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 */
113 do_swapping(true /*is_writing*/);
114 do_load(true /*is_writing*/);
116 if (!find_a_volume()) {
120 if (job_canceled(jcr)) {
123 Dmsg3(150, "After find_next_append. Vol=%s Slot=%d Parts=%d\n",
124 getVolCatName(), VolCatInfo.Slot, VolCatInfo.VolCatParts);
127 * Get next volume and ready it for append
128 * This code ensures that the device is ready for
129 * writing. We start from the assumption that there
130 * may not be a tape mounted.
132 * If the device is a file, we create the output
133 * file. If it is a tape, we check the volume name
134 * and move the tape to the end of data.
137 dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
138 if (autoload_device(dcr, true/*writing*/, NULL) > 0) {
146 Dmsg1(150, "autoload_dev returns %d\n", autochanger);
148 * If we autochanged to correct Volume or (we have not just
149 * released the Volume AND we can automount) we go ahead
150 * and read the label. If there is no tape in the drive,
151 * we will fail, recurse and ask the operator the next time.
153 if (!dev->must_unload() && dev->is_tape() && dev->has_cap(CAP_AUTOMOUNT)) {
154 Dmsg0(250, "(1)Ask=0\n");
155 ask = false; /* don't ask SYSOP this time */
157 /* Don't ask if not removable */
158 if (!dev->is_removable()) {
159 Dmsg0(250, "(2)Ask=0\n");
162 Dmsg2(250, "Ask=%d autochanger=%d\n", ask, autochanger);
166 dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
167 if (!dir_ask_sysop_to_mount_volume(dcr, ST_APPEND)) {
168 Dmsg0(150, "Error return ask_sysop ...\n");
169 goto no_lock_bail_out;
173 if (job_canceled(jcr)) {
176 Dmsg3(150, "want vol=%s devvol=%s dev=%s\n", VolumeName,
177 dev->VolHdr.VolumeName, dev->print_name());
179 if (dev->poll && dev->has_cap(CAP_CLOSEONPOLL)) {
184 /* Ensure the device is open */
185 if (dev->has_cap(CAP_STREAM)) {
186 mode = OPEN_WRITE_ONLY;
188 mode = OPEN_READ_WRITE;
190 /* Try autolabel if enabled */
191 if (dev->open(dcr, mode) < 0) {
192 try_autolabel(false); /* try to create a new volume label */
194 while (dev->open(dcr, mode) < 0) {
195 Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror());
196 if ((dev->is_file() && dev->is_removable()) || dev->is_dvd()) {
198 Dmsg0(150, "call scan_dir_for_vol\n");
200 if (!dev->mount(0)) {
204 if (ok && dev->scan_dir_for_volume(dcr)) {
205 if (dev->open(dcr, mode) >= 0) {
206 break; /* got a valid volume */
209 if (ok && dev->is_dvd()) {
213 if (try_autolabel(false) == try_read_vol) {
214 break; /* created a new volume label */
216 Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
217 dev->print_name(), dcr->VolumeName, dev->bstrerror());
218 Dmsg0(50, "set_unload\n");
219 dev->set_unload(); /* force ask sysop */
221 Dmsg0(150, "goto mount_next_vol\n");
226 * Now check the volume label to make sure we have the right tape mounted
229 switch (check_volume_label(ask, autochanger)) {
231 Dmsg0(50, "set_unload\n");
232 dev->set_unload(); /* want a different Volume */
233 Dmsg0(150, "goto mount_next_vol\n");
243 * Check that volcatinfo is good
245 if (!dev->haveVolCatInfo()) {
246 Dmsg0(100, "Do not have volcatinfo\n");
247 if (!find_a_volume()) {
250 dev->VolCatInfo = VolCatInfo; /* structure assignment */
254 * See if we have a fresh tape or a tape with data.
256 * Note, if the LabelType is PRE_LABEL, it was labeled
257 * but never written. If so, rewrite the label but set as
258 * VOL_LABEL. We rewind and return the label (reconstructed)
259 * in the block so that in the case of a new tape, data can
260 * be appended just after the block label. If we are writing
261 * a second volume, the calling routine will write the label
262 * before writing the overflow block.
