/*
- *
- * Routines for handling mounting tapes for reading and for
- * writing.
- *
- * Kern Sibbald, August MMII
- *
- * Version $Id$
- */
-/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ Copyright (C) 2002-2007 Free Software Foundation Europe e.V.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ *
+ * Routines for handling mounting tapes for reading and for
+ * writing.
+ *
+ * Kern Sibbald, August MMII
+ *
+ * Version $Id$
*/
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
-/* Forward referenced functions */
+static void mark_volume_not_inchanger(DCR *dcr);
+static int try_autolabel(DCR *dcr, bool opened);
+enum {
+ try_next_vol = 1,
+ try_read_vol,
+ try_error,
+ try_default
+};
/*
- * If release is set, we rewind the current volume,
- * which we no longer want, and ask the user (console)
+ * If release is set, we rewind the current volume,
+ * which we no longer want, and ask the user (console)
* to mount the next volume.
*
* Continue trying until we get it, and then ensure
*
* This routine returns a 0 only if it is REALLY
* impossible to get the requested Volume.
+ *
*/
-int mount_next_write_volume(JCR *jcr, DEVICE *dev, DEV_BLOCK *block, int release)
+bool mount_next_write_volume(DCR *dcr, bool release)
{
- int recycle, ask, retry = 0, autochanger;
+ int retry = 0;
+ bool ask = false, recycle, autochanger;
+ int vol_label_status;
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+ DEV_BLOCK *block = dcr->block;
+ int mode;
- Dmsg0(100, "Enter mount_next_volume()\n");
+ Dmsg2(150, "Enter mount_next_volume(release=%d) dev=%s\n", release,
+ dev->print_name());
+ init_device_wait_timers(dcr);
+
+ /*
+ * Attempt to mount the next volume. If something non-fatal goes
+ * wrong, we come back here to re-try (new op messages, re-read
+ * Volume, ...)
+ */
mount_next_vol:
- if (retry++ > 5) {
- Jmsg(jcr, M_FATAL, 0, _("Too many errors trying to mount device %s.\n"),
- dev_name(dev));
- return 0;
+ Dmsg1(150, "mount_next_vol retry=%d\n", retry);
+ /* Ignore retry if this is poll request */
+ if (!dev->poll && retry++ > 4) {
+ /* Last ditch effort before giving up, force operator to respond */
+ dcr->VolCatInfo.Slot = 0;
+ if (!dir_ask_sysop_to_mount_volume(dcr)) {
+ Jmsg(jcr, M_FATAL, 0, _("Too many errors trying to mount device %s.\n"),
+ dev->print_name());
+ return false;
+ }
}
if (job_canceled(jcr)) {
- Jmsg(jcr, M_FATAL, 0, _("Job canceled.\n"));
- return 0;
+ Jmsg(jcr, M_FATAL, 0, _("Job %d canceled.\n"), jcr->JobId);
+ return false;
}
- recycle = ask = autochanger = 0;
+ recycle = false;
if (release) {
- Dmsg0(100, "mount_next_volume release=1\n");
- /*
- * First erase all memory of the current volume
- */
- dev->block_num = dev->file = 0;
- dev->EndBlock = dev->EndFile = 0;
- memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
- memset(&jcr->VolCatInfo, 0, sizeof(jcr->VolCatInfo));
- memset(&dev->VolHdr, 0, sizeof(dev->VolHdr));
- dev->state &= ~ST_LABEL; /* label not yet read */
- jcr->VolumeName[0] = 0;
-
- if (!dev_is_tape(dev) || !dev_cap(dev, CAP_ALWAYSOPEN)) {
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- offline_dev(dev);
- /*
- * Note, this rewind probably should not be here (it wasn't
- * in prior versions of Bacula), but on FreeBSD, this is
- * needed in the case the tape was "frozen" due to an error
- * such as backspacing after writing and EOF. If it is not
- * done, all future references to the drive get and I/O error.
