2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sbin/hammer/hammer.c,v 1.44 2008/11/13 02:04:27 dillon Exp $
42 static void hammer_parsedevs(const char *blkdevs
);
43 static void sigalrm(int signo
);
44 static void sigintr(int signo
);
45 static void usage(int exit_code
);
61 u_int64_t BandwidthOpt
;
62 u_int64_t SplitupOpt
= 100 * 1024 * 1024;
63 const char *CyclePath
;
67 main(int ac
, char **av
)
75 while ((ch
= getopt(ac
, av
, "b:c:dhf:i:p:qrs:t:v2yBC:FS:X")) != -1) {
84 BandwidthOpt
= strtoull(optarg
, &ptr
, 0);
99 /* bytes per second if no suffix */
106 SplitupOpt
= strtoull(optarg
, &ptr
, 0);
121 /* bytes per second if no suffix */
137 DelayOpt
= strtol(optarg
, NULL
, 0);
152 TimeoutOpt
= strtol(optarg
, NULL
, 0);
170 cacheSize
= strtol(optarg
, &ptr
, 0);
183 /* bytes if no suffix */
189 UseReadAhead
= strtol(ptr
+ 1, NULL
, 0);
190 UseReadBehind
= -UseReadAhead
;
192 if (cacheSize
< 1024 * 1024)
193 cacheSize
= 1024 * 1024;
194 if (UseReadAhead
< 0)
196 if (UseReadAhead
* HAMMER_BUFSIZE
/ cacheSize
/ 16) {
197 UseReadAhead
= cacheSize
/ 16 / HAMMER_BUFSIZE
;
198 UseReadBehind
= -UseReadAhead
;
200 hammer_cache_set(cacheSize
);
220 signal(SIGALRM
, sigalrm
);
221 signal(SIGINT
, sigintr
);
223 if (strcmp(av
[0], "synctid") == 0) {
224 hammer_cmd_synctid(av
+ 1, ac
- 1);
227 if (strcmp(av
[0], "namekey2") == 0) {
231 const char *aname
= av
[1];
236 key
= (u_int32_t
)crc32(aname
, len
) & 0xFFFFFFFEU
;
240 crcx
= crc32(aname
+ 3, len
- 5);
241 crcx
= crcx
^ (crcx
>> 6) ^ (crcx
>> 12);
242 key
|= (int64_t)(crcx
& 0x3F) << 42;
248 key
|= ((int64_t)(aname
[2] & 0x1F) << 48);
251 key
|= ((int64_t)(aname
[1] & 0x1F) << 53) |
252 ((int64_t)(aname
[len
-2] & 0x1F) << 37);
255 key
|= ((int64_t)(aname
[0] & 0x1F) << 58) |
256 ((int64_t)(aname
[len
-1] & 0x1F) << 32);
262 key
|= 0x100000000LL
;
263 printf("0x%016jx\n", (uintmax_t)key
);
266 if (strcmp(av
[0], "namekey1") == 0) {
271 key
= (int64_t)(crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF) << 32;
273 key
|= 0x100000000LL
;
274 printf("0x%016jx\n", (uintmax_t)key
);
277 if (strcmp(av
[0], "namekey32") == 0) {
282 key
= crc32(av
[1], strlen(av
[1])) & 0x7FFFFFFF;
285 printf("0x%08x\n", key
);
288 if (strcmp(av
[0], "pfs-status") == 0) {
289 hammer_cmd_pseudofs_status(av
+ 1, ac
- 1);
292 if (strcmp(av
[0], "pfs-master") == 0) {
293 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 0);
296 if (strcmp(av
[0], "pfs-slave") == 0) {
297 hammer_cmd_pseudofs_create(av
+ 1, ac
- 1, 1);
300 if (strcmp(av
[0], "pfs-update") == 0) {
301 hammer_cmd_pseudofs_update(av
+ 1, ac
- 1);
304 if (strcmp(av
[0], "pfs-upgrade") == 0) {
305 hammer_cmd_pseudofs_upgrade(av
+ 1, ac
- 1);
308 if (strcmp(av
[0], "pfs-downgrade") == 0) {
309 hammer_cmd_pseudofs_downgrade(av
+ 1, ac
- 1);
312 if (strcmp(av
[0], "pfs-destroy") == 0) {
313 hammer_cmd_pseudofs_destroy(av
+ 1, ac
- 1);
316 if (strcmp(av
[0], "status") == 0) {
317 hammer_cmd_status(av
+ 1, ac
- 1);
320 if (strcmp(av
[0], "prune") == 0) {
321 hammer_cmd_softprune(av
+ 1, ac
- 1, 0);
324 if (strcmp(av
[0], "config") == 0) {
325 hammer_cmd_config(av
+ 1, ac
- 1);
328 if (strcmp(av
[0], "viconfig") == 0) {
329 hammer_cmd_viconfig(av
+ 1, ac
- 1);
332 if (strcmp(av
[0], "cleanup") == 0) {
333 hammer_cmd_cleanup(av
+ 1, ac
- 1);