264 * If the tape is marked as Recycle, we rewrite the label.
266 recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
267 if (dev->VolHdr.LabelType == PRE_LABEL || recycle) {
268 if (!rewrite_volume_label(dcr, recycle)) {
269 mark_volume_in_error();
274 * OK, at this point, we have a valid Bacula label, but
275 * we need to position to the end of the volume, since we are
276 * just now putting it into append mode.
278 Dmsg1(100, "Device previously written, moving to end of data. Expect %lld bytes\n",
279 dev->VolCatInfo.VolCatBytes);
280 Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
283 if (!dev->eod(dcr)) {
284 Dmsg2(050, "Unable to position to end of data on device %s: ERR=%s\n",
285 dev->print_name(), dev->bstrerror());
286 Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device %s: ERR=%s\n"),
287 dev->print_name(), dev->bstrerror());
288 mark_volume_in_error();
291 if (!is_eod_valid()) {
292 Dmsg0(100, "goto mount_next_vol\n");
296 dev->VolCatInfo.VolCatMounts++; /* Update mounts */
297 Dmsg1(150, "update volinfo mounts=%d\n", dev->VolCatInfo.VolCatMounts);
298 if (!dir_update_volume_info(dcr, false, false)) {
302 /* Return an empty block */
303 empty_block(block); /* we used it for reading so set for write */
306 Dmsg1(150, "set APPEND, normal return from mount_next_write_volume. dev=%s\n",
320 * This routine is meant to be called once the first pass
321 * to ensure that we have a candidate volume to mount.
322 * Otherwise, we ask the sysop to created one.
323 * Note, the the Volumes are locked on entry.
324 * They are unlocked on failure and remain locked on
325 * success. The caller must know this!!!
327 bool DCR::find_a_volume()
330 if (!is_suitable_volume_mounted()) {
331 bool have_vol = false;
332 /* Do we have a candidate volume? */
334 bstrncpy(VolumeName, dev->vol->vol_name, sizeof(VolumeName));
335 have_vol = dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
338 * Get Director's idea of what tape we should have mounted.
342 Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
343 while (!dir_find_next_appendable_volume(dcr)) {
344 Dmsg0(200, "not dir_find_next\n");
345 if (job_canceled(jcr)) {
350 if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
354 Dmsg0(150, "Again dir_find_next_append...\n");
358 if (dcr->haveVolCatInfo()) {
361 return dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE);
364 int DCR::check_volume_label(bool &ask, bool &autochanger)
366 int vol_label_status;
368 * If we are writing to a stream device, ASSUME the volume label
371 if (dev->has_cap(CAP_STREAM)) {
372 vol_label_status = VOL_OK;
373 create_volume_label(dev, VolumeName, "Default", false /* not DVD */);
374 dev->VolHdr.LabelType = PRE_LABEL;
376 vol_label_status = read_dev_volume_label(this);
378 if (job_canceled(jcr)) {
382 Dmsg2(150, "Want dirVol=%s dirStat=%s\n", VolumeName,
383 VolCatInfo.VolCatStatus);
386 * At this point, dev->VolCatInfo has what is in the drive, if anything,
387 * and dcr->VolCatInfo has what the Director wants.
389 switch (vol_label_status) {
391 Dmsg1(150, "Vol OK name=%s\n", dev->VolHdr.VolumeName);
392 dev->VolCatInfo = VolCatInfo; /* structure assignment */
393 break; /* got a Volume */
395 VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
396 char saveVolumeName[MAX_NAME_LENGTH];
398 Dmsg2(150, "Vol NAME Error Have=%s, want=%s\n", dev->VolHdr.VolumeName, VolumeName);
399 if (dev->is_volume_to_unload()) {
401 goto check_next_volume;
404 /* If not removable, Volume is broken */
405 if (!dev->is_removable()) {
406 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
407 VolumeName, dev->print_name());
408 mark_volume_in_error();
409 goto check_next_volume;
413 * OK, we got a different volume mounted. First save the
414 * requested Volume info (dcr) structure, then query if
415 * this volume is really OK. If not, put back the desired
416 * volume name, mark it not in changer and continue.
