* Version $Id$
*/
/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Copyright (C) 2000-2004 Kern Sibbald and John Walker
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
-/* Forward referenced functions */
-static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd);
+static bool rewrite_volume_label(DCR *dcr, bool recycle);
/*
*
* 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;
Dmsg0(100, "Enter mount_next_volume()\n");
+ init_dev_wait_timers(dev);
+
+ /*
+ * 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;
+ /* 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_name(dev));
+ return false;
+ }
}
- if (job_cancelled(jcr)) {
- Jmsg(jcr, M_FATAL, 0, _("Job cancelled.\n"));
- return 0;
+ if (job_canceled(jcr)) {
+ 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);
- }
- 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);
- }
- 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 */
+ release_volume(dcr);
+ ask = true; /* ask operator to mount tape */
}
/*
* Get Director's idea of what tape we should have mounted.
+ * in dcr->VolCatInfo
*/
- if (!dir_find_next_appendable_volume(jcr)) {
- ask = 1; /* we must ask */
- Dmsg0(100, "did not find next volume. Must ask.\n");
+ 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");
+ }
+ if (job_canceled(jcr)) {
+ return false;
}
Dmsg2(100, "After find_next_append. Vol=%s Slot=%d\n",
- jcr->VolCatInfo.VolCatName, jcr->VolCatInfo.Slot);
- release = 1; /* release if we "recurse" */
+ dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot);
/*
* Get next volume and ready it for append
* It assumes that the device is not already in use!
*
*/
-
- Dmsg0(100, "Enter ready_dev_for_append\n");
-
dev->state &= ~(ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
- jcr->VolFirstFile = jcr->JobFiles; /* first update of Vol FileIndex */
- for ( ;; ) {
- int vol_label_status;
- autochanger = autoload_device(jcr, dev, 1, NULL);
- if (autochanger) {
- ask = 0; /* if autochange no need to ask sysop */
- }
+ if (autoload_device(dcr, 1, NULL) > 0) {
+ autochanger = true;
+ ask = false;
+ } else {
+ autochanger = false;
+ dcr->VolCatInfo.Slot = 0;
+ }
+ Dmsg1(100, "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) && dev_cap(dev, CAP_AUTOMOUNT)) {
+ ask = false; /* don't ask SYSOP this time */
+ }
+ /* Don't ask if not removable */
+ if (!dev_cap(dev, CAP_REM)) {
+ ask = false;
+ }
+ Dmsg2(100, "Ask=%d autochanger=%d\n", ask, autochanger);
+ release = true; /* release next time if we "recurse" */
- 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);
+ if (ask && !dir_ask_sysop_to_mount_volume(dcr)) {
+ Dmsg0(100, "Error return ask_sysop ...\n");
+ return false; /* error return */
+ }
+ if (job_canceled(jcr)) {
+ return false;
+ }
+ Dmsg1(100, "want vol=%s\n", dcr->VolumeName);
- /* Open device */
- for ( ; !(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;
- }
+ if (dev->poll && dev_cap(dev, CAP_CLOSEONPOLL)) {
+ force_close_dev(dev);
+ }
+
+ /* Ensure the device is open */
+ if (!open_device(dcr)) {
+ if (dev->poll) {
+ goto mount_next_vol;
+ } else {
+ return false;
}
+ }
- /*
- * Now make sure we have the right tape mounted
- */
+ /*
+ * 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_cap(dev, CAP_STREAM)) {
+ vol_label_status = VOL_OK;
+ create_volume_label(dev, dcr->VolumeName, "Default");
+ dev->VolHdr.LabelType = PRE_LABEL;
+ } else {
+ vol_label_status = read_dev_volume_label(dcr);
+ }
+ if (job_canceled(jcr)) {
+ return false;
+ }
+
+ Dmsg2(100, "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(100, "Vol OK name=%s\n", dcr->VolumeName);
+ memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
+ break; /* got a Volume */
+ case VOL_NAME_ERROR:
+ VOLUME_CAT_INFO VolCatInfo;
+
+ /* If not removable, Volume is broken */
+ if (!dev_cap(dev, CAP_REM)) {
+ Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
+ dcr->VolumeName, dev_name(dev));
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
+
+ Dmsg1(100, "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.VolName) == 0) {
+ ask = true;
+ Dmsg1(200, "Vol Name error supress due to poll. Name=%s\n",
+ dcr->VolumeName);
+ goto mount_next_vol;
+ }
/*
- * 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 (jcr) structure, then query if
+ * this volume is really OK. If not, put back the desired
+ * volume name 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);
+ memcpy(&VolCatInfo, &dcr->VolCatInfo, sizeof(VolCatInfo));
+ /* Check if this is a valid Volume in the pool */
+ bstrncpy(dcr->VolumeName, dev->VolHdr.VolName, sizeof(dcr->VolumeName));
+ if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE)) {
+ bstrncpy(dev->BadVolName, dev->VolHdr.VolName, sizeof(dev->BadVolName));
+ Jmsg(jcr, M_WARNING, 0, _("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(&dcr->VolCatInfo, &VolCatInfo, sizeof(dcr->VolCatInfo));
+ ask = true;
+ goto mount_next_vol;
}
- 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 it */
- case VOL_NAME_ERROR:
- Dmsg1(100, "Vol NAME Error Name=%s\n", jcr->VolumeName);
- /*
- * OK, we got a different volume mounted. First save the
- * requested Volume info in the dev structure, then query if
- * this volume is really OK. If not, put back the desired
- * volume name and continue.