- */
- } else if (!rewind_dev(dev)) {
- Jmsg2(jcr, M_WARNING, 0, _("Rewind error on device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- }
- close_dev(dev);
- }
-
- /* If we have not closed the device, then at least rewind the tape */
- if (dev->state & ST_OPENED) {
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- offline_dev(dev);
- } else if (!rewind_dev(dev)) {
- Jmsg2(jcr, M_WARNING, 0, _("Rewind error on device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- }
- }
- ask = 1; /* ask operator to mount tape */
+ Dmsg0(150, "mount_next_volume release=1\n");
+ release_volume(dcr);
+ ask = true; /* ask operator to mount tape */
}
- /*
- * Get Director's idea of what tape we should have mounted.
+ /*
+ * Get Director's idea of what tape we should have mounted.
+ * in dcr->VolCatInfo
*/
- if (!dir_find_next_appendable_volume(jcr) &&
- !dir_ask_sysop_to_mount_next_volume(jcr, dev)) {
- return 0;
+ Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
+ while (!dir_find_next_appendable_volume(dcr)) {
+ Dmsg0(200, "not dir_find_next\n");
+ if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
+ return false;
+ }
+ Dmsg0(200, "Again dir_find_next_append...\n");
}
- Dmsg2(100, "After find_next_append. Vol=%s Slot=%d\n",
- jcr->VolCatInfo.VolCatName, jcr->VolCatInfo.Slot);
-
- /*
+ if (job_canceled(jcr)) {
+ return false;
+ }
+ Dmsg3(150, "After find_next_append. Vol=%s Slot=%d Parts=%d\n",
+ dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot, dcr->VolCatInfo.VolCatParts);
+
+ /*
* Get next volume and ready it for append
* This code ensures that the device is ready for
* writing. We start from the assumption that there
- * may not be a tape mounted.
+ * may not be a tape mounted.
*
* If the device is a file, we create the output
* file. If it is a tape, we check the volume name
* and move the tape to the end of data.
*
- * It assumes that the device is not already in use!
- *
*/
+ if (autoload_device(dcr, 1, NULL) > 0) {
+ autochanger = true;
+ ask = false;
+ } else {
+ autochanger = false;
+ dcr->VolCatInfo.Slot = 0;
+ }
+ Dmsg1(200, "autoload_dev returns %d\n", autochanger);
+ /*
+ * If we autochanged to correct Volume or (we have not just
+ * released the Volume AND we can automount) we go ahead
+ * and read the label. If there is no tape in the drive,
+ * we will err, recurse and ask the operator the next time.
+ */
+ if (!release && dev->is_tape() && dev->has_cap(CAP_AUTOMOUNT)) {
+ Dmsg0(150, "(1)Ask=0\n");
+ ask = false; /* don't ask SYSOP this time */
+ }
+ /* Don't ask if not removable */
+ if (!dev->is_removable()) {
+ Dmsg0(150, "(2)Ask=0\n");
+ ask = false;
+ }
+ Dmsg2(150, "Ask=%d autochanger=%d\n", ask, autochanger);
+ release = true; /* release next time if we "recurse" */
- Dmsg0(100, "Enter ready_dev_for_append\n");
-
- dev->state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
+ if (ask && !dir_ask_sysop_to_mount_volume(dcr)) {
+ Dmsg0(150, "Error return ask_sysop ...\n");
+ return false; /* error return */
+ }
+ if (job_canceled(jcr)) {
+ return false;
+ }
+ Dmsg1(150, "want vol=%s\n", dcr->VolumeName);
- jcr->VolFirstIndex = jcr->JobFiles; /* first update of Vol FileIndex */
- for ( ;; ) {
- int vol_label_status;
- autochanger = autoload_device(jcr, dev, 1, NULL);
+ if (dev->poll && dev->has_cap(CAP_CLOSEONPOLL)) {
+ dev->close();
+ }
- /*
- * If we autochanged to correct Volume or (we have not just
- * released the Volume AND we can automount) we go ahead
- * and read the label. If there is no tape in the drive,
- * we will err, recurse and ask the operator the next time.
