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>
35 #include <WINNT/afsevent.h>
37 #include <sys/param.h>
41 #endif /* ITIMER_REAL */
43 #if defined(AFS_AIX_ENV) || defined(AFS_SUN4_ENV)
44 #define WCOREDUMP(x) (x & 0200)
47 #include <afs/afsint.h>
48 #include <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)
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>
103 #include <afs/afsutil.h>
104 #include <afs/fileutil.h>
105 #include <afs/procmgmt.h> /* signal(), kill(), wait(), etc. */
113 #include <afs/afssyscalls.h>
117 #include "partition.h"
118 #include "daemon_com.h"
120 #include "salvsync.h"
121 #include "viceinode.h"
123 #include "volinodes.h" /* header magic number, etc. stuff */
124 #include "vol-salvage.h"
130 static int get_salvage_lock = 0;
133 /* Forward declarations */
134 /*@printflike@*/ void Log(const char *format, ...);
135 /*@printflike@*/ void Abort(const char *format, ...);
139 handleit(struct cmd_syndesc *as)
141 register struct cmd_item *ti;
142 char pname[100], *temp;
143 afs_int32 seenpart = 0, seenvol = 0, vid = 0, seenany = 0;
144 struct DiskPartition *partP;
146 #ifdef AFS_SGI_VNODE_GLUE
147 if (afs_init_kernel_config(-1) < 0) {
149 ("Can't determine NUMA configuration, not starting salvager.\n");
157 for (i = 0; i < CMD_MAXPARMS; i++) {
158 if (as->parms[i].items) {
166 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
175 #endif /* FAST_RESTART */
176 if ((ti = as->parms[0].items)) { /* -partition */
178 strncpy(pname, ti->data, 100);
180 if ((ti = as->parms[1].items)) { /* -volumeid */
183 ("You must also specify '-partition' option with the '-volumeid' option\n");
187 vid = atoi(ti->data);
189 if (as->parms[2].items) /* -debug */
191 if (as->parms[3].items) /* -nowrite */
193 if (as->parms[4].items) /* -inodes */
195 if (as->parms[5].items) /* -force */
197 if (as->parms[6].items) /* -oktozap */
199 if (as->parms[7].items) /* -rootinodes */
201 if (as->parms[8].items) /* -RebuildDirs */
203 if (as->parms[9].items) /* -ForceReads */
205 if ((ti = as->parms[10].items)) { /* -Parallel # */
207 if (strncmp(temp, "all", 3) == 0) {
211 if (strlen(temp) != 0) {
212 Parallel = atoi(temp);
215 if (Parallel > MAXPARALLEL) {
216 printf("Setting parallel salvages to maximum of %d \n",
218 Parallel = MAXPARALLEL;
222 if ((ti = as->parms[11].items)) { /* -tmpdir */
226 dirp = opendir(tmpdir);
229 ("Can't open temporary placeholder dir %s; using current partition \n",
235 if ((ti = as->parms[12].items)) /* -showlog */
237 if ((ti = as->parms[13].items)) { /* -log */
242 if ((ti = as->parms[14].items)) { /* -showmounts */
247 if ((ti = as->parms[15].items)) { /* -orphans */
249 orphans = ORPH_IGNORE;
250 else if (strcmp(ti->data, "remove") == 0
251 || strcmp(ti->data, "r") == 0)
252 orphans = ORPH_REMOVE;
253 else if (strcmp(ti->data, "attach") == 0
254 || strcmp(ti->data, "a") == 0)
255 orphans = ORPH_ATTACH;
257 #ifndef AFS_NT40_ENV /* ignore options on NT */
258 if ((ti = as->parms[16].items)) { /* -syslog */
262 if ((ti = as->parms[17].items)) { /* -syslogfacility */
263 useSyslogFacility = atoi(ti->data);
266 if ((ti = as->parms[18].items)) { /* -datelogs */
267 TimeStampLogFile(AFSDIR_SERVER_SLVGLOG_FILEPATH);
272 if (ti = as->parms[19].items) { /* -DontSalvage */
274 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
282 #elif defined(DEMAND_ATTACH_ENABLE)
283 if (seenvol && !as->parms[19].items) {
285 "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.";
295 if (get_salvage_lock) {
299 /* Note: if seenvol we initialize this as a standard volume utility: this has the
300 * implication that the file server may be running; negotations have to be made with
301 * the file server in this case to take the read write volume and associated read-only
302 * volumes off line before salvaging */
305 if (afs_winsockInit() < 0) {
306 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0,
307 AFSDIR_SALVAGER_FILE, 0);
308 Log("Failed to initailize winsock, exiting.\n");
313 VInitVolumePackage(seenvol ? volumeUtility : salvager, 5, 5,
317 if (myjob.cj_number != NOT_CHILD) {
320 (void)strcpy(pname, myjob.cj_part);
325 for (partP = DiskPartitionList; partP; partP = partP->next) {
326 SalvageFileSysParallel(partP);
328 SalvageFileSysParallel(0);
330 partP = VGetPartition(pname, 0);
332 Log("salvage: Unknown or unmounted partition %s; salvage aborted\n", pname);
336 SalvageFileSys(partP, 0);
338 /* Salvage individual volume */
340 Log("salvage: invalid volume id specified; salvage aborted\n");
343 SalvageFileSys(partP, vid);
351 #include "AFS_component_version_number.c"
355 char *save_args[MAX_ARGS];
357 pthread_t main_thread;
361 main(int argc, char **argv)
363 struct cmd_syndesc *ts;
365 char commandLine[150];
368 extern char cml_version_number[];
372 * The following signal action for AIX is necessary so that in case of a
373 * crash (i.e. core is generated) we can include the user's data section
374 * in the core dump. Unfortunately, by default, only a partial core is
375 * generated which, in many cases, isn't too useful.
