2 Bacula® - The Network Backup Solution
4 Copyright (C) 2002-2010 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
30 * Routines for handling mounting tapes for reading and for
33 * Kern Sibbald, August MMII
37 #include "bacula.h" /* pull in global headers */
38 #include "stored.h" /* pull in Storage Deamon headers */
56 * If release is set, we rewind the current volume,
57 * which we no longer want, and ask the user (console)
58 * to mount the next volume.
60 * Continue trying until we get it, and then ensure
61 * that we can write on it.
63 * This routine returns a 0 only if it is REALLY
64 * impossible to get the requested Volume.
66 * This routine is entered with the device blocked, but not
70 bool DCR::mount_next_write_volume()
73 bool ask = false, recycle, autochanger;
77 Dmsg2(150, "Enter mount_next_volume(release=%d) dev=%s\n", dev->must_unload(),
80 init_device_wait_timers(dcr);
84 * Attempt to mount the next volume. If something non-fatal goes
85 * wrong, we come back here to re-try (new op messages, re-read
89 Dmsg1(150, "mount_next_vol retry=%d\n", retry);
90 /* Ignore retry if this is poll request */
92 /* Last ditch effort before giving up, force operator to respond */
95 if (!dir_ask_sysop_to_mount_volume(dcr, ST_APPEND)) {
96 Jmsg(jcr, M_FATAL, 0, _("Too many errors trying to mount device %s.\n"),
98 goto no_lock_bail_out;
101 Dmsg1(150, "Continue after dir_ask_sysop_to_mount. must_load=%d\n", dev->must_load());
103 if (job_canceled(jcr)) {
104 Jmsg(jcr, M_FATAL, 0, _("Job %d canceled.\n"), jcr->JobId);
109 if (dev->must_unload()) {
110 ask = true; /* ask operator to mount tape */
114 do_swapping(true /*is_writing*/);
115 do_load(true /*is_writing*/);
118 if (!find_a_volume()) {
119 goto no_lock_bail_out;
122 if (job_canceled(jcr)) {
125 Dmsg3(150, "After find_next_append. Vol=%s Slot=%d Parts=%d\n",
126 getVolCatName(), VolCatInfo.Slot, VolCatInfo.VolCatParts);
129 * Get next volume and ready it for append
130 * This code ensures that the device is ready for
131 * writing. We start from the assumption that there
132 * may not be a tape mounted.
134 * If the device is a file, we create the output
135 * file. If it is a tape, we check the volume name
136 * and move the tape to the end of data.
140 dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
141 if (autoload_device(dcr, true/*writing*/, NULL) > 0) {
150 Dmsg1(150, "autoload_dev returns %d\n", autochanger);
152 * If we autochanged to correct Volume or (we have not just
153 * released the Volume AND we can automount) we go ahead
154 * and read the label. If there is no tape in the drive,
155 * we will fail, recurse and ask the operator the next time.
157 if (!dev->must_unload() && dev->is_tape() && dev->has_cap(CAP_AUTOMOUNT)) {
158 Dmsg0(250, "(1)Ask=0\n");
159 ask = false; /* don't ask SYSOP this time */
161 /* Don't ask if not removable */
162 if (!dev->is_removable()) {
163 Dmsg0(250, "(2)Ask=0\n");
166 Dmsg2(250, "Ask=%d autochanger=%d\n", ask, autochanger);
170 dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
171 if (!dir_ask_sysop_to_mount_volume(dcr, ST_APPEND)) {
172 Dmsg0(150, "Error return ask_sysop ...\n");
173 goto no_lock_bail_out;
177 if (job_canceled(jcr)) {
180 Dmsg3(150, "want vol=%s devvol=%s dev=%s\n", VolumeName,
181 dev->VolHdr.VolumeName, dev->print_name());
183 if (dev->poll && dev->has_cap(CAP_CLOSEONPOLL)) {
188 /* Ensure the device is open */
189 if (dev->has_cap(CAP_STREAM)) {
190 mode = OPEN_WRITE_ONLY;
192 mode = OPEN_READ_WRITE;
194 /* Try autolabel if enabled */
195 if (dev->open(dcr, mode) < 0) {
196 try_autolabel(false); /* try to create a new volume label */
198 while (dev->open(dcr, mode) < 0) {
199 Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror());
200 if ((dev->is_file() && dev->is_removable()) || dev->is_dvd()) {
202 Dmsg0(150, "call scan_dir_for_vol\n");
204 if (!dev->mount(0)) {
208 if (ok && dev->scan_dir_for_volume(dcr)) {
209 if (dev->open(dcr, mode) >= 0) {
210 break; /* got a valid volume */
213 if (ok && dev->is_dvd()) {
217 if (try_autolabel(false) == try_read_vol) {
218 break; /* created a new volume label */
220 Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
221 dev->print_name(), dcr->VolumeName, dev->bstrerror());
222 Dmsg0(50, "set_unload\n");
223 dev->set_unload(); /* force ask sysop */
225 Dmsg0(150, "goto mount_next_vol\n");
230 * Now check the volume label to make sure we have the right tape mounted
233 switch (check_volume_label(ask, autochanger)) {
235 Dmsg0(50, "set_unload\n");
236 dev->set_unload(); /* want a different Volume */
237 Dmsg0(150, "goto mount_next_vol\n");
247 * Check that volcatinfo is good
249 if (!dev->haveVolCatInfo()) {
250 Dmsg0(100, "Do not have volcatinfo\n");
251 if (!find_a_volume()) {
254 dev->VolCatInfo = VolCatInfo; /* structure assignment */
258 * See if we have a fresh tape or a tape with data.