- */
- if (autochanger || (!release && dev_is_tape(dev) && dev_cap(dev, CAP_AUTOMOUNT))) {
- ask = 0; /* don't ask SYSOP this time */
+ /* Ensure the device is open */
+ if (dev->has_cap(CAP_STREAM)) {
+ mode = OPEN_WRITE_ONLY;
+ } else {
+ mode = OPEN_READ_WRITE;
+ }
+ /* Try autolabel if enabled */
+ if (dev->open(dcr, mode) < 0) {
+ try_autolabel(dcr, false); /* try to create a new volume label */
+ }
+ while (dev->open(dcr, mode) < 0) {
+ Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror());
+ if ((dev->is_file() && dev->is_removable()) || dev->is_dvd()) {
+ bool ok = true;
+ Dmsg0(150, "call scan_dir_for_vol\n");
+ if (dev->is_dvd()) {
+ if (!dev->mount(0)) {
+ ok = false;
+ }
+ }
+ if (ok && dev->scan_dir_for_volume(dcr)) {
+ if (dev->open(dcr, mode) >= 0) {
+ break; /* got a valid volume */
+ }
+ }
+ if (ok && dev->is_dvd()) {
+ dev->unmount(0);
+ }
}
+ if (try_autolabel(dcr, false) == try_read_vol) {
+ break; /* created a new volume label */
+ }
+ /* If DVD, ignore the error, very often you cannot open the device
+ * (when there is no DVD, or when the one inserted is a wrong one) */
+ if (dev->poll || dev->is_dvd() || dev->is_removable()) {
+ goto mount_next_vol;
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _("Could not open device %s: ERR=%s\n"),
+ dev->print_name(), dev->print_errmsg());
+ return false;
+ }
+ }
- release = 1; /* release next time if we "recurse" */
+ /*
+ * Now make sure we have the right tape mounted
+ */
+read_volume:
+ /*
+ * If we are writing to a stream device, ASSUME the volume label
+ * is correct.
+ */
+ if (dev->has_cap(CAP_STREAM)) {
+ vol_label_status = VOL_OK;
+ create_volume_label(dev, dcr->VolumeName, "Default", false /* not DVD */);
+ dev->VolHdr.LabelType = PRE_LABEL;
+ } else {
+ vol_label_status = read_dev_volume_label(dcr);
+ }
+ if (job_canceled(jcr)) {
+ return false;
+ }
- if (ask && !dir_ask_sysop_to_mount_next_volume(jcr, dev)) {
- Dmsg0(100, "Error return ask_sysop ...\n");
- return 0; /* error return */
- }
- Dmsg1(100, "want vol=%s\n", jcr->VolumeName);
-
- /* Open device */
- if (!(dev->state & ST_OPENED)) {
- int mode;
- if (dev_cap(dev, CAP_STREAM)) {
- mode = OPEN_WRITE_ONLY;
- } else {
- mode = OPEN_READ_WRITE;
- }
- if (open_dev(dev, jcr->VolCatInfo.VolCatName, mode) < 0) {
- Jmsg2(jcr, M_FATAL, 0, _("Unable to open device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- return 0;
- }
+ Dmsg2(150, "Want dirVol=%s dirStat=%s\n", dcr->VolumeName,
+ dcr->VolCatInfo.VolCatStatus);
+ /*
+ * At this point, dev->VolCatInfo has what is in the drive, if anything,
+ * and dcr->VolCatInfo has what the Director wants.
+ */
+ switch (vol_label_status) {
+ case VOL_OK:
+ Dmsg1(150, "Vol OK name=%s\n", dcr->VolumeName);
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
+ break; /* got a Volume */
+ case VOL_NAME_ERROR:
+ VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
+ char VolumeName[MAX_NAME_LENGTH];
+
+ /* If not removable, Volume is broken */
+ if (!dev->is_removable()) {
+ Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
+ dcr->VolumeName, dev->print_name());
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
}
+ Dmsg1(150, "Vol NAME Error Name=%s\n", dcr->VolumeName);
+ /* If polling and got a previous bad name, ignore it */
+ if (dev->poll && strcmp(dev->BadVolName, dev->VolHdr.VolumeName) == 0) {
+ ask = true;
+ Dmsg1(200, "Vol Name error supress due to poll. Name=%s\n", dcr->VolumeName);
+ goto mount_next_vol;
+ }
/*
- * Now make sure we have the right tape mounted
- */
-read_volume:
- /*
- * If we are writing to a stream device, ASSUME the volume label
- * is correct.
