2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
13 * Institution: The Information Technology Center, Carnegie-Mellon University
17 /* Main program file. Define globals. */
20 #include <afsconfig.h>
21 #include <afs/param.h>
23 #include <afs/procmgmt.h>
35 #include <WINNT/afsevent.h>
37 #include <sys/param.h>
41 #endif /* ITIMER_REAL */
44 #define WCOREDUMP(x) ((x) & 0200)
47 #include <afs/afsint.h>
48 #include <afs/afs_assert.h>
49 #if !defined(AFS_SGI_ENV) && !defined(AFS_NT40_ENV)
50 #if defined(AFS_VFSINCL_ENV)
51 #include <sys/vnode.h>
53 #include <sys/fs/ufs_inode.h>
55 #if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
56 #include <ufs/ufs/dinode.h>
57 #include <ufs/ffs/fs.h>
59 #include <ufs/inode.h>
62 #else /* AFS_VFSINCL_ENV */
64 #include <ufs/inode.h>
65 #else /* AFS_OSF_ENV */
66 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_XBSD_ENV) && !defined(AFS_ARM_DARWIN_ENV)
67 #include <sys/inode.h>
70 #endif /* AFS_VFSINCL_ENV */
71 #endif /* AFS_SGI_ENV */
74 #include <sys/lockf.h>
78 #include <checklist.h>
80 #if defined(AFS_SGI_ENV)
85 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
88 #include <sys/mnttab.h>
89 #include <sys/mntent.h>
94 #endif /* AFS_SGI_ENV */
95 #endif /* AFS_HPUX_ENV */
100 #include <afs/osi_inode.h>
104 #include <afs/afsutil.h>
105 #include <afs/fileutil.h>
113 #include <afs/afssyscalls.h>
117 #include "partition.h"
118 #include "daemon_com.h"
120 #include "salvsync.h"
121 #include "viceinode.h"
123 #include "vol-salvage.h"
127 pthread_t main_thread;
130 static int get_salvage_lock = 0;
133 handleit(struct cmd_syndesc *as, void *arock)
136 char pname[100], *temp;
137 afs_int32 seenpart = 0, seenvol = 0;
142 afs_int32 seenany = 0;
145 VolumePackageOptions opts;
146 struct DiskPartition64 *partP;
148 #ifdef AFS_SGI_VNODE_GLUE
149 if (afs_init_kernel_config(-1) < 0) {
151 ("Can't determine NUMA configuration, not starting salvager.\n");
159 for (i = 0; i < CMD_MAXPARMS; i++) {
160 if (as->parms[i].items) {
168 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
179 #endif /* FAST_RESTART */
180 if ((ti = as->parms[0].items)) { /* -partition */
182 strncpy(pname, ti->data, 100);
184 if ((ti = as->parms[1].items)) { /* -volumeid */
189 ("You must also specify '-partition' option with the '-volumeid' option\n");
193 vid_l = strtoul(ti->data, &end, 10);
194 if (vid_l >= MAX_AFS_UINT32 || vid_l == ULONG_MAX || *end != '\0') {
195 Log("salvage: invalid volume id specified; salvage aborted\n");
198 vid = (VolumeId)vid_l;
200 if (as->parms[2].items) /* -debug */
202 if (as->parms[3].items) /* -nowrite */
204 if (as->parms[4].items) /* -inodes */
206 if (as->parms[5].items || as->parms[21].items) /* -force, -f */
208 if (as->parms[6].items) /* -oktozap */
210 if (as->parms[7].items) /* -rootinodes */
212 if (as->parms[8].items) /* -RebuildDirs */
214 if (as->parms[9].items) /* -ForceReads */
216 if ((ti = as->parms[10].items)) { /* -Parallel # */
218 if (strncmp(temp, "all", 3) == 0) {
222 if (strlen(temp) != 0) {
223 Parallel = atoi(temp);
226 if (Parallel > MAXPARALLEL) {
227 printf("Setting parallel salvages to maximum of %d \n",
229 Parallel = MAXPARALLEL;
233 if ((ti = as->parms[11].items)) { /* -tmpdir */
237 dirp = opendir(tmpdir);
240 ("Can't open temporary placeholder dir %s; using current partition \n",
246 if ((ti = as->parms[12].items)) /* -showlog */
248 if ((ti = as->parms[13].items)) { /* -log */
253 if ((ti = as->parms[14].items)) { /* -showmounts */
258 if ((ti = as->parms[15].items)) { /* -orphans */
260 orphans = ORPH_IGNORE;
261 else if (strcmp(ti->data, "remove") == 0
262 || strcmp(ti->data, "r") == 0)
263 orphans = ORPH_REMOVE;
264 else if (strcmp(ti->data, "attach") == 0
265 || strcmp(ti->data, "a") == 0)
266 orphans = ORPH_ATTACH;
268 #ifndef AFS_NT40_ENV /* ignore options on NT */
