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>
26 #ifdef HAVE_SYS_FILE_H
31 #include <WINNT/afsevent.h>
35 #define WCOREDUMP(x) ((x) & 0200)
39 #include <afs/afsint.h>
40 #if !defined(AFS_SGI_ENV) && !defined(AFS_NT40_ENV)
41 #if defined(AFS_VFSINCL_ENV)
42 #include <sys/vnode.h>
44 #include <sys/fs/ufs_inode.h>
46 #if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
47 #include <ufs/ufs/dinode.h>
48 #include <ufs/ffs/fs.h>
50 #include <ufs/inode.h>
53 #else /* AFS_VFSINCL_ENV */
55 #include <ufs/inode.h>
56 #else /* AFS_OSF_ENV */
57 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_XBSD_ENV) && !defined(AFS_DARWIN_ENV)
58 #include <sys/inode.h>
61 #endif /* AFS_VFSINCL_ENV */
62 #endif /* AFS_SGI_ENV */
65 #include <sys/lockf.h>
68 #include <checklist.h>
70 #if defined(AFS_SGI_ENV)
73 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
75 #include <sys/mnttab.h>
76 #include <sys/mntent.h>
81 #endif /* AFS_SGI_ENV */
82 #endif /* AFS_HPUX_ENV */
86 #include <afs/osi_inode.h>
90 #include <afs/afsutil.h>
91 #include <afs/fileutil.h>
92 #include <rx/rx_queue.h>
97 #include <afs/afssyscalls.h>
101 #include "partition.h"
102 #include "daemon_com.h"
104 #include "salvsync.h"
105 #include "viceinode.h"
107 #include "vol-salvage.h"
111 pthread_t main_thread;
114 static int get_salvage_lock = 0;
117 handleit(struct cmd_syndesc *as, void *arock)
120 char pname[100], *temp;
121 afs_int32 seenpart = 0, seenvol = 0;
126 afs_int32 seenany = 0;
129 VolumePackageOptions opts;
130 struct DiskPartition64 *partP;
132 #ifdef AFS_SGI_VNODE_GLUE
133 if (afs_init_kernel_config(-1) < 0) {
135 ("Can't determine NUMA configuration, not starting salvager.\n");
143 for (i = 0; i < CMD_MAXPARMS; i++) {
144 if (as->parms[i].items) {
152 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
163 #endif /* FAST_RESTART */
164 if ((ti = as->parms[0].items)) { /* -partition */
166 strncpy(pname, ti->data, 100);
168 if ((ti = as->parms[1].items)) { /* -volumeid */
173 ("You must also specify '-partition' option with the '-volumeid' option\n");
177 vid_l = strtoul(ti->data, &end, 10);
178 if (vid_l >= MAX_AFS_UINT32 || vid_l == ULONG_MAX || *end != '\0') {
179 Log("salvage: invalid volume id specified; salvage aborted\n");
182 vid = (VolumeId)vid_l;
184 if (as->parms[2].items) /* -debug */
186 if (as->parms[3].items) /* -nowrite */
188 if (as->parms[4].items) /* -inodes */
190 if (as->parms[5].items || as->parms[21].items) /* -force, -f */
192 if (as->parms[6].items) /* -oktozap */
194 if (as->parms[7].items) /* -rootinodes */
196 if (as->parms[8].items) /* -RebuildDirs */
198 if (as->parms[9].items) /* -ForceReads */
200 if ((ti = as->parms[10].items)) { /* -Parallel # */
202 if (strncmp(temp, "all", 3) == 0) {
206 if (strlen(temp) != 0) {
207 Parallel = atoi(temp);
210 if (Parallel > MAXPARALLEL) {
211 printf("Setting parallel salvages to maximum of %d \n",
213 Parallel = MAXPARALLEL;
217 if ((ti = as->parms[11].items)) { /* -tmpdir */
221 dirp = opendir(tmpdir);
224 ("Can't open temporary placeholder dir %s; using current partition \n",
230 if ((ti = as->parms[12].items)) /* -showlog */
232 if ((ti = as->parms[13].items)) { /* -showsuid */
237 if ((ti = as->parms[14].items)) { /* -showmounts */
242 if ((ti = as->parms[15].items)) { /* -orphans */
244 orphans = ORPH_IGNORE;
245 else if (strcmp(ti->data, "remove") == 0
246 || strcmp(ti->data, "r") == 0)
247 orphans = ORPH_REMOVE;
248 else if (strcmp(ti->data, "attach") == 0
249 || strcmp(ti->data, "a") == 0)
250 orphans = ORPH_ATTACH;
252 #ifndef AFS_NT40_ENV /* ignore options on NT */
253 if ((ti = as->parms[16].items)) { /* -syslog */
257 if ((ti = as->parms[17].items)) { /* -syslogfacility */
258 useSyslogFacility = atoi(ti->data);
261 if ((ti = as->parms[18].items)) { /* -datelogs */