+ * OK, we got a different volume mounted. First save the
+ * requested Volume info (dcr) structure, then query if
+ * this volume is really OK. If not, put back the desired
+ * volume name, mark it not in changer and continue.
*/
- if (dev_cap(dev, CAP_STREAM)) {
- vol_label_status = VOL_OK;
- create_volume_label(dev, jcr->VolumeName);
- dev->VolHdr.LabelType = PRE_LABEL;
- } else {
- vol_label_status = read_dev_volume_label(jcr, dev, block);
+ dcrVolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ devVolCatInfo = dev->VolCatInfo; /* structure assignment */
+ /* Check if this is a valid Volume in the pool */
+ bstrncpy(VolumeName, dcr->VolumeName, sizeof(VolumeName));
+ bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
+ if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE)) {
+ /* Restore desired volume name, note device info out of sync */
+ /* This gets the info regardless of the Pool */
+ bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
+ if (autochanger && !dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) {
+ /*
+ * If we get here, we know we cannot write on the Volume,
+ * and we know that we cannot read it either, so it
+ * is not in the autochanger.
+ */
+ mark_volume_not_inchanger(dcr);
+ }
+ dev->VolCatInfo = devVolCatInfo; /* structure assignment */
+ bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
+ Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
+ " Current Volume \"%s\" not acceptable because:\n"
+ " %s"),
+ dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
+ jcr->dir_bsock->msg);
+ ask = true;
+ /* Restore saved DCR before continuing */
+ bstrncpy(dcr->VolumeName, VolumeName, sizeof(dcr->VolumeName));
+ dcr->VolCatInfo = dcrVolCatInfo; /* structure assignment */
+ goto mount_next_vol;
}
/*
- * At this point, dev->VolCatInfo has what is in the drive, if anything,
- * and jcr->VolCatInfo has what the Director wants.
+ * This was not the volume we expected, but it is OK with
+ * the Director, so use it.
*/
- switch (vol_label_status) {
- case VOL_OK:
- Dmsg1(100, "Vol OK name=%s\n", jcr->VolumeName);
- memcpy(&dev->VolCatInfo, &jcr->VolCatInfo, sizeof(jcr->VolCatInfo));
- if (strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0) {
- recycle = 1;
- }
- break; /* got a Volume */
- case VOL_NAME_ERROR:
- VOLUME_CAT_INFO VolCatInfo;
-
- Dmsg1(100, "Vol NAME Error Name=%s\n", jcr->VolumeName);
- /*
- * OK, we got a different volume mounted. First save the
- * requested Volume info (jcr) structure, then query if
- * this volume is really OK. If not, put back the desired
- * volume name and continue.
- */
- memcpy(&VolCatInfo, &jcr->VolCatInfo, sizeof(jcr->VolCatInfo));
- /* Check if this is a valid Volume in the pool */
- pm_strcpy(&jcr->VolumeName, dev->VolHdr.VolName);
- if (!dir_get_volume_info(jcr, 1)) {
- Mmsg(&jcr->errmsg, _("Director wanted Volume \"%s\".\n"
- " Current Volume \"%s\" not acceptable because:\n"
- " %s"),
- VolCatInfo.VolCatName, dev->VolHdr.VolName,
- jcr->dir_bsock->msg);
- /* Restore desired volume name, note device info out of sync */
- memcpy(&jcr->VolCatInfo, &VolCatInfo, sizeof(jcr->VolCatInfo));
- goto mount_error;
- }
- Dmsg1(100, "want new name=%s\n", jcr->VolumeName);
- memcpy(&dev->VolCatInfo, &jcr->VolCatInfo, sizeof(jcr->VolCatInfo));
- break; /* got a Volume */
-
- case VOL_NO_LABEL:
- case VOL_IO_ERROR:
- Dmsg1(500, "Vol NO_LABEL or IO_ERROR name=%s\n", jcr->VolumeName);
- /* If permitted, create a label */
- if (dev_cap(dev, CAP_LABEL)) {
- Dmsg0(100, "Create volume label\n");
- if (!write_volume_label_to_dev(jcr, (DEVRES *)dev->device, jcr->VolumeName,
- jcr->pool_name)) {
- Dmsg0(100, "!write_vol_label\n");
- goto mount_next_vol;
- }
- Jmsg(jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
- jcr->VolumeName, dev_name(dev));
- goto read_volume; /* read label we just wrote */
- }
- /* NOTE! Fall-through wanted. */
- default:
-mount_error:
- /* Send error message */
- Jmsg1(jcr, M_WARNING, 0, "%s", jcr->errmsg);
- if (autochanger) {
- invalidate_slot_in_catalog(jcr);
- }
- Dmsg0(100, "Default\n");
- goto mount_next_vol;
+ Dmsg1(150, "want new name=%s\n", dcr->VolumeName);
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
+ break; /* got a Volume */
+ /*
+ * At this point, we assume we have a blank tape mounted.