336 if (strcmp(av
[0], "info") == 0) {
340 if (strcmp(av
[0], "prune-everything") == 0) {
341 hammer_cmd_softprune(av
+ 1, ac
- 1, 1);
344 if (strcmp(av
[0], "snap") == 0) {
345 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 1);
348 if (strcmp(av
[0], "snaplo") == 0) {
349 hammer_cmd_snap(av
+ 1, ac
- 1, 0, 0);
352 if (strcmp(av
[0], "snapq") == 0) {
353 hammer_cmd_snap(av
+ 1, ac
- 1, 1, 0);
356 if (strcmp(av
[0], "snapls") == 0) {
357 hammer_cmd_snapls(av
+ 1, ac
- 1);
360 if (strcmp(av
[0], "snaprm") == 0) {
361 hammer_cmd_snaprm(av
+ 1, ac
- 1);
364 if (strcmp(av
[0], "snapshot") == 0) {
365 hammer_cmd_snapshot(av
+ 1, ac
- 1);
368 if (strcmp(av
[0], "bstats") == 0) {
369 hammer_cmd_bstats(av
+ 1, ac
- 1);
372 if (strcmp(av
[0], "iostats") == 0) {
373 hammer_cmd_iostats(av
+ 1, ac
- 1);
377 if (strncmp(av
[0], "history", 7) == 0) {
378 hammer_cmd_history(av
[0] + 7, av
+ 1, ac
- 1);
381 if (strcmp(av
[0], "rebalance") == 0) {
382 signal(SIGINT
, sigalrm
);
383 hammer_cmd_rebalance(av
+ 1, ac
- 1);
386 if (strncmp(av
[0], "reblock", 7) == 0) {
387 signal(SIGINT
, sigalrm
);
388 if (strcmp(av
[0], "reblock") == 0)
389 hammer_cmd_reblock(av
+ 1, ac
- 1, -1);
390 else if (strcmp(av
[0], "reblock-btree") == 0)
391 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_BTREE
);
392 else if (strcmp(av
[0], "reblock-inodes") == 0)
393 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_INODES
);
394 else if (strcmp(av
[0], "reblock-dirs") == 0)
395 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DIRS
);
396 else if (strcmp(av
[0], "reblock-data") == 0)
397 hammer_cmd_reblock(av
+ 1, ac
- 1, HAMMER_IOC_DO_DATA
);
402 if (strncmp(av
[0], "mirror", 6) == 0) {
403 if (strcmp(av
[0], "mirror-read") == 0)
404 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 0);
405 else if (strcmp(av
[0], "mirror-read-stream") == 0)
406 hammer_cmd_mirror_read(av
+ 1, ac
- 1, 1);
407 else if (strcmp(av
[0], "mirror-write") == 0)
408 hammer_cmd_mirror_write(av
+ 1, ac
- 1);
409 else if (strcmp(av
[0], "mirror-copy") == 0)
410 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 0);
411 else if (strcmp(av
[0], "mirror-stream") == 0)
412 hammer_cmd_mirror_copy(av
+ 1, ac
- 1, 1);
413 else if (strcmp(av
[0], "mirror-dump") == 0)
414 hammer_cmd_mirror_dump();
419 if (strcmp(av
[0], "version") == 0) {
420 hammer_cmd_get_version(av
+ 1, ac
- 1);
423 if (strcmp(av
[0], "version-upgrade") == 0) {
424 hammer_cmd_set_version(av
+ 1, ac
- 1);
427 if (strcmp(av
[0], "volume-add") == 0) {
428 hammer_cmd_volume_add(av
+ 1, ac
- 1);
431 if (strcmp(av
[0], "volume-del") == 0) {
432 hammer_cmd_volume_del(av
+ 1, ac
- 1);
436 uuid_name_lookup(&Hammer_FSType
, "DragonFly HAMMER", &status
);
437 if (status
!= uuid_s_ok
) {
438 errx(1, "uuids file does not have the DragonFly "
439 "HAMMER filesystem type");
442 if (strcmp(av
[0], "show") == 0) {
444 intmax_t obj_id
= (int64_t)HAMMER_MIN_OBJID
;
446 hammer_parsedevs(blkdevs
);
448 sscanf(av
[1], "%08x:%jx", &lo
, &obj_id
);
449 hammer_cmd_show(-1, lo
, (int64_t)obj_id
, 0, NULL
, NULL
);
452 if (strcmp(av
[0], "show-undo") == 0) {
453 hammer_parsedevs(blkdevs
);
454 hammer_cmd_show_undo();
457 if (strcmp(av
[0], "blockmap") == 0) {
458 hammer_parsedevs(blkdevs
);
459 hammer_cmd_blockmap();
468 * Parse the device specification.