418 dcrVolCatInfo = VolCatInfo; /* structure assignment */
419 devVolCatInfo = dev->VolCatInfo; /* structure assignment */
420 /* Check if this is a valid Volume in the pool */
421 bstrncpy(saveVolumeName, VolumeName, sizeof(saveVolumeName));
422 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
423 if (!dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE)) {
424 POOL_MEM vol_info_msg;
425 pm_strcpy(vol_info_msg, jcr->dir_bsock->msg); /* save error message */
426 /* Restore desired volume name, note device info out of sync */
427 /* This gets the info regardless of the Pool */
428 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
429 if (autochanger && !dir_get_volume_info(this, GET_VOL_INFO_FOR_READ)) {
431 * If we get here, we know we cannot write on the Volume,
432 * and we know that we cannot read it either, so it
433 * is not in the autochanger.
435 mark_volume_not_inchanger();
437 dev->VolCatInfo = devVolCatInfo; /* structure assignment */
438 dev->set_unload(); /* unload this volume */
439 Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
440 " Current Volume \"%s\" not acceptable because:\n"
442 dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
443 vol_info_msg.c_str());
445 /* Restore saved DCR before continuing */
446 bstrncpy(VolumeName, saveVolumeName, sizeof(VolumeName));
447 VolCatInfo = dcrVolCatInfo; /* structure assignment */
448 goto check_next_volume;
451 * This was not the volume we expected, but it is OK with
452 * the Director, so use it.
454 Dmsg1(150, "Got new Volume name=%s\n", VolumeName);
455 dev->VolCatInfo = VolCatInfo; /* structure assignment */
456 Dmsg1(100, "Call reserve_volume=%s\n", dev->VolHdr.VolumeName);
457 if (reserve_volume(this, dev->VolHdr.VolumeName) == NULL) {
458 Jmsg2(jcr, M_WARNING, 0, _("Could not reserve volume %s on %s\n"),
459 dev->VolHdr.VolumeName, dev->print_name());
461 dev->setVolCatInfo(false);
462 setVolCatInfo(false);
463 goto check_next_volume;
465 break; /* got a Volume */
467 * At this point, we assume we have a blank tape mounted.
471 Jmsg(jcr, M_FATAL, 0, "%s", jcr->errmsg);
472 mark_volume_in_error();
473 goto check_bail_out; /* we could not write on DVD */
475 /* Fall through wanted */
477 switch (try_autolabel(true)) {
479 goto check_next_volume;
481 goto check_read_volume;
487 /* NOTE! Fall-through wanted. */
490 Dmsg0(200, "VOL_NO_MEDIA or default.\n");
491 /* Send error message */
494 Dmsg1(200, "Msg suppressed by poll: %s\n", jcr->errmsg);
497 /* Needed, so the medium can be changed */
498 if (dev->requires_mount()) {
502 goto check_next_volume;
507 dev->setVolCatInfo(false);
508 setVolCatInfo(false);
509 return check_next_vol;
515 return check_read_vol;
520 bool DCR::is_suitable_volume_mounted()
522 /* Volume mounted? */
523 if (dev->VolHdr.VolumeName[0] == 0 || dev->swap_dev || dev->must_unload()) {
524 return false; /* no */
526 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
527 return dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
530 bool DCR::do_unload()
532 if (dev->must_unload()) {
533 Dmsg1(100, "must_unload release %s\n", dev->print_name());
539 bool DCR::do_load(bool is_writing)
541 if (dev->must_load()) {
542 Dmsg1(100, "Must load %s\n", dev->print_name());
543 if (autoload_device(this, is_writing, NULL) > 0) {
552 void DCR::do_swapping(bool is_writing)
555 * See if we are asked to swap the Volume from another device
556 * if so, unload the other device here, and attach the
557 * volume to our drive.