260 * Note, if the LabelType is PRE_LABEL, it was labeled
261 * but never written. If so, rewrite the label but set as
262 * VOL_LABEL. We rewind and return the label (reconstructed)
263 * in the block so that in the case of a new tape, data can
264 * be appended just after the block label. If we are writing
265 * a second volume, the calling routine will write the label
266 * before writing the overflow block.
268 * If the tape is marked as Recycle, we rewrite the label.
270 recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
271 if (dev->VolHdr.LabelType == PRE_LABEL || recycle) {
272 if (!rewrite_volume_label(dcr, recycle)) {
273 mark_volume_in_error();
278 * OK, at this point, we have a valid Bacula label, but
279 * we need to position to the end of the volume, since we are
280 * just now putting it into append mode.
282 Dmsg1(100, "Device previously written, moving to end of data. Expect %lld bytes\n",
283 dev->VolCatInfo.VolCatBytes);
284 Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
287 if (!dev->eod(dcr)) {
288 Dmsg2(050, "Unable to position to end of data on device %s: ERR=%s\n",
289 dev->print_name(), dev->bstrerror());
290 Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device %s: ERR=%s\n"),
291 dev->print_name(), dev->bstrerror());
292 mark_volume_in_error();
295 if (!is_eod_valid()) {
296 Dmsg0(100, "goto mount_next_vol\n");
300 dev->VolCatInfo.VolCatMounts++; /* Update mounts */
301 Dmsg1(150, "update volinfo mounts=%d\n", dev->VolCatInfo.VolCatMounts);
302 if (!dir_update_volume_info(dcr, false, false)) {
306 /* Return an empty block */
307 empty_block(block); /* we used it for reading so set for write */
310 Dmsg1(150, "set APPEND, normal return from mount_next_write_volume. dev=%s\n",
324 * This routine is meant to be called once the first pass
325 * to ensure that we have a candidate volume to mount.
326 * Otherwise, we ask the sysop to created one.
327 * Note, the the Volumes are locked on entry.
328 * They are unlocked on failure and remain locked on
329 * success. The caller must know this!!!
331 bool DCR::find_a_volume()
334 if (!is_suitable_volume_mounted()) {
335 bool have_vol = false;
336 /* Do we have a candidate volume? */
338 bstrncpy(VolumeName, dev->vol->vol_name, sizeof(VolumeName));
339 have_vol = dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
342 * Get Director's idea of what tape we should have mounted.
346 Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
347 while (!dir_find_next_appendable_volume(dcr)) {
348 Dmsg0(200, "not dir_find_next\n");
349 if (job_canceled(jcr)) {
354 if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
358 Dmsg0(150, "Again dir_find_next_append...\n");
362 if (dcr->haveVolCatInfo()) {
365 return dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE);
368 int DCR::check_volume_label(bool &ask, bool &autochanger)
370 int vol_label_status;
372 * If we are writing to a stream device, ASSUME the volume label
375 if (dev->has_cap(CAP_STREAM)) {
376 vol_label_status = VOL_OK;
377 create_volume_label(dev, VolumeName, "Default", false /* not DVD */);
378 dev->VolHdr.LabelType = PRE_LABEL;
380 vol_label_status = read_dev_volume_label(this);
382 if (job_canceled(jcr)) {
386 Dmsg2(150, "Want dirVol=%s dirStat=%s\n", VolumeName,
387 VolCatInfo.VolCatStatus);
390 * At this point, dev->VolCatInfo has what is in the drive, if anything,
391 * and dcr->VolCatInfo has what the Director wants.
