/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2012 Free Software Foundation Europe e.V.
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
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero 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.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
* Returns: true on success
* false on failure
*/
-bool fixup_device_block_write_error(DCR *dcr)
+bool fixup_device_block_write_error(DCR *dcr, int retries)
{
char PrevVolName[MAX_NAME_LENGTH];
DEV_BLOCK *label_blk;
char dt[MAX_TIME_LENGTH];
JCR *jcr = dcr->jcr;
DEVICE *dev = dcr->dev;
+ int blocked = dev->blocked(); /* save any previous blocked status */
+ bool ok = false;
wait_time = time(NULL);
- Dmsg0(100, "Enter fixup_device_block_write_error\n");
+ Dmsg0(100, "=== Enter fixup_device_block_write_error\n");
+ /*
+ * If we are blocked at entry, unblock it, and set our own block status
+ */
+ if (blocked != BST_NOT_BLOCKED) {
+ unblock_device(dev);
+ }
block_device(dev, BST_DOING_ACQUIRE);
- /* Unlock, but leave BLOCKED */
- dev->dunlock();
- bstrncpy(PrevVolName, dev->VolCatInfo.VolCatName, sizeof(PrevVolName));
+ /* Continue unlocked, but leave BLOCKED */
+ dev->Unlock();
+
+ bstrncpy(PrevVolName, dev->getVolCatName(), sizeof(PrevVolName));
bstrncpy(dev->VolHdr.PrevVolumeName, PrevVolName, sizeof(dev->VolHdr.PrevVolumeName));
label_blk = new_block(dev);
edit_uint64_with_commas(dev->VolCatInfo.VolCatBlocks, b2),
bstrftime(dt, sizeof(dt), time(NULL)));
- if (!mount_next_write_volume(dcr, 1)) {
+ Dmsg1(050, "set_unload dev=%s\n", dev->print_name());
+ dev->set_unload();
+ if (!dcr->mount_next_write_volume()) {
free_block(label_blk);
dcr->block = block;
- dev->dlock();
- unblock_device(dev);
- return false; /* device locked */
+ dev->Lock();
+ goto bail_out;
}
- dev->dlock(); /* lock again */
+ Dmsg2(050, "must_unload=%d dev=%s\n", dev->must_unload(), dev->print_name());
+ dev->Lock(); /* lock again */
dev->VolCatInfo.VolCatJobs++; /* increment number of jobs on vol */
- dir_update_volume_info(dcr, false); /* send Volume info to Director */
+ dir_update_volume_info(dcr, false, false); /* send Volume info to Director */
Jmsg(jcr, M_INFO, 0, _("New volume \"%s\" mounted on device %s at %s.\n"),
dcr->VolumeName, dev->print_name(), bstrftime(dt, sizeof(dt), time(NULL)));
* empty label_blk, and nothing will be written.
*/
Dmsg0(190, "write label block to dev\n");
- if (!write_block_to_dev(dcr)) {
+ if (!dcr->write_block_to_dev()) {
berrno be;
Pmsg1(0, _("write_block_to_device Volume label failed. ERR=%s"),
be.bstrerror(dev->dev_errno));
free_block(label_blk);
dcr->block = block;
- unblock_device(dev);
- return false; /* device locked */
+ goto bail_out;
}
free_block(label_blk);
dcr->block = block;
/*
* Walk through all attached jcrs indicating the volume has changed
*/
- Dmsg1(100, "Walk attached dcrs. Volume=%s\n", dev->VolCatInfo.VolCatName);
+ Dmsg1(100, "Notify vol change. Volume=%s\n", dev->getVolCatName());
DCR *mdcr;
foreach_dlist(mdcr, dev->attached_dcrs) {
JCR *mjcr = mdcr->jcr;
/* Write overflow block to device */
Dmsg0(190, "Write overflow block to dev\n");
- if (!write_block_to_dev(dcr)) {
+ if (!dcr->write_block_to_dev()) {
berrno be;
- Pmsg1(0, _("write_block_to_device overflow block failed. ERR=%s"),
+ Dmsg1(0, _("write_block_to_device overflow block failed. ERR=%s"),
be.bstrerror(dev->dev_errno));
- unblock_device(dev);
- return false; /* device locked */
+ /* Note: recursive call */
+ if (retries-- <= 0 || !fixup_device_block_write_error(dcr, retries)) {
+ Jmsg2(jcr, M_FATAL, 0,
+ _("Catastrophic error. Cannot write overflow block to device %s. ERR=%s"),
+ dev->print_name(), be.bstrerror(dev->dev_errno));
+ goto bail_out;
+ }
}
+ ok = true;
+bail_out:
+ /*
+ * At this point, the device is locked and blocked.