560 if (dev->swap_dev->must_unload()) {
562 dev->swap_dev->set_slot(dev->vol->get_slot());
564 Dmsg2(100, "Swap unloading slot=%d %s\n", dev->swap_dev->get_slot(),
565 dev->swap_dev->print_name());
566 unload_dev(this, dev->swap_dev);
569 dev->vol->clear_swapping();
570 Dmsg1(100, "=== set in_use vol=%s\n", dev->vol->vol_name);
571 dev->vol->set_in_use();
572 dev->VolHdr.VolumeName[0] = 0; /* don't yet have right Volume */
574 Dmsg1(100, "No vol on dev=%s\n", dev->print_name());
576 if (dev->swap_dev->vol) {
577 Dmsg2(100, "Vol=%s on dev=%s\n", dev->swap_dev->vol->vol_name,
578 dev->swap_dev->print_name());
580 dev->swap_dev = NULL;
586 * Check if the current position on the volume corresponds to
587 * what is in the catalog.
589 bool DCR::is_eod_valid()
592 char ed1[50], ed2[50];
593 if (dev->VolCatInfo.VolCatBytes == dev->part_start + dev->part_size) {
594 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
595 " part=%d size=%s\n"), VolumeName,
596 dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
598 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on DVD Volume \"%s\" because: "
599 "The sizes do not match! Volume=%s Catalog=%s\n"),
601 edit_uint64(dev->part_start + dev->part_size, ed1),
602 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
603 mark_volume_in_error();
606 } else if (dev->is_tape()) {
608 * Check if we are positioned on the tape at the same place
609 * that the database says we should be.
611 if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
612 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
613 VolumeName, dev->get_file());
615 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on tape Volume \"%s\" because:\n"
616 "The number of files mismatch! Volume=%u Catalog=%u\n"),
617 VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
618 mark_volume_in_error();
621 } else if (dev->is_file()) {
622 char ed1[50], ed2[50];
624 pos = dev->lseek(this, (boffset_t)0, SEEK_END);
625 if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
626 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
627 " size=%s\n"), VolumeName,
628 edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
630 Mmsg(jcr->errmsg, _("Bacula cannot write on disk Volume \"%s\" because: "
631 "The sizes do not match! Volume=%s Catalog=%s\n"),
633 edit_uint64(pos, ed1),
634 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
635 Jmsg(jcr, M_ERROR, 0, jcr->errmsg);
636 Dmsg0(050, jcr->errmsg);
637 mark_volume_in_error();
646 * If permitted, we label the device, make sure we can do
647 * it by checking that the VolCatBytes is zero => not labeled,
648 * once the Volume is labeled we don't want to label another
649 * blank tape with the same name. For disk, we go ahead and
650 * label it anyway, because the OS insures that there is only
651 * one Volume with that name.
652 * As noted above, at this point dcr->VolCatInfo has what
653 * the Director wants and dev->VolCatInfo has info on the
654 * previous tape (or nothing).
657 * try_next_vol label failed, look for another volume
658 * try_read_vol labeled volume, now re-read the label
659 * try_error hard error (catalog update)
660 * try_default I couldn't do anything
662 int DCR::try_autolabel(bool opened)
666 if (dev->poll && !dev->is_tape()) {
667 return try_default; /* if polling, don't try to create new labels */
669 /* For a tape require it to be opened and read before labeling */
670 if (!opened && dev->is_tape()) {
673 if (dev->has_cap(CAP_LABEL) && (VolCatInfo.VolCatBytes == 0 ||
674 (!dev->is_tape() && strcmp(VolCatInfo.VolCatStatus,
676 Dmsg0(150, "Create volume label\n");
677 /* Create a new Volume label and write it to the device */
678 if (!write_new_volume_label_to_dev(dcr, VolumeName,
679 pool_name, false, /* no relabel */ false /* defer DVD label */)) {
680 Dmsg2(150, "write_vol_label failed. vol=%s, pool=%s\n",
681 VolumeName, pool_name);
683 mark_volume_in_error();
687 Dmsg0(150, "dir_update_vol_info. Set Append\n");
688 /* Copy Director's info into the device info */
689 dev->VolCatInfo = VolCatInfo; /* structure assignment */
690 if (!dir_update_volume_info(dcr, true, true)) { /* indicate tape labeled */
693 Jmsg(dcr->jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
694 VolumeName, dev->print_name());
695 return try_read_vol; /* read label we just wrote */
697 if (!dev->has_cap(CAP_LABEL) && VolCatInfo.VolCatBytes == 0) {
698 Jmsg(jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"),
701 /* If not removable, Volume is broken */
702 if (!dev->is_removable()) {
703 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
704 VolumeName, dev->print_name());
705 mark_volume_in_error();
713 * Mark volume in error in catalog
715 void DCR::mark_volume_in_error()
717 Jmsg(jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
719 dev->VolCatInfo = VolCatInfo; /* structure assignment */
720 bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
721 Dmsg0(150, "dir_update_vol_info. Set Error.\n");
722 dir_update_volume_info(this, false, false);
724 Dmsg0(50, "set_unload\n");
725 dev->set_unload(); /* must get a new volume */
729 * The Volume is not in the correct slot, so mark this
730 * Volume as not being in the Changer.