393 switch (vol_label_status) {
395 Dmsg1(150, "Vol OK name=%s\n", dev->VolHdr.VolumeName);
396 dev->VolCatInfo = VolCatInfo; /* structure assignment */
397 break; /* got a Volume */
399 VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
400 char saveVolumeName[MAX_NAME_LENGTH];
402 Dmsg2(150, "Vol NAME Error Have=%s, want=%s\n", dev->VolHdr.VolumeName, VolumeName);
403 if (dev->is_volume_to_unload()) {
405 goto check_next_volume;
408 /* If not removable, Volume is broken */
409 if (!dev->is_removable()) {
410 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
411 VolumeName, dev->print_name());
412 mark_volume_in_error();
413 goto check_next_volume;
417 * OK, we got a different volume mounted. First save the
418 * requested Volume info (dcr) structure, then query if
419 * this volume is really OK. If not, put back the desired
420 * volume name, mark it not in changer and continue.
422 dcrVolCatInfo = VolCatInfo; /* structure assignment */
423 devVolCatInfo = dev->VolCatInfo; /* structure assignment */
424 /* Check if this is a valid Volume in the pool */
425 bstrncpy(saveVolumeName, VolumeName, sizeof(saveVolumeName));
426 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
427 if (!dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE)) {
428 POOL_MEM vol_info_msg;
429 pm_strcpy(vol_info_msg, jcr->dir_bsock->msg); /* save error message */
430 /* Restore desired volume name, note device info out of sync */
431 /* This gets the info regardless of the Pool */
432 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
433 if (autochanger && !dir_get_volume_info(this, GET_VOL_INFO_FOR_READ)) {
435 * If we get here, we know we cannot write on the Volume,
436 * and we know that we cannot read it either, so it
437 * is not in the autochanger.
439 mark_volume_not_inchanger();
441 dev->VolCatInfo = devVolCatInfo; /* structure assignment */
442 dev->set_unload(); /* unload this volume */
443 Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
444 " Current Volume \"%s\" not acceptable because:\n"
446 dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
447 vol_info_msg.c_str());
449 /* Restore saved DCR before continuing */
450 bstrncpy(VolumeName, saveVolumeName, sizeof(VolumeName));
451 VolCatInfo = dcrVolCatInfo; /* structure assignment */
452 goto check_next_volume;
455 * This was not the volume we expected, but it is OK with
456 * the Director, so use it.
458 Dmsg1(150, "Got new Volume name=%s\n", VolumeName);
459 dev->VolCatInfo = VolCatInfo; /* structure assignment */
460 Dmsg1(100, "Call reserve_volume=%s\n", dev->VolHdr.VolumeName);
461 if (reserve_volume(this, dev->VolHdr.VolumeName) == NULL) {
462 Jmsg2(jcr, M_WARNING, 0, _("Could not reserve volume %s on %s\n"),
463 dev->VolHdr.VolumeName, dev->print_name());
465 dev->setVolCatInfo(false);
466 setVolCatInfo(false);
467 goto check_next_volume;
469 break; /* got a Volume */
471 * At this point, we assume we have a blank tape mounted.
475 Jmsg(jcr, M_FATAL, 0, "%s", jcr->errmsg);
476 mark_volume_in_error();
477 goto check_bail_out; /* we could not write on DVD */
479 /* Fall through wanted */
481 switch (try_autolabel(true)) {
483 goto check_next_volume;
485 goto check_read_volume;
491 /* NOTE! Fall-through wanted. */
494 Dmsg0(200, "VOL_NO_MEDIA or default.\n");
495 /* Send error message */
498 Dmsg1(200, "Msg suppressed by poll: %s\n", jcr->errmsg);
501 /* Needed, so the medium can be changed */
502 if (dev->requires_mount()) {
506 goto check_next_volume;
511 dev->setVolCatInfo(false);
512 setVolCatInfo(false);
513 return check_next_vol;
519 return check_read_vol;
524 bool DCR::is_suitable_volume_mounted()
526 /* Volume mounted? */
527 if (dev->VolHdr.VolumeName[0] == 0 || dev->swap_dev || dev->must_unload()) {
528 return false; /* no */
530 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
531 return dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
534 bool DCR::do_unload()
536 if (dev->must_unload()) {
537 Dmsg1(100, "must_unload release %s\n", dev->print_name());
543 bool DCR::do_load(bool is_writing)
545 if (dev->must_load()) {
546 Dmsg1(100, "Must load %s\n", dev->print_name());
547 if (autoload_device(this, is_writing, NULL) > 0) {
556 void DCR::do_swapping(bool is_writing)
559 * See if we are asked to swap the Volume from another device
560 * if so, unload the other device here, and attach the
561 * volume to our drive.