470 * Multi-volume hammer devices are colon-separated. Each element
471 * may be further expanded via /etc/devtab. One may also specify
472 * a single element which is expanded into multiple elements via
477 hammer_parsedevs(const char *blkdevs
)
482 if (blkdevs
== NULL
) {
483 errx(1, "A -f blkdevs specification is required "
487 copy
= strdup(blkdevs
);
488 while ((volname
= copy
) != NULL
) {
489 if ((copy
= strchr(copy
, ':')) != NULL
)
491 volname
= getdevpath(volname
, 0);
492 if (strchr(volname
, ':'))
493 hammer_parsedevs(volname
);
495 setup_volume(-1, volname
, 0, O_RDONLY
);
501 sigalrm(int signo __unused
)
503 /* do nothing (interrupts HAMMER ioctl) */
508 sigintr(int signo __unused
)
510 if (RunningIoctl
== 0)
513 /* do nothing (interrupts HAMMER ioctl) */
522 "hammer [-2BqrvXy] [-b bandwidth] [-C cachesize[:readahead]] [-c cyclefile]\n"
523 " [-f blkdevs] [-i delay] [-t seconds] [-S splitup]\n"
524 " command [argument ...]\n"
525 "hammer synctid <filesystem> [quick]\n"
526 "hammer -f blkdevs blockmap\n"
527 "hammer bstats [interval]\n"
528 "hammer iostats [interval]\n"
529 "hammer history[@offset[,len]] <file> ...\n"
530 "hammer -f blkdevs [-qqq] show [lo:objid]\n"
531 "hammer namekey1 <path>\n"
532 "hammer namekey2 <path>\n"
533 "hammer namekey32 <path>\n"
534 "hammer cleanup [<filesystem> ...]\n"
536 "hammer snapshot [<filesystem>] <snapshot-dir>\n"
537 "hammer snapshot <filesystem> <snapshot-dir> [<note>]\n"
538 "hammer prune <softlink-dir>\n"
539 "hammer prune-everything <filesystem>\n"
540 "hammer rebalance <filesystem> [saturation_percentage]\n"
541 "hammer reblock[-btree|-inodes|-dirs|-data] "
542 "<filesystem> [fill_percentage]\n"
543 "hammer pfs-status <dirpath> ...\n"
544 "hammer pfs-master <dirpath> [options]\n"
545 "hammer pfs-slave <dirpath> [options]\n"
546 "hammer pfs-update <dirpath> [options]\n"
547 "hammer pfs-upgrade <dirpath>\n"
548 "hammer pfs-downgrade <dirpath>\n"
549 "hammer pfs-destroy <dirpath>\n"
550 "hammer mirror-read <filesystem> [begin-tid]\n"
551 "hammer mirror-read-stream <filesystem> [begin-tid]\n"
552 "hammer mirror-write <filesystem>\n"
553 "hammer mirror-dump\n"
554 "hammer mirror-copy [[user@]host:]<filesystem>"
555 " [[user@]host:]<filesystem>\n"
556 "hammer mirror-stream [[user@]host:]<filesystem>"
557 " [[user@]host:]<filesystem>\n"
558 "hammer version <filesystem>\n"
559 "hammer version-upgrade <filesystem> <version> [force]\n"
560 "hammer volume-add <device> <filesystem>\n"
561 "hammer volume-del <device> <filesystem>\n"
564 fprintf(stderr
, "\nHAMMER utility version 3+ commands:\n");
567 "hammer config [<filesystem> [<configfile>]]\n"
568 "hammer viconfig [<filesystem>]\n"
569 "hammer snap <path> [<note>]\n"
570 "hammer snaplo <path> [<note>]\n"
571 "hammer snapq <dir> [<note>]\n"
572 "hammer snaprm {<path> | <transid>} ...\n"
573 "hammer snapls [<path> ...]\n"
576 fprintf(stderr
, "\nHAMMER utility version 4+ commands:\n");
579 "hammer -f blkdevs show-undo\n"