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>
33 #include <WINNT/afsevent.h>
35 #include <sys/param.h>
39 #endif /* ITIMER_REAL */
41 #if defined(AFS_AIX_ENV) || defined(AFS_SUN4_ENV)
42 #define WCOREDUMP(x) (x & 0200)
45 #include <afs/afsint.h>
46 #include <afs/assert.h>
47 #if !defined(AFS_SGI_ENV) && !defined(AFS_NT40_ENV)
48 #if defined(AFS_VFSINCL_ENV)
49 #include <sys/vnode.h>
51 #include <sys/fs/ufs_inode.h>
53 #if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
54 #include <ufs/ufs/dinode.h>
55 #include <ufs/ffs/fs.h>
57 #include <ufs/inode.h>
60 #else /* AFS_VFSINCL_ENV */
62 #include <ufs/inode.h>
63 #else /* AFS_OSF_ENV */
64 #if !defined(AFS_LINUX20_ENV) && !defined(AFS_XBSD_ENV)
65 #include <sys/inode.h>
68 #endif /* AFS_VFSINCL_ENV */
69 #endif /* AFS_SGI_ENV */
72 #include <sys/lockf.h>
76 #include <checklist.h>
78 #if defined(AFS_SGI_ENV)
83 #if defined(AFS_SUN_ENV) || defined(AFS_SUN5_ENV)
86 #include <sys/mnttab.h>
87 #include <sys/mntent.h>
92 #endif /* AFS_SGI_ENV */
93 #endif /* AFS_HPUX_ENV */
98 #include <afs/osi_inode.h>
101 #include <afs/afsutil.h>
102 #include <afs/fileutil.h>
103 #include <afs/procmgmt.h> /* signal(), kill(), wait(), etc. */
111 #include <afs/afssyscalls.h>
115 #include "partition.h"
116 #include "daemon_com.h"
118 #include "salvsync.h"
119 #include "viceinode.h"
121 #include "volinodes.h" /* header magic number, etc. stuff */
122 #include "vol-salvage.h"
125 pthread_t main_thread;
129 static int get_salvage_lock = 0;
132 /* Forward declarations */
133 /*@printflike@*/ void Log(const char *format, ...);
134 /*@printflike@*/ void Abort(const char *format, ...);
138 handleit(struct cmd_syndesc *as, void *arock)
140 register struct cmd_item *ti;
141 char pname[100], *temp;
142 afs_int32 seenpart = 0, seenvol = 0, vid = 0;
145 afs_int32 seenany = 0;
148 struct DiskPartition64 *partP;
150 #ifdef AFS_SGI_VNODE_GLUE
151 if (afs_init_kernel_config(-1) < 0) {
153 ("Can't determine NUMA configuration, not starting salvager.\n");
161 for (i = 0; i < CMD_MAXPARMS; i++) {
162 if (as->parms[i].items) {
170 "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 */
187 ("You must also specify '-partition' option with the '-volumeid' option\n");
191 vid = atoi(ti->data);
193 if (as->parms[2].items) /* -debug */
195 if (as->parms[3].items) /* -nowrite */
197 if (as->parms[4].items) /* -inodes */
199 if (as->parms[5].items) /* -force */
201 if (as->parms[6].items) /* -oktozap */
203 if (as->parms[7].items) /* -rootinodes */
205 if (as->parms[8].items) /* -RebuildDirs */
207 if (as->parms[9].items) /* -ForceReads */
209 if ((ti = as->parms[10].items)) { /* -Parallel # */
211 if (strncmp(temp, "all", 3) == 0) {
215 if (strlen(temp) != 0) {
216 Parallel = atoi(temp);
219 if (Parallel > MAXPARALLEL) {
220 printf("Setting parallel salvages to maximum of %d \n",
222 Parallel = MAXPARALLEL;
226 if ((ti = as->parms[11].items)) { /* -tmpdir */
230 dirp = opendir(tmpdir);
233 ("Can't open temporary placeholder dir %s; using current partition \n",
239 if ((ti = as->parms[12].items)) /* -showlog */
241 if ((ti = as->parms[13].items)) { /* -log */
246 if ((ti = as->parms[14].items)) { /* -showmounts */
251 if ((ti = as->parms[15].items)) { /* -orphans */
253 orphans = ORPH_IGNORE;
254 else if (strcmp(ti->data, "remove") == 0
255 || strcmp(ti->data, "r") == 0)
256 orphans = ORPH_REMOVE;
257 else if (strcmp(ti->data, "attach") == 0
258 || strcmp(ti->data, "a") == 0)
259 orphans = ORPH_ATTACH;
261 #ifndef AFS_NT40_ENV /* ignore options on NT */
262 if ((ti = as->parms[16].items)) { /* -syslog */
266 if ((ti = as->parms[17].items)) { /* -syslogfacility */
