/*
Bacula® - The Network Backup Solution
- Copyright (C) 2002-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2002-2009 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.
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.
/* Forward referenced functions */
static void attach_dcr_to_dev(DCR *dcr);
+static void set_dcr_from_vol(DCR *dcr, VOL_LIST *vol);
/*********************************************************************
int vol_label_status;
int retry = 0;
- Dmsg1(950, "jcr->dcr=%p\n", jcr->dcr);
+ Dmsg2(950, "dcr=%p dev=%p\n", dcr, dcr->dev);
+ Dmsg2(950, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
dev->dblock(BST_DOING_ACQUIRE);
if (dev->num_writers > 0) {
jcr->NumReadVolumes, jcr->CurReadVolume);
goto get_out; /* should not happen */
}
- /*
- * Note, if we want to be able to work from a .bsr file only
- * for disaster recovery, we must "simulate" reading the catalog
- */
- bstrncpy(dcr->VolumeName, vol->VolumeName, sizeof(dcr->VolumeName));
- bstrncpy(dcr->VolCatInfo.VolCatName, vol->VolumeName, sizeof(dcr->VolCatInfo.VolCatName));
- bstrncpy(dcr->media_type, vol->MediaType, sizeof(dcr->media_type));
- dcr->VolCatInfo.Slot = vol->Slot;
- dcr->VolCatInfo.InChanger = vol->Slot > 0;
+ set_dcr_from_vol(dcr, vol);
+
+ Dmsg2(100, "Want Vol=%s Slot=%d\n", vol->VolumeName, vol->Slot);
/*
* If the MediaType requested for this volume is not the
DIRSTORE *store;
int stat;
- Jmsg3(jcr, M_INFO, 0, _("Changing device. Want Media Type=\"%s\" have=\"%s\"\n"
+ Jmsg3(jcr, M_INFO, 0, _("Changing read device. Want Media Type=\"%s\" have=\"%s\"\n"
" device=%s\n"),
dcr->media_type, dev->device->media_type, dev->print_name());
- Dmsg3(50, "Changing device. Want Media Type=\"%s\" have=\"%s\"\n"
+ Dmsg3(50, "Changing read device. Want Media Type=\"%s\" have=\"%s\"\n"
" device=%s\n",
dcr->media_type, dev->device->media_type, dev->print_name());
lock_reservations();
memset(&rctx, 0, sizeof(RCTX));
rctx.jcr = jcr;
+ jcr->read_dcr = dcr;
jcr->reserve_msgs = New(alist(10, not_owned_by_alist));
rctx.any_drive = true;
rctx.device_name = vol->device;
dev = dcr->dev; /* get new device pointer */
dev->dblock(BST_DOING_ACQUIRE);
dcr->VolumeName[0] = 0;
- Jmsg(jcr, M_INFO, 0, _("Media Type change. New device %s chosen.\n"),
+ Jmsg(jcr, M_INFO, 0, _("Media Type change. New read device %s chosen.\n"),
dev->print_name());
- Dmsg1(50, "Media Type change. New device %s chosen.\n", dev->print_name());
+ Dmsg1(50, "Media Type change. New read device %s chosen.\n", dev->print_name());
bstrncpy(dcr->VolumeName, vol->VolumeName, sizeof(dcr->VolumeName));
bstrncpy(dcr->VolCatInfo.VolCatName, vol->VolumeName, sizeof(dcr->VolCatInfo.VolCatName));
goto get_out;
}
}
+ Dmsg2(400, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
+
+ dev->clear_unload();
- if (reserve_volume(dcr, dcr->VolumeName) == NULL) {
- Dmsg2(100, "Could not reserve volume %s on %s\n", dcr->VolumeName,
- dcr->dev->print_name());
- Jmsg2(jcr, M_FATAL, 0, _("Could not reserve volume %s on %s\n"), dcr->VolumeName,
- dcr->dev->print_name());
- goto get_out;
- }
if (dev->vol && dev->vol->is_swapping()) {
dev->vol->set_slot(vol->Slot);
Dmsg3(100, "swapping: slot=%d Vol=%s dev=%s\n", dev->vol->get_slot(),
dev->vol->vol_name, dev->print_name());
}
-
init_device_wait_timers(dcr);
tape_previously_mounted = dev->can_read() || dev->can_append() ||
/* Volume info is always needed because of VolParts */
- Dmsg0(200, "dir_get_volume_info\n");
+ Dmsg1(150, "dir_get_volume_info vol=%s\n", dcr->VolumeName);
if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) {
- Jmsg1(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ Dmsg2(150, "dir_get_vol_info failed for vol=%s: %s\n",
+ dcr->VolumeName, jcr->errmsg);
+ Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
}
dev->set_load(); /* set to load volume */
goto get_out; /* error return */
}
- dcr->do_swapping(false/*is_writing*/);
+ dcr->do_unload();
+ dcr->do_swapping(false/*!is_writing*/);
+ dcr->do_load(false /*!is_writing*/);
+ set_dcr_from_vol(dcr, vol); /* refresh dcr with desired volume info */
/*
* This code ensures that the device is ready for
vol_label_status = read_dev_volume_label(dcr);
switch (vol_label_status) {
case VOL_OK:
+ Dmsg0(50, "Got correct volume.\n");
ok = true;
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
break; /* got it */
case VOL_IO_ERROR:
+ Dmsg0(50, "IO Error\n");
/*
* Send error message generated by read_dev_volume_label()
* only we really had a tape mounted. This supresses superfluous
* error messages when nothing is mounted.
