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)) {
355 Dmsg0(150, "Again dir_find_next_append...\n");
359 if (dcr->haveVolCatInfo()) {
362 return dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE);
365 int DCR::check_volume_label(bool &ask, bool &autochanger)
367 int vol_label_status;
369 * If we are writing to a stream device, ASSUME the volume label
372 if (dev->has_cap(CAP_STREAM)) {
373 vol_label_status = VOL_OK;
374 create_volume_label(dev, VolumeName, "Default", false /* not DVD */);
375 dev->VolHdr.LabelType = PRE_LABEL;
377 vol_label_status = read_dev_volume_label(this);
379 if (job_canceled(jcr)) {
383 Dmsg2(150, "Want dirVol=%s dirStat=%s\n", VolumeName,
384 VolCatInfo.VolCatStatus);
387 * At this point, dev->VolCatInfo has what is in the drive, if anything,
388 * and dcr->VolCatInfo has what the Director wants.
390 switch (vol_label_status) {
392 Dmsg1(150, "Vol OK name=%s\n", dev->VolHdr.VolumeName);
393 dev->VolCatInfo = VolCatInfo; /* structure assignment */
394 break; /* got a Volume */
396 VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
397 char saveVolumeName[MAX_NAME_LENGTH];
399 Dmsg2(150, "Vol NAME Error Have=%s, want=%s\n", dev->VolHdr.VolumeName, VolumeName);
400 if (dev->is_volume_to_unload()) {
402 goto check_next_volume;
405 /* If not removable, Volume is broken */
406 if (!dev->is_removable()) {
407 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
408 VolumeName, dev->print_name());
409 mark_volume_in_error();
410 goto check_next_volume;
414 * OK, we got a different volume mounted. First save the
415 * requested Volume info (dcr) structure, then query if
416 * this volume is really OK. If not, put back the desired
417 * volume name, mark it not in changer and continue.
419 dcrVolCatInfo = VolCatInfo; /* structure assignment */
420 devVolCatInfo = dev->VolCatInfo; /* structure assignment */
421 /* Check if this is a valid Volume in the pool */
422 bstrncpy(saveVolumeName, VolumeName, sizeof(saveVolumeName));
423 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
424 if (!dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE)) {
425 POOL_MEM vol_info_msg;
426 pm_strcpy(vol_info_msg, jcr->dir_bsock->msg); /* save error message */
427 /* Restore desired volume name, note device info out of sync */
428 /* This gets the info regardless of the Pool */
429 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
430 if (autochanger && !dir_get_volume_info(this, GET_VOL_INFO_FOR_READ)) {
432 * If we get here, we know we cannot write on the Volume,
433 * and we know that we cannot read it either, so it
434 * is not in the autochanger.
436 mark_volume_not_inchanger();
438 dev->VolCatInfo = devVolCatInfo; /* structure assignment */
439 dev->set_unload(); /* unload this volume */
440 Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
441 " Current Volume \"%s\" not acceptable because:\n"
443 dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
444 vol_info_msg.c_str());
446 /* Restore saved DCR before continuing */
447 bstrncpy(VolumeName, saveVolumeName, sizeof(VolumeName));
448 VolCatInfo = dcrVolCatInfo; /* structure assignment */
449 goto check_next_volume;
452 * This was not the volume we expected, but it is OK with
453 * the Director, so use it.
455 Dmsg1(150, "Got new Volume name=%s\n", VolumeName);
456 dev->VolCatInfo = VolCatInfo; /* structure assignment */
457 Dmsg1(100, "Call reserve_volume=%s\n", dev->VolHdr.VolumeName);
458 if (reserve_volume(this, dev->VolHdr.VolumeName) == NULL) {
459 Jmsg2(jcr, M_WARNING, 0, _("Could not reserve volume %s on %s\n"),
460 dev->VolHdr.VolumeName, dev->print_name());
462 dev->setVolCatInfo(false);
463 setVolCatInfo(false);
464 goto check_next_volume;
466 break; /* got a Volume */
468 * At this point, we assume we have a blank tape mounted.