+ * Unblock the device, restore any entry blocked condition, then
+ * return leaving the device locked (as it was on entry).
+ */
unblock_device(dev);
- return true; /* device locked */
+ if (blocked != BST_NOT_BLOCKED) {
+ block_device(dev, blocked);
+ }
+ return ok; /* device locked */
+}
+
+void set_start_vol_position(DCR *dcr)
+{
+ DEVICE *dev = dcr->dev;
+ /* Set new start position */
+ if (dev->is_tape()) {
+ dcr->StartBlock = dev->block_num;
+ dcr->StartFile = dev->file;
+ } else {
+ dcr->StartBlock = (uint32_t)dev->file_addr;
+ dcr->StartFile = (uint32_t)(dev->file_addr >> 32);
+ }
}
/*
void set_new_volume_parameters(DCR *dcr)
{
JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
if (dcr->NewVol && !dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE)) {
Jmsg1(jcr, M_ERROR, 0, "%s", jcr->errmsg);
}
- /* Set new start/end positions */
- if (dev->is_tape()) {
- dcr->StartBlock = dev->block_num;
- dcr->StartFile = dev->file;
- } else {
- dcr->StartBlock = (uint32_t)dev->file_addr;
- dcr->StartFile = (uint32_t)(dev->file_addr >> 32);
- }
- /* Reset indicies */
- dcr->VolFirstIndex = 0;
- dcr->VolLastIndex = 0;
+ set_new_file_parameters(dcr);
jcr->NumWriteVolumes++;
dcr->NewVol = false;
- dcr->WroteVol = false;
}
/*
*/
void set_new_file_parameters(DCR *dcr)
{
- DEVICE *dev = dcr->dev;
+ set_start_vol_position(dcr);
- /* Set new start/end positions */
- if (dev->is_tape()) {
- dcr->StartBlock = dev->block_num;
- dcr->StartFile = dev->file;
- } else {
- dcr->StartBlock = (uint32_t)dev->file_addr;
- dcr->StartFile = (uint32_t)(dev->file_addr >> 32);
- }
/* Reset indicies */
dcr->VolFirstIndex = 0;
dcr->VolLastIndex = 0;
return false;
}
- dev->r_dlock();
+ dev->rLock();
/* Defer opening files */
if (!dev->is_tape()) {
mode = OPEN_READ_ONLY;
}
Dmsg0(129, "Opening device.\n");
- if (dev->open(dcr, mode) < 0) {
+ if (!dev->open(dcr, mode)) {
Emsg1(M_FATAL, 0, _("dev open failed: %s\n"), dev->errmsg);
ok = false;
goto bail_out;
Dmsg1(129, "open dev %s OK\n", dev->print_name());
bail_out:
- dev->dunlock();
+ dev->Unlock();
return ok;
}
} else {
mode = OPEN_READ_WRITE;
}
- if (dev->open(dcr, mode) < 0) {
+ if (!dev->open(dcr, mode)) {
/* If polling, ignore the error */
/* If DVD, also ignore the error, very often you cannot open the device
* (when there is no DVD, or when the one inserted is a wrong one) */
projects / bacula / bacula / blobdiff