267 useSyslogFacility = atoi(ti->data);
270 if ((ti = as->parms[18].items)) { /* -datelogs */
271 TimeStampLogFile(AFSDIR_SERVER_SLVGLOG_FILEPATH);
276 if (ti = as->parms[19].items) { /* -DontSalvage */
278 "Exiting immediately without salvage. Look into the FileLog to find volumes which really need to be salvaged!";
286 #elif defined(DEMAND_ATTACH_ENABLE)
287 if (seenvol && !as->parms[19].items) {
289 "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.";
299 if (get_salvage_lock) {
303 /* Note: if seenvol we initialize this as a standard volume utility: this has the
304 * implication that the file server may be running; negotations have to be made with
305 * the file server in this case to take the read write volume and associated read-only
306 * volumes off line before salvaging */
309 if (afs_winsockInit() < 0) {
310 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0,
311 AFSDIR_SALVAGER_FILE, 0);
312 Log("Failed to initailize winsock, exiting.\n");
317 VInitVolumePackage(seenvol ? volumeUtility : salvager, 5, 5,
321 if (myjob.cj_number != NOT_CHILD) {
324 (void)strcpy(pname, myjob.cj_part);
329 for (partP = DiskPartitionList; partP; partP = partP->next) {
330 SalvageFileSysParallel(partP);
332 SalvageFileSysParallel(0);
334 partP = VGetPartition(pname, 0);
336 Log("salvage: Unknown or unmounted partition %s; salvage aborted\n", pname);
340 SalvageFileSys(partP, 0);
342 /* Salvage individual volume */
344 Log("salvage: invalid volume id specified; salvage aborted\n");
347 SalvageFileSys(partP, vid);
355 #include "AFS_component_version_number.c"
359 main(int argc, char **argv)
361 struct cmd_syndesc *ts;
363 char commandLine[150];
366 extern char cml_version_number[];
370 * The following signal action for AIX is necessary so that in case of a
371 * crash (i.e. core is generated) we can include the user's data section
372 * in the core dump. Unfortunately, by default, only a partial core is
373 * generated which, in many cases, isn't too useful.
375 struct sigaction nsa;
377 sigemptyset(&nsa.sa_mask);
378 nsa.sa_handler = SIG_DFL;
379 nsa.sa_flags = SA_FULLDUMP;
380 sigaction(SIGABRT, &nsa, NULL);
381 sigaction(SIGSEGV, &nsa, NULL);
384 /* Initialize directory paths */
385 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
387 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
389 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
394 main_thread = pthread_self();
395 if (spawnDatap && spawnDataLen) {
396 /* This is a child per partition salvager. Don't setup log or
397 * try to lock the salvager lock.
399 if (nt_SetupPartitionSalvage(spawnDatap, spawnDataLen) < 0)
403 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
405 strcat(commandLine, " ");
406 strcat(commandLine, argv[i]);
409 /* All entries to the log will be appended. Useful if there are
410 * multiple salvagers appending to the log.
413 CheckLogFile(AFSDIR_SERVER_SLVGLOG_FILEPATH);
415 #ifdef AFS_LINUX20_ENV
416 fcntl(fileno(logFile), F_SETFL, O_APPEND); /* Isn't this redundant? */
418 fcntl(fileno(logFile), F_SETFL, FAPPEND); /* Isn't this redundant? */
424 if (geteuid() != 0) {
425 printf("Salvager must be run as root.\n");
431 /* bad for normal help flag processing, but can do nada */
433 fprintf(logFile, "%s\n", cml_version_number);
434 Log("STARTING AFS SALVAGER %s (%s)\n", SalvageVersion, commandLine);
436 /* Get and hold a lock for the duration of the salvage to make sure
437 * that no other salvage runs at the same time. The routine
438 * VInitVolumePackage (called below) makes sure that a file server or
439 * other volume utilities don't interfere with the salvage.