+ */
+ case VOL_IO_ERROR:
+ if (dev->is_dvd()) {
+ Jmsg(jcr, M_FATAL, 0, "%s", jcr->errmsg);
+ mark_volume_in_error(dcr);
+ return false; /* we could not write on DVD */
+ }
+ /* Fall through wanted */
+ case VOL_NO_LABEL:
+ switch (try_autolabel(dcr, true)) {
+ case try_next_vol:
+ goto mount_next_vol;
+ case try_read_vol:
+ goto read_volume;
+ case try_error:
+ return false;
+ case try_default:
+ break;
}
- break;
+
+ /* NOTE! Fall-through wanted. */
+ case VOL_NO_MEDIA:
+ default:
+ Dmsg0(200, "VOL_NO_MEDIA or default.\n");
+ /* Send error message */
+ if (!dev->poll) {
+ } else {
+ Dmsg1(200, "Msg suppressed by poll: %s\n", jcr->errmsg);
+ }
+ ask = true;
+ /* Needed, so the medium can be changed */
+ if (dev->requires_mount()) {
+ dev->close();
+ }
+ goto mount_next_vol;
}
- /*
- * See if we have a fresh tape or tape with data.
+ /*
+ * See if we have a fresh tape or a tape with data.
*
* Note, if the LabelType is PRE_LABEL, it was labeled
* but never written. If so, rewrite the label but set as
* VOL_LABEL. We rewind and return the label (reconstructed)
* in the block so that in the case of a new tape, data can
- * be appended just after the block label. If we are writing
- * an second volume, the calling routine will write the label
+ * be appended just after the block label. If we are writing
+ * a second volume, the calling routine will write the label
* before writing the overflow block.
*
* If the tape is marked as Recycle, we rewrite the label.
*/
if (dev->VolHdr.LabelType == PRE_LABEL || recycle) {
- Dmsg1(190, "ready_for_append found freshly labeled volume. dev=%x\n", dev);
- dev->VolHdr.LabelType = VOL_LABEL; /* set Volume label */
- write_volume_label_to_block(jcr, dev, block);
- /*
- * If we are not dealing with a streaming device,
- * write the block now to ensure we have write permission.
- * It is better to find out now rather than later.