269 if ((ti = as->parms[16].items)) { /* -syslog */
273 if ((ti = as->parms[17].items)) { /* -syslogfacility */
274 useSyslogFacility = atoi(ti->data);
277 if ((ti = as->parms[18].items)) { /* -datelogs */
278 TimeStampLogFile((char *)AFSDIR_SERVER_SLVGLOG_FILEPATH);
283 if (ti = as->parms[19].items) { /* -DontSalvage */
285 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
297 /* Note: if seenvol we initialize this as a standard volume utility: this has the
298 * implication that the file server may be running; negotations have to be made with
299 * the file server in this case to take the read write volume and associated read-only
300 * volumes off line before salvaging */
303 if (afs_winsockInit() < 0) {
304 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0,
305 AFSDIR_SALVAGER_FILE, 0);
306 Log("Failed to initailize winsock, exiting.\n");
318 VOptDefaults(pt, &opts);
319 if (VInitVolumePackage2(pt, &opts)) {
320 Log("errors encountered initializing volume package; salvage aborted\n");
324 /* defer lock until we init volume package */
325 if (get_salvage_lock) {
326 if (seenvol && AskDAFS()) /* support forceDAFS */
327 ObtainSharedSalvageLock();
333 * Ok to defer this as Exit will clean up and no real work is done
334 * init'ing volume package
338 #ifdef AFS_DEMAND_ATTACH_FS
341 "The DAFS dasalvager cannot be run with a non-DAFS fileserver. Please use 'salvager'.";
343 if (!msg && !as->parms[20].items) {
345 "The standalone salvager cannot be run concurrently with a Demand Attach Fileserver. Please use 'salvageserver -client <partition> <volume id>' to manually schedule volume salvages with the salvageserver (new versions of 'bos salvage' automatically do this for you). Or, if you insist on using the standalone salvager, add the -forceDAFS flag to your salvager command line.";
350 "The non-DAFS salvager cannot be run with a Demand Attach Fileserver. Please use 'salvageserver -client <partition> <volume id>' to manually schedule volume salvages with the salvageserver (new versions of 'bos salvage' automatically do this for you). Or, if you insist on using the standalone salvager, run dasalvager with the -forceDAFS flag.";
367 if (myjob.cj_number != NOT_CHILD) {
370 (void)strcpy(pname, myjob.cj_part);
375 for (partP = DiskPartitionList; partP; partP = partP->next) {
376 SalvageFileSysParallel(partP);
378 SalvageFileSysParallel(0);
380 partP = VGetPartition(pname, 0);
382 Log("salvage: Unknown or unmounted partition %s; salvage aborted\n", pname);
386 SalvageFileSys(partP, 0);
388 /* Salvage individual volume */
389 SalvageFileSys(partP, vid);
397 #include "AFS_component_version_number.c"
401 main(int argc, char **argv)
403 struct cmd_syndesc *ts;
406 extern char cml_version_number[];
410 * The following signal action for AIX is necessary so that in case of a
411 * crash (i.e. core is generated) we can include the user's data section
412 * in the core dump. Unfortunately, by default, only a partial core is
413 * generated which, in many cases, isn't too useful.
415 struct sigaction nsa;
417 sigemptyset(&nsa.sa_mask);
418 nsa.sa_handler = SIG_DFL;
419 nsa.sa_flags = SA_FULLDUMP;
420 sigaction(SIGABRT, &nsa, NULL);
421 sigaction(SIGSEGV, &nsa, NULL);
424 /* Initialize directory paths */
425 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
427 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
429 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
434 /* Default to binary mode for fopen() */
435 _set_fmode(_O_BINARY);
437 main_thread = pthread_self();
438 if (spawnDatap && spawnDataLen) {
439 /* This is a child per partition salvager. Don't setup log or
440 * try to lock the salvager lock.
442 if (nt_SetupPartitionSalvage(spawnDatap, spawnDataLen) < 0)
446 /* All entries to the log will be appended. Useful if there are
447 * multiple salvagers appending to the log.