- */
- memcpy(&dev->VolCatInfo, &jcr->VolCatInfo, sizeof(jcr->VolCatInfo));
- /* Check if this is a valid Volume in the pool */
- strcpy(jcr->VolumeName, dev->VolHdr.VolName);
- if (!dir_get_volume_info(jcr, 1)) {
- Mmsg(&jcr->errmsg, _("Wanted Volume \"%s\".\n\
- Actual Volume \"%s\" not acceptable.\n"),
- dev->VolCatInfo.VolCatName, dev->VolHdr.VolName);
- /* Restore desired volume name, note device info out of sync */
- memcpy(&jcr->VolCatInfo, &dev->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;
-
- 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, _("Created Volume label %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) {
- Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n\
- Setting slot to zero in catalog.\n"),
- jcr->VolCatInfo.VolCatName, jcr->VolCatInfo.Slot);
- jcr->VolCatInfo.Slot = 0; /* invalidate slot */
- Dmsg0(200, "update vol info in mount\n");
- dir_update_volume_info(jcr, &jcr->VolCatInfo, 1); /* set slot */
- }
- Dmsg0(100, "Default\n");
+ Dmsg1(100, "want new name=%s\n", dcr->VolumeName);
+ memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
+ break; /* got a Volume */
+ /*
+ * At this point, we assume we have a blank tape mounted.
+ */
+ case VOL_NO_LABEL:
+ case VOL_IO_ERROR:
+ /*
+ * 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).
+ */
+ if (dev_cap(dev, CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 ||
+ (!dev_is_tape(dev) && strcmp(dcr->VolCatInfo.VolCatStatus,
+ "Recycle") == 0))) {
+ Dmsg0(100, "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)) {
+ Dmsg0(100, "!write_vol_label\n");
goto mount_next_vol;
+ }
+ Dmsg0(100, "dir_update_vol_info. Set Append\n");
+ /* Copy Director's info into the device info */
+ memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dir_update_volume_info(dcr, true); /* indicate tape labeled */
+ Jmsg(jcr, M_INFO, 0, _("Labeled new Volume \"%s\" on device %s.\n"),
+ dcr->VolumeName, dev_name(dev));
+ goto read_volume; /* read label we just wrote */
+ }
+ /* If not removable, Volume is broken */
+ if (!dev_cap(dev, CAP_REM)) {
+ Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
+ dcr->VolumeName, dev_name(dev));
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
}
- break;
+ /* NOTE! Fall-through wanted. */
+ case VOL_NO_MEDIA:
+ default:
+ /* Send error message */
+ if (!dev->poll) {
+ Jmsg(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ } else {
+ Dmsg1(200, "Msg suppressed by poll: %s\n", jcr->errmsg);
+ }
+ ask = true;
+ 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
+ * 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)) {
+ goto mount_next_vol;
}
-
} else {
/*
* OK, at this point, we have a valid Bacula label, but
* just now putting it into append mode.
*/
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);
+ Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
+ dcr->VolumeName);
if (!eod_dev(dev)) {
- Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data %s. ERR=%s\n"),
+ Jmsg(jcr, M_ERROR, 0, _("Unable to position to end of data on device \"%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);
+ mark_volume_in_error(dcr);
goto mount_next_vol;
}
/* *****FIXME**** we should do some checking for files too */
* 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));
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
+ dcr->VolumeName, 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);
+ Jmsg(jcr, M_ERROR, 0, _("I canot write on Volume \"%s\" because:\n\
+The number of files mismatch! Volume=%u Catalog=%u\n"),
+ dcr->VolumeName, dev_file(dev), dev->VolCatInfo.VolCatFiles);
+ 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);
+ Dmsg1(100, "update volinfo mounts=%d\n", dev->VolCatInfo.VolCatMounts);
+ dir_update_volume_info(dcr, false);
/* Return an empty block */
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;
+ return true;
}
-
-int mount_next_read_volume(JCR *jcr, DEVICE *dev, DEV_BLOCK *block)
+/*
+ * Write a volume label.