441 get_salvage_lock = 1;
446 ts = cmd_CreateSyntax("initcmd", handleit, NULL, "initialize the program");
447 cmd_AddParm(ts, "-partition", CMD_SINGLE, CMD_OPTIONAL,
448 "Name of partition to salvage");
449 cmd_AddParm(ts, "-volumeid", CMD_SINGLE, CMD_OPTIONAL,
450 "Volume Id to salvage");
451 cmd_AddParm(ts, "-debug", CMD_FLAG, CMD_OPTIONAL,
452 "Run in Debugging mode");
453 cmd_AddParm(ts, "-nowrite", CMD_FLAG, CMD_OPTIONAL,
454 "Run readonly/test mode");
455 cmd_AddParm(ts, "-inodes", CMD_FLAG, CMD_OPTIONAL,
456 "Just list affected afs inodes - debugging flag");
457 cmd_AddParm(ts, "-force", CMD_FLAG, CMD_OPTIONAL, "Force full salvaging");
458 cmd_AddParm(ts, "-oktozap", CMD_FLAG, CMD_OPTIONAL,
459 "Give permission to destroy bogus inodes/volumes - debugging flag");
460 cmd_AddParm(ts, "-rootinodes", CMD_FLAG, CMD_OPTIONAL,
461 "Show inodes owned by root - debugging flag");
462 cmd_AddParm(ts, "-salvagedirs", CMD_FLAG, CMD_OPTIONAL,
463 "Force rebuild/salvage of all directories");
464 cmd_AddParm(ts, "-blockreads", CMD_FLAG, CMD_OPTIONAL,
465 "Read smaller blocks to handle IO/bad blocks");
466 cmd_AddParm(ts, "-parallel", CMD_SINGLE, CMD_OPTIONAL,
467 "# of max parallel partition salvaging");
468 cmd_AddParm(ts, "-tmpdir", CMD_SINGLE, CMD_OPTIONAL,
469 "Name of dir to place tmp files ");
470 cmd_AddParm(ts, "-showlog", CMD_FLAG, CMD_OPTIONAL,
471 "Show log file upon completion");
472 cmd_AddParm(ts, "-showsuid", CMD_FLAG, CMD_OPTIONAL,
473 "Report on suid/sgid files");
474 cmd_AddParm(ts, "-showmounts", CMD_FLAG, CMD_OPTIONAL,
475 "Report on mountpoints");
476 cmd_AddParm(ts, "-orphans", CMD_SINGLE, CMD_OPTIONAL,
477 "ignore | remove | attach");
479 /* note - syslog isn't avail on NT, but if we make it conditional, have
480 * to deal with screwy offsets for cmd params */
481 cmd_AddParm(ts, "-syslog", CMD_FLAG, CMD_OPTIONAL,
482 "Write salvage log to syslogs");
483 cmd_AddParm(ts, "-syslogfacility", CMD_SINGLE, CMD_OPTIONAL,
484 "Syslog facility number to use");
485 cmd_AddParm(ts, "-datelogs", CMD_FLAG, CMD_OPTIONAL,
486 "Include timestamp in logfile filename");
488 cmd_AddParm(ts, "-DontSalvage", CMD_FLAG, CMD_OPTIONAL,
489 "Don't salvage. This my be set in BosConfig to let the fileserver restart immediately after a crash. Bad volumes will be taken offline");
490 #elif defined(DEMAND_ATTACH_ENABLE)
491 cmd_AddParm(ts, "-forceDAFS", CMD_FLAG, CMD_OPTIONAL,
492 "For Demand Attach Fileserver, permit a manual volume salvage outside of the salvageserver");
493 #endif /* FAST_RESTART */
494 err = cmd_Dispatch(argc, argv);
496 return 0; /* not reached */