450 CheckLogFile((char *)AFSDIR_SERVER_SLVGLOG_FILEPATH);
452 #ifdef AFS_LINUX20_ENV
453 fcntl(fileno(logFile), F_SETFL, O_APPEND); /* Isn't this redundant? */
455 fcntl(fileno(logFile), F_SETFL, FAPPEND); /* Isn't this redundant? */
461 if (geteuid() != 0) {
462 printf("Salvager must be run as root.\n");
468 /* bad for normal help flag processing, but can do nada */
470 fprintf(logFile, "%s\n", cml_version_number);
471 LogCommandLine(argc, argv, "SALVAGER", SalvageVersion, "STARTING AFS",
474 /* Get and hold a lock for the duration of the salvage to make sure
475 * that no other salvage runs at the same time. The routine
476 * VInitVolumePackage2 (called below) makes sure that a file server or
477 * other volume utilities don't interfere with the salvage.
479 get_salvage_lock = 1;
484 ts = cmd_CreateSyntax("initcmd", handleit, NULL, "initialize the program");
485 cmd_AddParm(ts, "-partition", CMD_SINGLE, CMD_OPTIONAL,
486 "Name of partition to salvage");
487 cmd_AddParm(ts, "-volumeid", CMD_SINGLE, CMD_OPTIONAL,
488 "Volume Id to salvage");
489 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL,
490 "Run in Debugging mode");
491 cmd_AddParm(ts, "-nowrite", CMD_FLAG, CMD_OPTIONAL,
492 "Run readonly/test mode");
493 cmd_AddParm(ts, "-inodes", CMD_FLAG, CMD_OPTIONAL,
494 "Just list affected afs inodes - debugging flag");
495 cmd_AddParm(ts, "-force", CMD_FLAG, CMD_OPTIONAL, "Force full salvaging");
496 cmd_AddParm(ts, "-oktozap", CMD_FLAG, CMD_OPTIONAL,
497 "Give permission to destroy bogus inodes/volumes - debugging flag");
498 cmd_AddParm(ts, "-rootinodes", CMD_FLAG, CMD_OPTIONAL,
499 "Show inodes owned by root - debugging flag");
500 cmd_AddParm(ts, "-salvagedirs", CMD_FLAG, CMD_OPTIONAL,
501 "Force rebuild/salvage of all directories");
502 cmd_AddParm(ts, "-blockreads", CMD_FLAG, CMD_OPTIONAL,
503 "Read smaller blocks to handle IO/bad blocks");
504 cmd_AddParm(ts, "-parallel", CMD_SINGLE, CMD_OPTIONAL,
505 "# of max parallel partition salvaging");
506 cmd_AddParm(ts, "-tmpdir", CMD_SINGLE, CMD_OPTIONAL,
507 "Name of dir to place tmp files ");
508 cmd_AddParm(ts, "-showlog", CMD_FLAG, CMD_OPTIONAL,
509 "Show log file upon completion");
510 cmd_AddParm(ts, "-showsuid", CMD_FLAG, CMD_OPTIONAL,
511 "Report on suid/sgid files");
512 cmd_AddParm(ts, "-showmounts", CMD_FLAG, CMD_OPTIONAL,
513 "Report on mountpoints");
514 cmd_AddParm(ts, "-orphans", CMD_SINGLE, CMD_OPTIONAL,
515 "ignore | remove | attach");
517 /* note - syslog isn't avail on NT, but if we make it conditional, have
518 * to deal with screwy offsets for cmd params */
519 cmd_AddParm(ts, "-syslog", CMD_FLAG, CMD_OPTIONAL,
520 "Write salvage log to syslogs");
521 cmd_AddParm(ts, "-syslogfacility", CMD_SINGLE, CMD_OPTIONAL,
522 "Syslog facility number to use");
523 cmd_AddParm(ts, "-datelogs", CMD_FLAG, CMD_OPTIONAL,
524 "Include timestamp in logfile filename");
526 cmd_AddParm(ts, "-DontSalvage", CMD_FLAG, CMD_OPTIONAL,
527 "Don't salvage. This my be set in BosConfig to let the fileserver restart immediately after a crash. Bad volumes will be taken offline");
528 #elif defined(AFS_DEMAND_ATTACH_FS)
529 cmd_Seek(ts, 20); /* skip DontSalvage */
530 cmd_AddParm(ts, "-forceDAFS", CMD_FLAG, CMD_OPTIONAL,
531 "For Demand Attach Fileserver, permit a manual volume salvage outside of the salvageserver");
532 #endif /* FAST_RESTART */
533 cmd_Seek(ts, 21); /* skip DontSalvage and forceDAFS if needed */
534 cmd_AddParm(ts, "-f", CMD_FLAG, CMD_OPTIONAL, "Alias for -force");
535 err = cmd_Dispatch(argc, argv);
537 return 0; /* not reached */