD_SB_CLEAN))?"clean":"active",
 370                                st,
 371                                (!e || e->percent < 0) ? "" : sync_action[e->resync],
 372                                larray_size ? "": ", Not Started");
 373                 }
 374                 if (array.raid_disks)
 375                         printf(" Active Devices : %d\n", array.active_disks);
 376                 printf("Working Devices : %d\n", array.working_disks);
 377                 if (array.raid_disks) {
 378                         printf(" Failed Devices : %d\n", array.failed_disks);
 379                         printf("  Spare Devices : %d\n", array.spare_disks);
 380                 }
 381                 printf("\n");
 382                 if (array.level == 5) {
 383                         c = map_num(r5layout, array.layout);
 384                         printf("         Layout : %s\n", c?c:"-unknown-");
 385                 }
 386                 if (array.level == 6) {
 387                         c = map_num(r6layout, array.layout);
 388                         printf("         Layout : %s\n", c?c:"-unknown-");
 389                 }
 390                 if (array.level == 10) {
 391                         printf("         Layout :");
 392                         print_r10_layout(array.layout);
 393                         printf("\n");
 394                 }
 395                 switch (array.level) {
 396                 case 0:
 397                 case 4:
 398                 case 5:
 399                 case 10:
 400                 case 6:
 401                         if (array.chunk_size)
 402                                 printf("     Chunk Size : %dK\n\n",
 403                                        array.chunk_size/1024);
 404                         break;
 405                 case -1:
 406                         printf("       Rounding : %dK\n\n", array.chunk_size/1024);
 407                         break;
 408                 default: break;
 409                 }
 410
 411                 if (e && e->percent >= 0) {
 412                         printf(" Re%s Status : %d%% complete\n",
 413                                (st && st->sb && info.reshape_active)?
 414                                   "shape":"build",
 415                                e->percent);
 416                         is_rebuilding = 1;
 417                 }
 418                 free_mdstat(ms);
 419
 420                 if (st->sb && info.reshape_active) {
 421 #if 0
 422 This is pretty boring
 423                         printf("  Reshape pos'n : %llu%s\n", (unsigned long long) info.reshape_progress<<9,
 424                                human_size((unsigned long long)info.reshape_progress<<9));
 425 #endif
 426                         if (info.delta_disks > 0)
 427                                 printf("  Delta Devices : %d, (%d->%d)\n",
 428                                        info.delta_disks, array.raid_disks - info.delta_disks, array.raid_disks);
 429                         if (info.delta_disks < 0)
 430                                 printf("  Delta Devices : %d, (%d->%d)\n",
 431                                        info.delta_disks, array.raid_disks, array.raid_disks + info.delta_disks);
 432                         if (info.new_level != array.level) {
 433                                 char *c = map_num(pers, info.new_level);
 434                                 printf("      New Level : %s\n", c?c:"-unknown-");
 435                         }
 436                         if (info.new_level != array.level ||
 437                             info.new_layout != array.layout) {
 438                                 if (info.new_level == 5) {
 439                                         char *c = map_num(r5layout, info.new_layout);
 440                                         printf("     New Layout : %s\n",
 441                                                c?c:"-unknown-");
 442                                 }
 443                                 if (info.new_level == 6) {
 444                                         char *c = map_num(r6layout, info.new_layout);
 445                                         printf("     New Layout : %s\n",
 446                                                c?c:"-unknown-");
 447                                 }
 448                                 if (info.new_level == 10) {
 449                                         printf("     New Layout : near=%d, %s=%d\n",
 450                                                info.new_layout&255,
 451                                                (info.new_layout&0x10000)?"offset":"far",
 452                                                (info.new_layout>>8)&255);
 453                                 }
 454                         }
 455                         if (info.new_chunk != array.chunk_size)
 456                                 printf("  New Chunksize : %dK\n", info.new_chunk/1024);
 457                         printf("\n");
 458                 } else if (e && e->percent >= 0)
 459                         printf("\n");
 460                 if (st && st->sb)
 461                         st->ss->detail_super(st, homehost);
 462
 463                 if (array.raid_disks == 0 && sra && sra->array.major_version == -1
 464                     && sra->array.minor_version == -2 && sra->text_version[0] != '/') {
 465                         /* This looks like a container.  Find any active arrays
 466                          * That claim to be a member.
 467                          */
 468                         DIR *dir = opendir("/sys/block");
 469                         struct dirent *de;
 470
 471                         printf("  Member Arrays :");
 472
 473                         while (dir && (de = readdir(dir)) != NULL) {
 474                                 char path[200];
 475                                 char vbuf[1024];
 476                                 int nlen = strlen(sra->sys_name);
 477                                 int dn;
 478                                 if (de->d_name[0] == '.')