- */
- if (!dev_cap(dev, CAP_STREAM)) {
- dev->VolCatInfo.VolCatBytes = 0;
- if (!rewind_dev(dev)) {
- Jmsg2(jcr, M_WARNING, 0, _("Rewind error on device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- }
- if (recycle) {
- if (!truncate_dev(dev)) {
- Jmsg2(jcr, M_WARNING, 0, _("Truncate error on device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- }
- }
- /* Attempt write to check write permission */
- if (!write_block_to_dev(jcr, dev, block)) {
- Jmsg2(jcr, M_ERROR, 0, _("Unable to write device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto mount_next_vol;
- }
- if (!rewind_dev(dev)) {
- Jmsg2(jcr, M_ERROR, 0, _("Unable to rewind device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto mount_next_vol;
- }
-
- /* Recreate a correct volume label and return it in the block */
- write_volume_label_to_block(jcr, dev, block);
- }
- /* Set or reset Volume statistics */
- dev->VolCatInfo.VolCatJobs = 0;
- dev->VolCatInfo.VolCatFiles = 0;
- dev->VolCatInfo.VolCatErrors = 0;
- dev->VolCatInfo.VolCatBlocks = 0;
- if (recycle) {
- dev->VolCatInfo.VolCatMounts++;
- dev->VolCatInfo.VolCatRecycles++;
- } else {
- dev->VolCatInfo.VolCatMounts = 1;
- dev->VolCatInfo.VolCatRecycles = 0;
- dev->VolCatInfo.VolCatWrites = 1;
- dev->VolCatInfo.VolCatReads = 1;
- }
- strcpy(dev->VolCatInfo.VolCatStatus, "Append");
- Dmsg0(200, "dir_update_vol_info. Set Append\n");
- dir_update_volume_info(jcr, &dev->VolCatInfo, 1); /* indicate doing relabel */
- if (recycle) {
- Jmsg(jcr, M_INFO, 0, _("Recycled volume \"%s\" on device %s, all previous data lost.\n"),
- jcr->VolumeName, dev_name(dev));
- } else {
- Jmsg(jcr, M_INFO, 0, _("Wrote label to prelabeled Volume \"%s\" on device %s\n"),
- jcr->VolumeName, dev_name(dev));
+ if (!rewrite_volume_label(dcr, recycle)) {
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
}
-
} else {
/*
* OK, at this point, we have a valid Bacula label, but
*/
Dmsg0(200, "Device previously written, moving to end of data\n");
Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
- jcr->VolumeName);
- if (!eod_dev(dev)) {
- Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- Jmsg(jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
- jcr->VolumeName);
- strcpy(dev->VolCatInfo.VolCatStatus, "Error");
- Dmsg0(200, "dir_update_vol_info. Set Error.\n");
- dir_update_volume_info(jcr, &dev->VolCatInfo, 0);
- goto mount_next_vol;
+ dcr->VolumeName);
+ if (!dev->eod(dcr)) {
+ Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device %s: ERR=%s\n"),
+ dev->print_name(), dev->bstrerror());
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
}
- /* *****FIXME**** we should do some checking for files too */
- if (dev_is_tape(dev)) {
- /*
- * Check if we are positioned on the tape at the same place
- * that the database says we should be.
- */
- if (dev->VolCatInfo.VolCatFiles == dev_file(dev)) {
- Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume at file=%d.\n"),
- dev_file(dev));
- } else {
- Jmsg(jcr, M_ERROR, 0, _("I canot write on this volume because:\n\
-The number of files mismatch! Volume=%d Catalog=%d\n"),
- dev_file(dev), dev->VolCatInfo.VolCatFiles);
- strcpy(dev->VolCatInfo.VolCatStatus, "Error");
- Dmsg0(200, "dir_update_vol_info. Set Error.\n");
- dir_update_volume_info(jcr, &dev->VolCatInfo, 0);
- goto mount_next_vol;
- }
+ if (dev->is_dvd()) {
+ char ed1[50], ed2[50];
+ if (dev->VolCatInfo.VolCatBytes == dev->part_start + dev->part_size) {
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
+ " part=%d size=%s\n"), dcr->VolumeName,
+ dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on DVD Volume \"%s\" because: "
+ "The sizes do not match! Volume=%s Catalog=%s\n"),
+ dcr->VolumeName,
+ edit_uint64(dev->part_start + dev->part_size, ed1),
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
+ } else if (dev->is_tape()) {
+ /*
+ * Check if we are positioned on the tape at the same place
+ * that the database says we should be.
+ */
+ if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
+ dcr->VolumeName, dev->get_file());
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on tape Volume \"%s\" because:\n"
+ "The number of files mismatch! Volume=%u Catalog=%u\n"),
+ dcr->VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
+ } else if (dev->is_file()) {
+ char ed1[50], ed2[50];
+ boffset_t pos;
+ pos = dev->lseek(dcr, (boffset_t)0, SEEK_END);
+ if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
+ " size=%s\n"), dcr->VolumeName,
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on disk Volume \"%s\" because: "
+ "The sizes do not match! Volume=%s Catalog=%s\n"),
+ dcr->VolumeName,
+ edit_uint64(pos, ed1),
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
+ }
+ dev->VolCatInfo.VolCatMounts++; /* Update mounts */
+ Dmsg1(150, "update volinfo mounts=%d\n", dev->VolCatInfo.VolCatMounts);
+ if (!dir_update_volume_info(dcr, false)) {
+ return false;
+ }
+
+ /*
+ * DVD : check if the last part was removed or truncated, or if a written
+ * part was overwritten.