472 Jmsg(jcr, M_FATAL, 0, "%s", jcr->errmsg);
473 mark_volume_in_error();
474 goto check_bail_out; /* we could not write on DVD */
476 /* Fall through wanted */
478 switch (try_autolabel(true)) {
480 goto check_next_volume;
482 goto check_read_volume;
488 /* NOTE! Fall-through wanted. */
491 Dmsg0(200, "VOL_NO_MEDIA or default.\n");
492 /* Send error message */
495 Dmsg1(200, "Msg suppressed by poll: %s\n", jcr->errmsg);
498 /* Needed, so the medium can be changed */
499 if (dev->requires_mount()) {
503 goto check_next_volume;
508 dev->setVolCatInfo(false);
509 setVolCatInfo(false);
510 return check_next_vol;
516 return check_read_vol;
521 bool DCR::is_suitable_volume_mounted()
523 /* Volume mounted? */
524 if (dev->VolHdr.VolumeName[0] == 0 || dev->swap_dev || dev->must_unload()) {
525 return false; /* no */
527 bstrncpy(VolumeName, dev->VolHdr.VolumeName, sizeof(VolumeName));
528 return dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
531 bool DCR::do_unload()
533 if (dev->must_unload()) {
534 Dmsg1(100, "must_unload release %s\n", dev->print_name());
540 bool DCR::do_load(bool is_writing)
542 if (dev->must_load()) {
543 Dmsg1(100, "Must load %s\n", dev->print_name());
544 if (autoload_device(this, is_writing, NULL) > 0) {
553 void DCR::do_swapping(bool is_writing)
556 * See if we are asked to swap the Volume from another device
557 * if so, unload the other device here, and attach the
558 * volume to our drive.
561 if (dev->swap_dev->must_unload()) {
563 dev->swap_dev->set_slot(dev->vol->get_slot());
565 Dmsg2(100, "Swap unloading slot=%d %s\n", dev->swap_dev->get_slot(),
566 dev->swap_dev->print_name());
567 unload_dev(this, dev->swap_dev);
570 dev->vol->clear_swapping();
571 Dmsg1(100, "=== set in_use vol=%s\n", dev->vol->vol_name);
572 dev->vol->set_in_use();
573 dev->VolHdr.VolumeName[0] = 0; /* don't yet have right Volume */
575 Dmsg1(100, "No vol on dev=%s\n", dev->print_name());
577 if (dev->swap_dev->vol) {
578 Dmsg2(100, "Vol=%s on dev=%s\n", dev->swap_dev->vol->vol_name,
579 dev->swap_dev->print_name());
581 dev->swap_dev = NULL;
587 * Check if the current position on the volume corresponds to
588 * what is in the catalog.
590 bool DCR::is_eod_valid()
593 char ed1[50], ed2[50];
594 if (dev->VolCatInfo.VolCatBytes == dev->part_start + dev->part_size) {
595 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
596 " part=%d size=%s\n"), VolumeName,
597 dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
599 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on DVD Volume \"%s\" because: "
600 "The sizes do not match! Volume=%s Catalog=%s\n"),
602 edit_uint64(dev->part_start + dev->part_size, ed1),
603 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
604 mark_volume_in_error();
607 } else if (dev->is_tape()) {
609 * Check if we are positioned on the tape at the same place
610 * that the database says we should be.
612 if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
613 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
614 VolumeName, dev->get_file());
616 Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on tape Volume \"%s\" because:\n"
617 "The number of files mismatch! Volume=%u Catalog=%u\n"),
618 VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
619 mark_volume_in_error();
622 } else if (dev->is_file()) {
623 char ed1[50], ed2[50];
625 pos = dev->lseek(this, (boffset_t)0, SEEK_END);
626 if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
627 Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
628 " size=%s\n"), VolumeName,
629 edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
631 Mmsg(jcr->errmsg, _("Bacula cannot write on disk Volume \"%s\" because: "
632 "The sizes do not match! Volume=%s Catalog=%s\n"),
634 edit_uint64(pos, ed1),
635 edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
636 Jmsg(jcr, M_ERROR, 0, jcr->errmsg);
637 Dmsg0(050, jcr->errmsg);
638 mark_volume_in_error();
647 * If permitted, we label the device, make sure we can do
648 * it by checking that the VolCatBytes is zero => not labeled,
649 * once the Volume is labeled we don't want to label another
650 * blank tape with the same name. For disk, we go ahead and
651 * label it anyway, because the OS insures that there is only
652 * one Volume with that name.
653 * As noted above, at this point dcr->VolCatInfo has what
654 * the Director wants and dev->VolCatInfo has info on the
655 * previous tape (or nothing).