262 TimeStampLogFile((char *)AFSDIR_SERVER_SLVGLOG_FILEPATH);
267 if (ti = as->parms[19].items) { /* -DontSalvage */
269 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
281 /* Note: if seenvol we initialize this as a standard volume utility: this has the
282 * implication that the file server may be running; negotations have to be made with
283 * the file server in this case to take the read write volume and associated read-only
284 * volumes off line before salvaging */
287 if (afs_winsockInit() < 0) {
288 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0,
289 AFSDIR_SALVAGER_FILE, 0);
290 Log("Failed to initailize winsock, exiting.\n");
302 VOptDefaults(pt, &opts);
303 if (VInitVolumePackage2(pt, &opts)) {
304 Log("errors encountered initializing volume package; salvage aborted\n");
308 /* defer lock until we init volume package */
309 if (get_salvage_lock) {
310 if (seenvol && AskDAFS()) /* support forceDAFS */
311 ObtainSharedSalvageLock();
317 * Ok to defer this as Exit will clean up and no real work is done
318 * init'ing volume package
322 #ifdef AFS_DEMAND_ATTACH_FS
325 "The DAFS dasalvager cannot be run with a non-DAFS fileserver. Please use 'salvager'.";
327 if (!msg && !as->parms[20].items) {
329 "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.";
334 "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.";
351 if (myjob.cj_number != NOT_CHILD) {
354 (void)strcpy(pname, myjob.cj_part);
359 for (partP = DiskPartitionList; partP; partP = partP->next) {
360 SalvageFileSysParallel(partP);
362 SalvageFileSysParallel(0);
364 partP = VGetPartition(pname, 0);
366 Log("salvage: Unknown or unmounted partition %s; salvage aborted\n", pname);
370 SalvageFileSys(partP, 0);
372 /* Salvage individual volume */
373 SalvageFileSys(partP, vid);
381 #include "AFS_component_version_number.c"
385 main(int argc, char **argv)
387 struct cmd_syndesc *ts;
390 extern char cml_version_number[];
394 * The following signal action for AIX is necessary so that in case of a
395 * crash (i.e. core is generated) we can include the user's data section
396 * in the core dump. Unfortunately, by default, only a partial core is
397 * generated which, in many cases, isn't too useful.
399 struct sigaction nsa;
401 sigemptyset(&nsa.sa_mask);
402 nsa.sa_handler = SIG_DFL;
403 nsa.sa_flags = SA_FULLDUMP;
404 sigaction(SIGABRT, &nsa, NULL);
405 sigaction(SIGSEGV, &nsa, NULL);
408 /* Initialize directory paths */
409 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
411 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
413 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
418 /* Default to binary mode for fopen() */
419 _set_fmode(_O_BINARY);
421 main_thread = pthread_self();
422 if (spawnDatap && spawnDataLen) {
423 /* This is a child per partition salvager. Don't setup log or
424 * try to lock the salvager lock.
426 if (nt_SetupPartitionSalvage(spawnDatap, spawnDataLen) < 0)
430 /* All entries to the log will be appended. Useful if there are
431 * multiple salvagers appending to the log.
434 CheckLogFile((char *)AFSDIR_SERVER_SLVGLOG_FILEPATH);
436 #ifdef AFS_LINUX20_ENV
437 fcntl(fileno(logFile), F_SETFL, O_APPEND); /* Isn't this redundant? */
439 fcntl(fileno(logFile), F_SETFL, FAPPEND); /* Isn't this redundant? */
445 if (geteuid() != 0) {
446 printf("Salvager must be run as root.\n");
452 /* bad for normal help flag processing, but can do nada */
454 fprintf(logFile, "%s\n", cml_version_number);
455 LogCommandLine(argc, argv, "SALVAGER", SalvageVersion, "STARTING AFS",
458 /* Get and hold a lock for the duration of the salvage to make sure
459 * that no other salvage runs at the same time. The routine
460 * VInitVolumePackage2 (called below) makes sure that a file server or
461 * other volume utilities don't interfere with the salvage.