+ * We need to do it after dir_update_volume_info, so we have the EndBlock
+ * info. (nb: I don't understand why VolCatFiles is set (used to check
+ * tape file number), but not EndBlock)
+ * Maybe could it be changed "dev->is_file()" (would remove the fixme above)
+ *
+ * Disabled: I had problems with this code...
+ * (maybe is it related to the seek bug ?)
+ */
+#ifdef xxx
+ if (dev->is_dvd()) {
+ Dmsg2(150, "DVD/File sanity check addr=%u vs endblock=%u\n", (unsigned int)dev->file_addr, (unsigned int)dev->VolCatInfo.EndBlock);
+ if (dev->file_addr == dev->VolCatInfo.EndBlock+1) {
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file address=%u.\n"),
+ dcr->VolumeName, (unsigned int)dev->file_addr);
+ }
+ else {
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because:\n"
+ "The EOD file address is wrong: Volume file address=%u != Catalog Endblock=%u(+1)\n"
+ "You probably removed DVD last part in spool directory.\n"),
+ dcr->VolumeName, (unsigned int)dev->file_addr, (unsigned int)dev->VolCatInfo.EndBlock);
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
}
- dev->VolCatInfo.VolCatMounts++; /* Update mounts */
- Dmsg1(200, "update volinfo mounts=%d\n", dev->VolCatInfo.VolCatMounts);
- dir_update_volume_info(jcr, &dev->VolCatInfo, 0);
+#endif
+
/* Return an empty block */
- empty_block(block); /* we used it for reading so set for write */
+ empty_block(block); /* we used it for reading so set for write */
}
- dev->state |= ST_APPEND;
- Dmsg0(100, "Normal return from read_dev_for_append\n");
- return 1;
+ dev->set_append();
+ Dmsg1(150, "set APPEND, normal return from mount_next_write_volume. dev=%s\n",
+ dev->print_name());
+
+ return true;
}
+/*
+ * If permitted, we label the device, make sure we can do
+ * it by checking that the VolCatBytes is zero => not labeled,
+ * once the Volume is labeled we don't want to label another
+ * blank tape with the same name. For disk, we go ahead and
+ * label it anyway, because the OS insures that there is only
+ * one Volume with that name.
+ * As noted above, at this point dcr->VolCatInfo has what
+ * the Director wants and dev->VolCatInfo has info on the
+ * previous tape (or nothing).
+ *
+ * Return codes are:
+ * try_next_vol label failed, look for another volume
+ * try_read_vol labeled volume, now re-read the label
+ * try_error hard error (catalog update)
+ * try_default I couldn't do anything
+ */
+static int try_autolabel(DCR *dcr, bool opened)
+{
+ DEVICE *dev = dcr->dev;
-int mount_next_read_volume(JCR *jcr, DEVICE *dev, DEV_BLOCK *block)
+ if (dev->poll && !dev->is_tape()) {
+ return try_default; /* if polling, don't try to create new labels */
+ }
+ /* For a tape require it to be opened and read before labeling */
+ if (!opened && dev->is_tape()) {
+ return try_default;
+ }
+ if (dev->has_cap(CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 ||
+ (!dev->is_tape() && strcmp(dcr->VolCatInfo.VolCatStatus,
+ "Recycle") == 0))) {
+ Dmsg0(150, "Create volume label\n");
+ /* Create a new Volume label and write it to the device */
+ if (!write_new_volume_label_to_dev(dcr, dcr->VolumeName,
+ dcr->pool_name, false, /* no relabel */ false /* defer DVD label */)) {
+ Dmsg0(150, "!write_vol_label\n");
+ if (opened) {
+ mark_volume_in_error(dcr);
+ }
+ return try_next_vol;
+ }
+ Dmsg0(150, "dir_update_vol_info. Set Append\n");
+ /* Copy Director's info into the device info */
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ if (!dir_update_volume_info(dcr, true)) { /* indicate tape labeled */
+ return try_error;
+ }
+ Jmsg(dcr->jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
+ dcr->VolumeName, dev->print_name());
+ return try_read_vol; /* read label we just wrote */
+ }
+ if (!dev->has_cap(CAP_LABEL) && dcr->VolCatInfo.VolCatBytes == 0) {
+ Jmsg(dcr->jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"),
+ dev->print_name());
+ }
+ /* If not removable, Volume is broken */
+ if (!dev->is_removable()) {
+ Jmsg(dcr->jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
+ dcr->VolumeName, dev->print_name());
+ mark_volume_in_error(dcr);
+ return try_next_vol;
+ }
+ return try_default;
+}
+
+
+/*
+ * Mark volume in error in catalog
+ */
+void mark_volume_in_error(DCR *dcr)
+{
+ DEVICE *dev = dcr->dev;
+ Jmsg(dcr->jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
+ dcr->VolumeName);
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
+ Dmsg0(150, "dir_update_vol_info. Set Error.\n");
+ dir_update_volume_info(dcr, false);
+}
+
+/*
+ * The Volume is not in the correct slot, so mark this
+ * Volume as not being in the Changer.