564 if (dev->swap_dev->must_unload()) {
566 dev->swap_dev->set_slot(dev->vol->get_slot());
568 Dmsg2(100, "Swap unloading slot=%d %s\n", dev->swap_dev->get_slot(),
569 dev->swap_dev->print_name());
570 unload_dev(this, dev->swap_dev);
573 dev->vol->clear_swapping();
574 Dmsg1(100, "=== set in_use vol=%s\n", dev->vol->vol_name);
575 dev->vol->set_in_use();
576 dev->VolHdr.VolumeName[0] = 0; /* don't yet have right Volume */
578 Dmsg1(100, "No vol on dev=%s\n", dev->print_name());
580 if (dev->swap_dev->vol) {
581 Dmsg2(100, "Vol=%s on dev=%s\n", dev->swap_dev->vol->vol_name,
582 dev->swap_dev->print_name());
584 dev->swap_dev = NULL;
590 * Check if the current position on the volume corresponds to
591 * what is in the catalog.
593 bool DCR::is_eod_valid()
596 char ed1[50], ed2[50];
597 if (dev->VolCatInfo.VolCatBytes == dev->part_start + dev->part_size) {
598 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
599 " part=%d size=%s\n"), VolumeName,
600 dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
602 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on DVD Volume \"%s\" because: "
603 "The sizes do not match! Volume=%s Catalog=%s\n"),
605 edit_uint64(dev->part_start + dev->part_size, ed1),
606 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
607 mark_volume_in_error();
610 } else if (dev->is_tape()) {
612 * Check if we are positioned on the tape at the same place
613 * that the database says we should be.
615 if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
616 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
617 VolumeName, dev->get_file());
619 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on tape Volume \"%s\" because:\n"
620 "The number of files mismatch! Volume=%u Catalog=%u\n"),
621 VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
622 mark_volume_in_error();
625 } else if (dev->is_file()) {
626 char ed1[50], ed2[50];
628 pos = dev->lseek(this, (boffset_t)0, SEEK_END);
629 if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
630 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
631 " size=%s\n"), VolumeName,
632 edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
634 Mmsg(jcr->errmsg, _("Bacula cannot write on disk Volume \"%s\" because: "
635 "The sizes do not match! Volume=%s Catalog=%s\n"),
637 edit_uint64(pos, ed1),
638 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
639 Jmsg(jcr, M_ERROR, 0, jcr->errmsg);
640 Dmsg0(050, jcr->errmsg);
641 mark_volume_in_error();
650 * If permitted, we label the device, make sure we can do
651 * it by checking that the VolCatBytes is zero => not labeled,
652 * once the Volume is labeled we don't want to label another
653 * blank tape with the same name. For disk, we go ahead and
654 * label it anyway, because the OS insures that there is only
655 * one Volume with that name.
656 * As noted above, at this point dcr->VolCatInfo has what
657 * the Director wants and dev->VolCatInfo has info on the
658 * previous tape (or nothing).