+ * Returns: true if OK
+ * false if unable to write it
+ */
+static bool rewrite_volume_label(DCR *dcr, bool recycle)
{
- Dmsg2(90, "NumVolumes=%d CurVolume=%d\n", jcr->NumVolumes, jcr->CurVolume);
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+
+ Dmsg1(190, "ready_for_append found freshly labeled volume. dev=%x\n", dev);
+ dev->VolHdr.LabelType = VOL_LABEL; /* set Volume label */
+ if (!write_volume_label_to_block(dcr)) {
+ return false;
+ }
/*
- * End Of Tape -- mount next Volume (if another specified)
+ * 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 (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 (!dev_cap(dev, CAP_STREAM)) {
+ 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(dcr)) {
+ Jmsg2(jcr, M_ERROR, 0, _("Unable to write device \"%s\". ERR=%s\n"),
+ dev_name(dev), strerror_dev(dev));
+ return false;
}
- return 1; /* next volume mounted */
}
- Dmsg0(90, "End of Device reached.\n");
- return 0;
+ /* Set or reset Volume statistics */
+ dev->VolCatInfo.VolCatJobs = 0;
+ dev->VolCatInfo.VolCatFiles = 0;
+ dev->VolCatInfo.VolCatBytes = 1;
+ dev->VolCatInfo.VolCatErrors = 0;
+ dev->VolCatInfo.VolCatBlocks = 0;
+ dev->VolCatInfo.VolCatRBytes = 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;
+ }
+ Dmsg0(100, "dir_update_vol_info. Set Append\n");
+ bstrncpy(dev->VolCatInfo.VolCatStatus, "Append", sizeof(dev->VolCatInfo.VolCatStatus));
+ dir_update_volume_info(dcr, true); /* indicate doing relabel */
+ if (recycle) {
+ Jmsg(jcr, M_INFO, 0, _("Recycled volume \"%s\" on device \"%s\", all previous data lost.\n"),
+ dcr->VolumeName, dev_name(dev));
+ } else {
+ Jmsg(jcr, M_INFO, 0, _("Wrote label to prelabeled Volume \"%s\" on device \"%s\"\n"),
+ dcr->VolumeName, dev_name(dev));
+ }
+ /*
+ * End writing real Volume label (from pre-labeled tape), or recycling
+ * the volume.
+ */
+ return true;
}
+
/*
- * Called here to do an autoload using the autochanger, if
- * configured, and if a Slot has been defined for this Volume.
- * On success this routine loads the indicated tape, but the
- * label is not read, so it must be verified.
- *
- * Note if dir is not NULL, it is the console requesting the
- * autoload for labeling, so we respond directly to the
- * dir bsock.
- *
- * Returns: 1 on success
- * 0 on failure
+ * 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);
+ bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
+ Dmsg0(100, "dir_update_vol_info. Set Error.\n");
+ dir_update_volume_info(dcr, false);
+}
+
+/*
+ * If we are reading, we come here at the end of the tape
+ * and see if there are more volumes to be mounted.
*/
-int autoload_device(JCR *jcr, DEVICE *dev, int writing, BSOCK *dir)
+bool mount_next_read_volume(DCR *dcr)
{
- int slot = jcr->VolCatInfo.Slot;
- int rtn_stat = 0;
-
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+ Dmsg2(90, "NumVolumes=%d CurVolume=%d\n", jcr->NumVolumes, jcr->CurVolume);
/*
- * Handle autoloaders here. If we cannot autoload it, we
- * will return FALSE to ask the sysop.