463 get_salvage_lock = 1;
468 ts = cmd_CreateSyntax("initcmd", handleit, NULL, "initialize the program");
469 cmd_AddParm(ts, "-partition", CMD_SINGLE, CMD_OPTIONAL,
470 "Name of partition to salvage");
471 cmd_AddParm(ts, "-volumeid", CMD_SINGLE, CMD_OPTIONAL,
472 "Volume Id to salvage");
473 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL,
474 "Run in Debugging mode");
475 cmd_AddParm(ts, "-nowrite", CMD_FLAG, CMD_OPTIONAL,
476 "Run readonly/test mode");
477 cmd_AddParm(ts, "-inodes", CMD_FLAG, CMD_OPTIONAL,
478 "Just list affected afs inodes - debugging flag");
479 cmd_AddParm(ts, "-force", CMD_FLAG, CMD_OPTIONAL, "Force full salvaging");
480 cmd_AddParm(ts, "-oktozap", CMD_FLAG, CMD_OPTIONAL,
481 "Give permission to destroy bogus inodes/volumes - debugging flag");
482 cmd_AddParm(ts, "-rootinodes", CMD_FLAG, CMD_OPTIONAL,
483 "Show inodes owned by root - debugging flag");
484 cmd_AddParm(ts, "-salvagedirs", CMD_FLAG, CMD_OPTIONAL,
485 "Force rebuild/salvage of all directories");
486 cmd_AddParm(ts, "-blockreads", CMD_FLAG, CMD_OPTIONAL,
487 "Read smaller blocks to handle IO/bad blocks");
488 cmd_AddParm(ts, "-parallel", CMD_SINGLE, CMD_OPTIONAL,
489 "# of max parallel partition salvaging");
490 cmd_AddParm(ts, "-tmpdir", CMD_SINGLE, CMD_OPTIONAL,
491 "Name of dir to place tmp files ");
492 cmd_AddParm(ts, "-showlog", CMD_FLAG, CMD_OPTIONAL,
493 "Show log file upon completion");
494 cmd_AddParm(ts, "-showsuid", CMD_FLAG, CMD_OPTIONAL,
495 "Report on suid/sgid files");
496 cmd_AddParm(ts, "-showmounts", CMD_FLAG, CMD_OPTIONAL,
497 "Report on mountpoints");
498 cmd_AddParm(ts, "-orphans", CMD_SINGLE, CMD_OPTIONAL,
499 "ignore | remove | attach");
501 /* note - syslog isn't avail on NT, but if we make it conditional, have
502 * to deal with screwy offsets for cmd params */
503 cmd_AddParm(ts, "-syslog", CMD_FLAG, CMD_OPTIONAL,
504 "Write salvage log to syslogs");
505 cmd_AddParm(ts, "-syslogfacility", CMD_SINGLE, CMD_OPTIONAL,
506 "Syslog facility number to use");
507 cmd_AddParm(ts, "-datelogs", CMD_FLAG, CMD_OPTIONAL,
508 "Include timestamp in logfile filename");
510 cmd_AddParm(ts, "-DontSalvage", CMD_FLAG, CMD_OPTIONAL,
511 "Don't salvage. This my be set in BosConfig to let the fileserver restart immediately after a crash. Bad volumes will be taken offline");
512 #elif defined(AFS_DEMAND_ATTACH_FS)
513 cmd_Seek(ts, 20); /* skip DontSalvage */
514 cmd_AddParm(ts, "-forceDAFS", CMD_FLAG, CMD_OPTIONAL,
515 "For Demand Attach Fileserver, permit a manual volume salvage outside of the salvageserver");
516 #endif /* FAST_RESTART */
517 cmd_Seek(ts, 21); /* skip DontSalvage and forceDAFS if needed */
518 cmd_AddParm(ts, "-f", CMD_FLAG, CMD_OPTIONAL, "Alias for -force");
519 err = cmd_Dispatch(argc, argv);
521 return 0; /* not reached */