732 void DCR::mark_volume_not_inchanger()
734 Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
735 " Setting InChanger to zero in catalog.\n"),
736 getVolCatName(), VolCatInfo.Slot);
737 dev->VolCatInfo = VolCatInfo; /* structure assignment */
738 VolCatInfo.InChanger = false;
739 dev->VolCatInfo.InChanger = false;
740 Dmsg0(400, "update vol info in mount\n");
741 dir_update_volume_info(this, true, false); /* set new status */
745 * Either because we are going to hang a new volume, or because
746 * of explicit user request, we release the current volume.
748 void DCR::release_volume()
750 unload_autochanger(this, -1);
753 Jmsg0(jcr, M_ERROR, 0, _("Hey!!!!! WroteVol non-zero !!!!!\n"));
754 Pmsg0(190, "Hey!!!!! WroteVol non-zero !!!!!\n");
757 * First erase all memory of the current volume
760 dev->block_num = dev->file = 0;
761 dev->EndBlock = dev->EndFile = 0;
762 memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
764 /* Force re-read of label */
765 dev->clear_labeled();
768 dev->label_type = B_BACULA_LABEL;
771 if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
775 /* If we have not closed the device, then at least rewind the tape */
776 if (dev->is_open()) {
777 dev->offline_or_rewind();
779 Dmsg0(190, "release_volume\n");
785 * Check to see if the tape position as defined by the OS is
786 * the same as our concept. If it is not,
787 * it means the user has probably manually rewound the tape.
788 * Note, we check only if num_writers == 0, but this code will
789 * also work fine for any number of writers. If num_writers > 0,
790 * we probably should cancel all jobs using this device, or
791 * perhaps even abort the SD, or at a minimum, mark the tape
792 * in error. Another strategy with num_writers == 0, would be
793 * to rewind the tape and do a new eod() request.
795 bool DCR::is_tape_position_ok()
797 if (dev->is_tape() && dev->num_writers == 0) {
798 int32_t file = dev->get_os_tape_file();
799 if (file >= 0 && file != (int32_t)dev->get_file()) {
800 Jmsg(jcr, M_ERROR, 0, _("Invalid tape position on volume \"%s\""
801 " on device %s. Expected %d, got %d\n"),
802 dev->VolHdr.VolumeName, dev->print_name(), dev->get_file(), file);
804 * If the current file is greater than zero, it means we probably
805 * have some bad count of EOF marks, so mark tape in error. Otherwise
806 * the operator might have moved the tape, so we just release it
810 mark_volume_in_error();
821 * If we are reading, we come here at the end of the tape
822 * and see if there are more volumes to be mounted.
824 bool mount_next_read_volume(DCR *dcr)
826 DEVICE *dev = dcr->dev;
828 Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
830 volume_unused(dcr); /* release current volume */
832 * End Of Tape -- mount next Volume (if another specified)
834 if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
836 if (!acquire_device_for_read(dcr)) {
837 Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),
841 return true; /* next volume mounted */
843 Dmsg0(90, "End of Device reached.\n");