*/
if (tape_previously_mounted) {
- Jmsg(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ Jmsg(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
}
goto default_path;
case VOL_NAME_ERROR:
- if (tape_initially_mounted) {
- tape_initially_mounted = false;
- goto default_path;
- }
- /* If polling and got a previous bad name, ignore it */
- if (dev->poll && strcmp(dev->BadVolName, dev->VolHdr.VolumeName) == 0) {
+ Dmsg3(50, "Vol name=%s want=%s drv=%s.\n", dev->VolHdr.VolumeName,
+ dcr->VolumeName, dev->print_name());
+ if (dev->is_volume_to_unload()) {
goto default_path;
- } else {
- bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
}
+ dev->set_unload(); /* force unload of unwanted tape */
if (!unload_autochanger(dcr, -1)) {
/* at least free the device so we can re-open with correct volume */
dev->close();
+ free_volume(dev);
}
+ dev->set_load();
/* Fall through */
default:
- Jmsg1(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
default_path:
+ Dmsg0(50, "default path\n");
tape_previously_mounted = true;
/*
*/
if (dev->requires_mount()) {
dev->close();
+ free_volume(dev);
}
/* Call autochanger only once unless ask_sysop called */
try_autochanger = false;
continue; /* try reading volume mounted */
}
- /* Try closing and re-opening */
- dev->close();
- dev->clear_unload();
- if (dev->open(dcr, OPEN_READ_ONLY) >= 0) {
- continue;
- }
- if (!dev->poll) {
- Jmsg3(jcr, M_WARNING, 0, _("Read open device %s Volume \"%s\" failed: ERR=%s\n"),
- dev->print_name(), dcr->VolumeName, dev->bstrerror());
- }
}
/* Mount a specific volume and no other */
if (!dir_ask_sysop_to_mount_volume(dcr, ST_READ)) {
goto get_out; /* error return */
}
- try_autochanger = true; /* permit using autochanger again */
+
+ /* Volume info is always needed because of VolParts */
+ Dmsg1(150, "dir_get_volume_info vol=%s\n", dcr->VolumeName);
+ if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) {
+ Dmsg2(150, "dir_get_vol_info failed for vol=%s: %s\n",
+ dcr->VolumeName, jcr->errmsg);
+ Jmsg1(jcr, M_WARNING, 0, "Read acquire: %s", jcr->errmsg);
+ }
+ dev->set_load(); /* set to load volume */
+
+ try_autochanger = true; /* permit trying the autochanger again */
+
continue; /* try reading again */
} /* end switch */
break;
} /* end for loop */
+
if (!ok) {
Jmsg1(jcr, M_FATAL, 0, _("Too many errors trying to mount device %s for reading.\n"),
dev->print_name());
*/
if (dev->is_blocked()) {
dev->dunblock(DEV_LOCKED);
+ } else {
+ dev->dunlock(); /* dunblock() unlock the device too */
}
- Dmsg1(950, "jcr->dcr=%p\n", jcr->dcr);
+ Dmsg2(950, "dcr=%p dev=%p\n", dcr, dcr->dev);
+ Dmsg2(950, "MediaType dcr=%s dev=%s\n", dcr->media_type, dev->device->media_type);
return ok;
}
-
/*
* Acquire device for writing. We permit multiple writers.
* If this is the first one, we read the label.
init_device_wait_timers(dcr);
- dev->dblock(BST_DOING_ACQUIRE);
+ P(dev->acquire_mutex); /* only one job at a time */
+ dev->dlock();
Dmsg1(100, "acquire_append device is %s\n", dev->is_tape()?"tape":
(dev->is_dvd()?"DVD":"disk"));
goto get_out;
}
+ dev->clear_unload();
+
/*
* have_vol defines whether or not mount_next_write_volume should
* ask the Director again about what Volume to use.