658 * try_next_vol label failed, look for another volume
659 * try_read_vol labeled volume, now re-read the label
660 * try_error hard error (catalog update)
661 * try_default I couldn't do anything
663 int DCR::try_autolabel(bool opened)
667 if (dev->poll && !dev->is_tape()) {
668 return try_default; /* if polling, don't try to create new labels */
670 /* For a tape require it to be opened and read before labeling */
671 if (!opened && dev->is_tape()) {
674 if (dev->has_cap(CAP_LABEL) && (VolCatInfo.VolCatBytes == 0 ||
675 (!dev->is_tape() && strcmp(VolCatInfo.VolCatStatus,
677 Dmsg0(150, "Create volume label\n");
678 /* Create a new Volume label and write it to the device */
679 if (!write_new_volume_label_to_dev(dcr, VolumeName,
680 pool_name, false, /* no relabel */ false /* defer DVD label */)) {
681 Dmsg2(150, "write_vol_label failed. vol=%s, pool=%s\n",
682 VolumeName, pool_name);
684 mark_volume_in_error();
688 Dmsg0(150, "dir_update_vol_info. Set Append\n");
689 /* Copy Director's info into the device info */
690 dev->VolCatInfo = VolCatInfo; /* structure assignment */
691 if (!dir_update_volume_info(dcr, true, true)) { /* indicate tape labeled */
694 Jmsg(dcr->jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
695 VolumeName, dev->print_name());
696 return try_read_vol; /* read label we just wrote */
698 if (!dev->has_cap(CAP_LABEL) && VolCatInfo.VolCatBytes == 0) {
699 Jmsg(jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"),
702 /* If not removable, Volume is broken */
703 if (!dev->is_removable()) {
704 Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
705 VolumeName, dev->print_name());
706 mark_volume_in_error();
714 * Mark volume in error in catalog
716 void DCR::mark_volume_in_error()
718 Jmsg(jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
720 dev->VolCatInfo = VolCatInfo; /* structure assignment */
721 bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
722 Dmsg0(150, "dir_update_vol_info. Set Error.\n");
723 dir_update_volume_info(this, false, false);
725 Dmsg0(50, "set_unload\n");
726 dev->set_unload(); /* must get a new volume */
730 * The Volume is not in the correct slot, so mark this
731 * Volume as not being in the Changer.
733 void DCR::mark_volume_not_inchanger()
735 Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
736 " Setting InChanger to zero in catalog.\n"),
737 getVolCatName(), VolCatInfo.Slot);
738 dev->VolCatInfo = VolCatInfo; /* structure assignment */
739 VolCatInfo.InChanger = false;
740 dev->VolCatInfo.InChanger = false;
741 Dmsg0(400, "update vol info in mount\n");
742 dir_update_volume_info(this, true, false); /* set new status */
746 * Either because we are going to hang a new volume, or because
747 * of explicit user request, we release the current volume.
749 void DCR::release_volume()
751 unload_autochanger(this, -1);
754 Jmsg0(jcr, M_ERROR, 0, _("Hey!!!!! WroteVol non-zero !!!!!\n"));
755 Pmsg0(190, "Hey!!!!! WroteVol non-zero !!!!!\n");
758 * First erase all memory of the current volume
761 dev->block_num = dev->file = 0;
762 dev->EndBlock = dev->EndFile = 0;
763 memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
765 /* Force re-read of label */
766 dev->clear_labeled();
769 dev->label_type = B_BACULA_LABEL;
772 if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
776 /* If we have not closed the device, then at least rewind the tape */
777 if (dev->is_open()) {
778 dev->offline_or_rewind();
780 Dmsg0(190, "release_volume\n");
786 * Check to see if the tape position as defined by the OS is
787 * the same as our concept. If it is not,
788 * it means the user has probably manually rewound the tape.
789 * Note, we check only if num_writers == 0, but this code will
790 * also work fine for any number of writers. If num_writers > 0,
791 * we probably should cancel all jobs using this device, or
792 * perhaps even abort the SD, or at a minimum, mark the tape
793 * in error. Another strategy with num_writers == 0, would be
794 * to rewind the tape and do a new eod() request.
796 bool DCR::is_tape_position_ok()
798 if (dev->is_tape() && dev->num_writers == 0) {
799 int32_t file = dev->get_os_tape_file();
800 if (file >= 0 && file != (int32_t)dev->get_file()) {
801 Jmsg(jcr, M_ERROR, 0, _("Invalid tape position on volume \"%s\""
802 " on device %s. Expected %d, got %d\n"),
803 dev->VolHdr.VolumeName, dev->print_name(), dev->get_file(), file);
805 * If the current file is greater than zero, it means we probably
806 * have some bad count of EOF marks, so mark tape in error. Otherwise
807 * the operator might have moved the tape, so we just release it
811 mark_volume_in_error();
822 * If we are reading, we come here at the end of the tape
823 * and see if there are more volumes to be mounted.
825 bool mount_next_read_volume(DCR *dcr)
827 DEVICE *dev = dcr->dev;
829 Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
831 volume_unused(dcr); /* release current volume */
833 * End Of Tape -- mount next Volume (if another specified)
835 if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
837 if (!acquire_device_for_read(dcr)) {
838 Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),
842 return true; /* next volume mounted */
844 Dmsg0(90, "End of Device reached.\n");