 479                                         continue;
 480                                 sprintf(path, "/sys/block/%s/md/metadata_version",
 481                                         de->d_name);
 482                                 if (load_sys(path, vbuf) < 0)
 483                                         continue;
 484                                 if (strncmp(vbuf, "external:", 9) != 0 ||
 485                                     !is_subarray(sra->sys_name+9) ||
 486                                     strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
 487                                     vbuf[10+nlen] != '/')
 488                                         continue;
 489                                 dn = devname2devnum(de->d_name);
 490                                 printf(" %s", map_dev(dev2major(dn),
 491                                                       dev2minor(dn), 1));
 492                         }
 493                         if (dir)
 494                                 closedir(dir);
 495                         printf("\n\n");
 496                 }
 497
 498                 if (array.raid_disks)
 499                         printf("    Number   Major   Minor   RaidDevice State\n");
 500                 else
 501                         printf("    Number   Major   Minor   RaidDevice\n");
 502         }
 503
 504         for (d= 0; d < max_disks; d++) {
 505                 char *dv;
 506                 mdu_disk_info_t disk = disks[d];
 507
 508                 if (d >= array.raid_disks &&
 509                     disk.major == 0 &&
 510                     disk.minor == 0)
 511                         continue;
 512                 if (!brief) {
 513                         if (d == array.raid_disks) printf("\n");
 514                         if (disk.raid_disk < 0)
 515                                 printf("   %5d   %5d    %5d        -     ",
 516                                        disk.number, disk.major, disk.minor);
 517                         else
 518                                 printf("   %5d   %5d    %5d    %5d     ",
 519                                        disk.number, disk.major, disk.minor, disk.raid_disk);
 520                 }
 521                 if (!brief && array.raid_disks) {
 522
 523                         if (disk.state & (1<<MD_DISK_FAULTY)) {
 524                                 printf(" faulty");
 525                                 if (disk.raid_disk < array.raid_disks &&
 526                                     disk.raid_disk >= 0)
 527                                         failed++;
 528                         }
 529                         if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
 530                         if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
 531                         if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
 532                         if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
 533                         if ((disk.state &
 534                              ((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)|(1<<MD_DISK_REMOVED)))
 535                             == 0) {
 536                                 printf(" spare");
 537                                 if (is_26) {
 538                                         if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
 539                                                 printf(" rebuilding");
 540                                 } else if (is_rebuilding && failed) {
 541                                         /* Taking a bit of a risk here, we remove the
 542                                          * device from the array, and then put it back.
 543                                          * If this fails, we are rebuilding
 544                                          */
 545                                         int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
 546                                         if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
 547                                         if (err && errno ==  EBUSY)
 548                                                 printf(" rebuilding");
 549                                 }
 550                         }
 551                 }
 552                 if (disk.state == 0) spares++;
 553                 if (test && d < array.raid_disks
 554                     && !(disk.state & (1<<MD_DISK_SYNC)))
 555                         rv |= 1;
 556                 if ((dv=map_dev(disk.major, disk.minor, 0))) {
 557                         if (brief) {
 558                                 if (devices) {
 559                                         devices = realloc(devices,
 560                                                           strlen(devices)+1+strlen(dv)+1);
 561                                         strcat(strcat(devices,","),dv);
 562                                 } else
 563                                         devices = strdup(dv);
 564                         } else
 565                                 printf("   %s", dv);
 566                 }
 567                 if (!brief) printf("\n");
 568         }
 569         if (spares && brief && array.raid_disks) printf(" spares=%d", spares);
 570         if (brief && st && st->sb)
 571                 st->ss->brief_detail_super(st);
 572         st->ss->free_super(st);
 573
 574         if (brief > 1 && devices) printf("\n   devices=%s", devices);
 575         if (brief) printf("\n");
 576         if (test &&
 577             !enough(array.level, array.raid_disks, array.layout,
 578                     1, avail, avail_disks))
 579                 rv = 2;
 580
 581         free(disks);
 582 out:
 583         close(fd);
 584         return rv;
 585 }
 586
 587 int Detail_Platform(struct superswitch *ss, int scan, int verbose)
 588 {
 589         /* display platform capabilities for the given metadata format
 590          * 'scan' in this context means iterate over all metadata types
 591          */
 592         int i;
 593         int err = 1;
 594
 595         if (ss && ss->detail_platform)
 596                 err = ss->detail_platform(verbose, 0);
 597         else if (ss) {
 598                 if (verbose)
 599                         fprintf(stderr, Name ": %s metadata is platform independent\n",
 600                                 ss->name ? : "[no name]");
 601         } else if (!scan) {
 602                 if (verbose)
 603                         fprintf(stderr, Name ": specify a metadata type or --scan\n");
 604         }
 605
 606         if (!scan)
 607                 return err;
 608
 609         for (i = 0; superlist[i]; i++) {
 610                 struct superswitch *meta = superlist[i];
 611
 612                 if (meta == ss)
 613                         continue;
 614                 if (verbose)
 615                         fprintf(stderr, Name ": checking metadata %s\n",
 616                                 meta->name ? : "[no name]");
 617                 if (!meta->detail_platform) {
 618                         if (verbose)
 619                                 fprintf(stderr, Name ": %s metadata is platform independent\n",
 620                                         meta->name ? : "[no name]");
 621                 } else
 622                         err |= meta->detail_platform(verbose, 0);
 623         }
 624
 625         return err;
 626 }