377 struct sigaction nsa;
379 sigemptyset(&nsa.sa_mask);
380 nsa.sa_handler = SIG_DFL;
381 nsa.sa_flags = SA_FULLDUMP;
382 sigaction(SIGABRT, &nsa, NULL);
383 sigaction(SIGSEGV, &nsa, NULL);
386 /* Initialize directory paths */
387 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
389 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
391 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
396 main_thread = pthread_self();
397 if (spawnDatap && spawnDataLen) {
398 /* This is a child per partition salvager. Don't setup log or
399 * try to lock the salvager lock.
401 if (nt_SetupPartitionSalvage(spawnDatap, spawnDataLen) < 0)
405 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
407 strcat(commandLine, " ");
408 strcat(commandLine, argv[i]);
411 /* All entries to the log will be appended. Useful if there are
412 * multiple salvagers appending to the log.
415 CheckLogFile(AFSDIR_SERVER_SLVGLOG_FILEPATH);
417 #ifdef AFS_LINUX20_ENV
418 fcntl(fileno(logFile), F_SETFL, O_APPEND); /* Isn't this redundant? */
420 fcntl(fileno(logFile), F_SETFL, FAPPEND); /* Isn't this redundant? */
426 if (geteuid() != 0) {
427 printf("Salvager must be run as root.\n");
433 /* bad for normal help flag processing, but can do nada */
435 fprintf(logFile, "%s\n", cml_version_number);
436 Log("STARTING AFS SALVAGER %s (%s)\n", SalvageVersion, commandLine);
438 /* Get and hold a lock for the duration of the salvage to make sure
439 * that no other salvage runs at the same time. The routine
440 * VInitVolumePackage (called below) makes sure that a file server or
441 * other volume utilities don't interfere with the salvage.
443 get_salvage_lock = 1;
448 ts = cmd_CreateSyntax("initcmd", handleit, 0, "initialize the program");
449 cmd_AddParm(ts, "-partition", CMD_SINGLE, CMD_OPTIONAL,
450 "Name of partition to salvage");
451 cmd_AddParm(ts, "-volumeid", CMD_SINGLE, CMD_OPTIONAL,
452 "Volume Id to salvage");
453 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL,
454 "Run in Debugging mode");
455 cmd_AddParm(ts, "-nowrite", CMD_FLAG, CMD_OPTIONAL,
456 "Run readonly/test mode");
457 cmd_AddParm(ts, "-inodes", CMD_FLAG, CMD_OPTIONAL,
458 "Just list affected afs inodes - debugging flag");
459 cmd_AddParm(ts, "-force", CMD_FLAG, CMD_OPTIONAL, "Force full salvaging");
460 cmd_AddParm(ts, "-oktozap", CMD_FLAG, CMD_OPTIONAL,
461 "Give permission to destroy bogus inodes/volumes - debugging flag");
462 cmd_AddParm(ts, "-rootinodes", CMD_FLAG, CMD_OPTIONAL,
463 "Show inodes owned by root - debugging flag");
464 cmd_AddParm(ts, "-salvagedirs", CMD_FLAG, CMD_OPTIONAL,
465 "Force rebuild/salvage of all directories");
466 cmd_AddParm(ts, "-blockreads", CMD_FLAG, CMD_OPTIONAL,
467 "Read smaller blocks to handle IO/bad blocks");
468 cmd_AddParm(ts, "-parallel", CMD_SINGLE, CMD_OPTIONAL,
469 "# of max parallel partition salvaging");
470 cmd_AddParm(ts, "-tmpdir", CMD_SINGLE, CMD_OPTIONAL,
471 "Name of dir to place tmp files ");
472 cmd_AddParm(ts, "-showlog", CMD_FLAG, CMD_OPTIONAL,
473 "Show log file upon completion");
474 cmd_AddParm(ts, "-showsuid", CMD_FLAG, CMD_OPTIONAL,
475 "Report on suid/sgid files");
476 cmd_AddParm(ts, "-showmounts", CMD_FLAG, CMD_OPTIONAL,
477 "Report on mountpoints");
478 cmd_AddParm(ts, "-orphans", CMD_SINGLE, CMD_OPTIONAL,
479 "ignore | remove | attach");
481 /* note - syslog isn't avail on NT, but if we make it conditional, have
482 * to deal with screwy offsets for cmd params */
483 cmd_AddParm(ts, "-syslog", CMD_FLAG, CMD_OPTIONAL,
484 "Write salvage log to syslogs");
485 cmd_AddParm(ts, "-syslogfacility", CMD_SINGLE, CMD_OPTIONAL,
486 "Syslog facility number to use");
487 cmd_AddParm(ts, "-datelogs", CMD_FLAG, CMD_OPTIONAL,
488 "Include timestamp in logfile filename");
490 cmd_AddParm(ts, "-DontSalvage", CMD_FLAG, CMD_OPTIONAL,
491 "Don't salvage. This my be set in BosConfig to let the fileserver restart immediately after a crash. Bad volumes will be taken offline");
492 #elif defined(DEMAND_ATTACH_ENABLE)
493 cmd_AddParm(ts, "-forceDAFS", CMD_FLAG, CMD_OPTIONAL,
494 "For Demand Attach Fileserver, permit a manual volume salvage outside of the salvageserver");
495 #endif /* FAST_RESTART */
496 err = cmd_Dispatch(argc, argv);