+ */
+static void mark_volume_not_inchanger(DCR *dcr)
+{
+ JCR *jcr = dcr->jcr;
+ DEVICE *dev = dcr->dev;
+ Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
+" Setting InChanger to zero in catalog.\n"),
+ dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot);
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ dcr->VolCatInfo.InChanger = false;
+ dev->VolCatInfo.InChanger = false;
+ Dmsg0(400, "update vol info in mount\n");
+ dir_update_volume_info(dcr, true); /* set new status */
+}
+
+/*
+ * Either because we are going to hang a new volume, or because
+ * of explicit user request, we release the current volume.
+ */
+void release_volume(DCR *dcr)
+{
+ JCR *jcr = dcr->jcr;
+ DEVICE *dev = dcr->dev;
+ if (dcr->WroteVol) {
+ Jmsg0(jcr, M_ERROR, 0, _("Hey!!!!! WroteVol non-zero !!!!!\n"));
+ Dmsg0(190, "Hey!!!!! WroteVol non-zero !!!!!\n");
+ }
+ /*
+ * First erase all memory of the current volume
+ */
+ dev->block_num = dev->file = 0;
+ dev->EndBlock = dev->EndFile = 0;
+ memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
+ memset(&dcr->VolCatInfo, 0, sizeof(dcr->VolCatInfo));
+ dev->clear_volhdr();
+ /* Force re-read of label */
+ dev->clear_labeled();
+ dev->clear_read();
+ dev->clear_append();
+ dev->label_type = B_BACULA_LABEL;
+ dcr->VolumeName[0] = 0;
+
+ if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
+ dev->close();
+ }
+
+ /* If we have not closed the device, then at least rewind the tape */
+ if (dev->is_open()) {
+ dev->offline_or_rewind();
+ }
+ Dmsg0(190, "release_volume\n");
+}
+
+/*
+ * If we are reading, we come here at the end of the tape
+ * and see if there are more volumes to be mounted.
+ */
+bool mount_next_read_volume(DCR *dcr)
{
- Dmsg2(90, "NumVolumes=%d CurVolume=%d\n", jcr->NumVolumes, jcr->CurVolume);
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+ Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
/*
* End Of Tape -- mount next Volume (if another specified)
*/
- if (jcr->NumVolumes > 1 && jcr->CurVolume < jcr->NumVolumes) {
- close_dev(dev);
- dev->state &= ~ST_READ;
- if (!acquire_device_for_read(jcr, dev, block)) {
- Emsg2(M_FATAL, 0, "Cannot open Dev=%s, Vol=%s\n", dev_name(dev),
- jcr->VolumeName);
- return 0;
+ if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
+ dev->close();
+ if (!acquire_device_for_read(dcr)) {
+ Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),
+ dcr->VolumeName);
+ return false;
}
- return 1; /* next volume mounted */
+ return true; /* next volume mounted */
}
Dmsg0(90, "End of Device reached.\n");
- return 0;
+ return false;
}