+ * End Of Tape -- mount next Volume (if another specified)
*/
- if (writing && dev_cap(dev, CAP_AUTOCHANGER) && slot <= 0) {
- if (dir) {
- return 0; /* For user, bail out right now */
- }
- if (dir_find_next_appendable_volume(jcr)) {
- slot = jcr->VolCatInfo.Slot;
- }
- }
- Dmsg1(100, "Want changer slot=%d\n", slot);
-
- if (slot > 0 && jcr->device->changer_name && jcr->device->changer_command) {
- uint32_t timeout = jcr->device->max_changer_wait;
- POOLMEM *changer, *results;
- int status, loaded;
-
- results = get_pool_memory(PM_MESSAGE);
- changer = get_pool_memory(PM_FNAME);
-
- /* Find out what is loaded, zero means device is unloaded */
- changer = edit_device_codes(jcr, changer, jcr->device->changer_command,
- "loaded");
- status = run_program(changer, timeout, results);
- if (status == 0) {
- loaded = atoi(results);
- } else {
- loaded = -1; /* force unload */
- }
- Dmsg1(100, "loaded=%s\n", results);
-
- /* If bad status or tape we want is not loaded, load it. */
- if (status != 0 || loaded != slot) {
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- offline_dev(dev);
- }
- /* We are going to load a new tape, so close the device */
- force_close_dev(dev);
- if (loaded != 0) { /* must unload drive */
- Dmsg0(100, "Doing changer unload.\n");
- if (dir) {
- bnet_fsend(dir, _("3902 Issuing autochanger \"unload\" command.\n"));
- } else {
- Jmsg(jcr, M_INFO, 0, _("Issuing autochanger \"unload\" command.\n"));
- }
- changer = edit_device_codes(jcr, changer,
- jcr->device->changer_command, "unload");
- status = run_program(changer, timeout, NULL);
- Dmsg1(100, "unload status=%d\n", status);
- }
- /*
- * Load the desired cassette
- */
- Dmsg1(100, "Doing changer load slot %d\n", slot);
- if (dir) {
- bnet_fsend(dir, _("3903 Issuing autochanger \"load slot %d\" command.\n"),
- slot);
- } else {
- Jmsg(jcr, M_INFO, 0, _("Issuing autochanger \"load slot %d\" command.\n"),
- slot);
- }
- changer = edit_device_codes(jcr, changer,
- jcr->device->changer_command, "load");
- status = run_program(changer, timeout, NULL);
- Dmsg2(100, "load slot %d status=%d\n", slot, status);
- }
- free_pool_memory(changer);
- free_pool_memory(results);
- Dmsg1(100, "After changer, status=%d\n", status);
- if (status == 0) { /* did we succeed? */
- rtn_stat = 1; /* tape loaded by changer */
+ if (jcr->NumVolumes > 1 && jcr->CurVolume < jcr->NumVolumes) {
+ close_dev(dev);
+ dev->state &= ~ST_READ;
+ if (!acquire_device_for_read(jcr)) {
+ Jmsg2(jcr, M_FATAL, 0, "Cannot open Dev=%s, Vol=%s\n", dev_name(dev),
+ dcr->VolumeName);
+ return false;
}
+ return true; /* next volume mounted */
}
- return rtn_stat;
+ Dmsg0(90, "End of Device reached.\n");
+ return false;
}
-
-
/*
- * Edit codes into ChangerCommand
- * %% = %
- * %a = archive device name
- * %c = changer device name
- * %f = Client's name
- * %j = Job name
- * %o = command
- * %s = Slot base 0
- * %S = Slot base 1
- * %v = Volume name
- *
- *
- * omsg = edited output message
- * imsg = input string containing edit codes (%x)
- * cmd = command string (load, unload, ...)
- *
+ * Either because we are going to hang a new volume, or because
+ * of explicit user request, we release the current volume.
*/
-static char *edit_device_codes(JCR *jcr, char *omsg, char *imsg, char *cmd)
+void release_volume(DCR *dcr)
{
- char *p;
- const char *str;
- char add[20];
-
- *omsg = 0;
- Dmsg1(200, "edit_device_codes: %s\n", imsg);
- for (p=imsg; *p; p++) {
- if (*p == '%') {
- switch (*++p) {
- case '%':
- str = "%";
- break;
- case 'a':
- str = jcr->device->dev->dev_name;
- break;
- case 'c':
- str = NPRT(jcr->device->changer_name);
- break;
- case 'o':
- str = NPRT(cmd);
- break;
- case 's':
- sprintf(add, "%d", jcr->VolCatInfo.Slot - 1);
- str = add;
- break;
- case 'S':
- sprintf(add, "%d", jcr->VolCatInfo.Slot);
- str = add;
- break;
- case 'j': /* Job name */
- str = jcr->Job;
- break;
- case 'v':
- str = NPRT(jcr->VolumeName);
- break;
- case 'f':
- str = NPRT(jcr->client_name);
- break;
+ JCR *jcr = dcr->jcr;
+ DEVICE *dev = dcr->dev;
+ if (dcr->WroteVol) {
+ Jmsg0(jcr, M_ERROR, 0, "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));
+ memset(&dev->VolHdr, 0, sizeof(dev->VolHdr));
+ /* Force re-read of label */
+ dev->state &= ~(ST_LABEL|ST_READ|ST_APPEND);
+ dcr->VolumeName[0] = 0;
+
+ if ((dev->state & ST_OPENED) &&
+ (!dev_is_tape(dev) || !dev_cap(dev, CAP_ALWAYSOPEN))) {
+ offline_or_rewind_dev(dev);
+ close_dev(dev);
+ }
- default:
- add[0] = '%';
- add[1] = *p;
- add[2] = 0;
- str = add;
- break;
- }
- } else {
- add[0] = *p;
- add[1] = 0;
- str = add;
- }
- Dmsg1(200, "add_str %s\n", str);
- pm_strcat(&omsg, (char *)str);
- Dmsg1(200, "omsg=%s\n", omsg);
+ /* If we have not closed the device, then at least rewind the tape */
+ if (dev->state & ST_OPENED) {
+ offline_or_rewind_dev(dev);
}
- return omsg;
}