661 * try_next_vol label failed, look for another volume
662 * try_read_vol labeled volume, now re-read the label
663 * try_error hard error (catalog update)
664 * try_default I couldn't do anything
666 int DCR::try_autolabel(bool opened)
670 if (dev->poll && !dev->is_tape()) {
671 return try_default; /* if polling, don't try to create new labels */
673 /* For a tape require it to be opened and read before labeling */
674 if (!opened && dev->is_tape()) {
677 if (dev->has_cap(CAP_LABEL) && (VolCatInfo.VolCatBytes == 0 ||
678 (!dev->is_tape() && strcmp(VolCatInfo.VolCatStatus,
680 Dmsg0(150, "Create volume label\n");
681 /* Create a new Volume label and write it to the device */
682 if (!write_new_volume_label_to_dev(dcr, VolumeName,
683 pool_name, false, /* no relabel */ false /* defer DVD label */)) {
684 Dmsg2(150, "write_vol_label failed. vol=%s, pool=%s\n",
685 VolumeName, pool_name);
687 mark_volume_in_error();
691 Dmsg0(150, "dir_update_vol_info. Set Append\n");
692 /* Copy Director's info into the device info */
693 dev->VolCatInfo = VolCatInfo; /* structure assignment */
694 if (!dir_update_volume_info(dcr, true, true)) { /* indicate tape labeled */
697 Jmsg(dcr->jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
698 VolumeName, dev->print_name());
699 return try_read_vol; /* read label we just wrote */
701 if (!dev->has_cap(CAP_LABEL) && VolCatInfo.VolCatBytes == 0) {
702 Jmsg(jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"),
705 /* If not removable, Volume is broken */
706 if (!dev->is_removable()) {
707 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
708 VolumeName, dev->print_name());
709 mark_volume_in_error();
717 * Mark volume in error in catalog
719 void DCR::mark_volume_in_error()
721 Jmsg(jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
723 dev->VolCatInfo = VolCatInfo; /* structure assignment */
724 bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
725 Dmsg0(150, "dir_update_vol_info. Set Error.\n");
726 dir_update_volume_info(this, false, false);
728 Dmsg0(50, "set_unload\n");
729 dev->set_unload(); /* must get a new volume */
733 * The Volume is not in the correct slot, so mark this
734 * Volume as not being in the Changer.
736 void DCR::mark_volume_not_inchanger()
738 Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
739 " Setting InChanger to zero in catalog.\n"),
740 getVolCatName(), VolCatInfo.Slot);
741 dev->VolCatInfo = VolCatInfo; /* structure assignment */
742 VolCatInfo.InChanger = false;
743 dev->VolCatInfo.InChanger = false;
744 Dmsg0(400, "update vol info in mount\n");
745 dir_update_volume_info(this, true, false); /* set new status */
749 * Either because we are going to hang a new volume, or because
750 * of explicit user request, we release the current volume.
752 void DCR::release_volume()
754 unload_autochanger(this, -1);
757 Jmsg0(jcr, M_ERROR, 0, _("Hey!!!!! WroteVol non-zero !!!!!\n"));
758 Pmsg0(190, "Hey!!!!! WroteVol non-zero !!!!!\n");
761 * First erase all memory of the current volume
764 dev->block_num = dev->file = 0;
765 dev->EndBlock = dev->EndFile = 0;
766 memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
768 /* Force re-read of label */
769 dev->clear_labeled();
772 dev->label_type = B_BACULA_LABEL;
775 if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
779 /* If we have not closed the device, then at least rewind the tape */
780 if (dev->is_open()) {
781 dev->offline_or_rewind();
783 // Dmsg0(50, "set_unload\n");
784 // dev->set_unload();
785 Dmsg0(190, "release_volume\n");
791 * Check to see if the tape position as defined by the OS is
792 * the same as our concept. If it is not,
793 * it means the user has probably manually rewound the tape.
794 * Note, we check only if num_writers == 0, but this code will
795 * also work fine for any number of writers. If num_writers > 0,
796 * we probably should cancel all jobs using this device, or
797 * perhaps even abort the SD, or at a minimum, mark the tape
798 * in error. Another strategy with num_writers == 0, would be
799 * to rewind the tape and do a new eod() request.
801 bool DCR::is_tape_position_ok()
803 if (dev->is_tape() && dev->num_writers == 0) {
804 int32_t file = dev->get_os_tape_file();
805 if (file >= 0 && file != (int32_t)dev->get_file()) {
806 Jmsg(jcr, M_ERROR, 0, _("Invalid tape position on volume \"%s\""
807 " on device %s. Expected %d, got %d\n"),
808 dev->VolHdr.VolumeName, dev->print_name(), dev->get_file(), file);
810 * If the current file is greater than zero, it means we probably
811 * have some bad count of EOF marks, so mark tape in error. Otherwise
812 * the operator might have moved the tape, so we just release it
816 mark_volume_in_error();
827 * If we are reading, we come here at the end of the tape
828 * and see if there are more volumes to be mounted.
830 bool mount_next_read_volume(DCR *dcr)
832 DEVICE *dev = dcr->dev;
834 Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
836 volume_unused(dcr); /* release current volume */
838 * End Of Tape -- mount next Volume (if another specified)
840 if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
842 if (!acquire_device_for_read(dcr)) {
843 Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),
847 return true; /* next volume mounted */
849 Dmsg0(90, "End of Device reached.\n");