}
if (!have_vol) {
+ dev->r_dlock(true);
+ block_device(dev, BST_DOING_ACQUIRE);
+ dev->dunlock();
Dmsg1(190, "jid=%u Do mount_next_write_vol\n", (uint32_t)jcr->JobId);
if (!dcr->mount_next_write_volume()) {
if (!job_canceled(jcr)) {
Dmsg1(200, "Could not ready device %s for append.\n",
dev->print_name());
}
+ dev->dlock();
+ unblock_device(dev);
goto get_out;
}
Dmsg2(190, "Output pos=%u:%u\n", dcr->dev->file, dcr->dev->block_num);
+ dev->dlock();
+ unblock_device(dev);
}
dev->num_writers++; /* we are now a writer */
jcr->NumWriteVolumes = 1;
}
dev->VolCatInfo.VolCatJobs++; /* increment number of jobs on vol */
+ Dmsg4(100, "=== nwriters=%d nres=%d vcatjob=%d dev=%s\n",
+ dev->num_writers, dev->num_reserved(), dev->VolCatInfo.VolCatJobs,
+ dev->print_name());
dir_update_volume_info(dcr, false, false); /* send Volume info to Director */
ok = true;
get_out:
- dev->dlock();
dcr->clear_reserved();
- dev->dunblock(DEV_LOCKED);
+ dev->dunlock();
+ V(dev->acquire_mutex);
return ok ? dcr : NULL;
}
dcr->clear_reserved();
if (dev->can_read()) {
+ VOLUME_CAT_INFO *vol = &dev->VolCatInfo;
dev->clear_read(); /* clear read bit */
- Dmsg0(100, "dir_update_vol_info. Release0\n");
- dir_update_volume_info(dcr, false, false); /* send Volume info to Director */
- volume_unused(dcr);
-
+ Dmsg2(150, "dir_update_vol_info. label=%d Vol=%s\n",
+ dev->is_labeled(), vol->VolCatName);
+ if (dev->is_labeled() && vol->VolCatName[0] != 0) {
+ dir_update_volume_info(dcr, false, false); /* send Volume info to Director */
+ remove_read_volume(jcr, dcr->VolumeName);
+ volume_unused(dcr);
+ }
} else if (dev->num_writers > 0) {
/*
* Note if WEOT is set, we are at the end of the tape
Dmsg2(200, "dir_create_jobmedia. Release vol=%s dev=%s\n",
dev->VolCatInfo.VolCatName, dev->print_name());
if (!dev->at_weot() && !dir_create_jobmedia_record(dcr)) {
- Jmsg(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
+ Jmsg2(jcr, M_FATAL, 0, _("Could not create JobMedia record for Volume=\"%s\" Job=%s\n"),
dcr->VolCatInfo.VolCatName, jcr->Job);
}
/* If no more writers, and no errors, and wrote something, write an EOF */
if (dev->num_writers == 0 && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
dvd_remove_empty_part(dcr); /* get rid of any empty spool part */
dev->close();
+ free_volume(dev);
}
/* Fire off Alert command and include any output */
JCR *jcr = dcr->jcr;
if (jcr) Dmsg1(500, "JobId=%u enter attach_dcr_to_dev\n", (uint32_t)jcr->JobId);
- if (!dcr->attached_to_dev && dev->initiated && jcr && jcr->JobType != JT_SYSTEM) {
+ if (!dcr->attached_to_dev && dev->initiated && jcr && jcr->get_JobType() != JT_SYSTEM) {
dev->attached_dcrs->append(dcr); /* attach dcr to device */
dcr->attached_to_dev = true;
Dmsg1(500, "JobId=%u attach_dcr_to_dev\n", (uint32_t)jcr->JobId);
}
free(dcr);
}
+
+static void set_dcr_from_vol(DCR *dcr, VOL_LIST *vol)
+{
+ /*
+ * Note, if we want to be able to work from a .bsr file only
+ * for disaster recovery, we must "simulate" reading the catalog
+ */
+ bstrncpy(dcr->VolumeName, vol->VolumeName, sizeof(dcr->VolumeName));
+ bstrncpy(dcr->VolCatInfo.VolCatName, vol->VolumeName, sizeof(dcr->VolCatInfo.VolCatName));
+ bstrncpy(dcr->media_type, vol->MediaType, sizeof(dcr->media_type));
+ dcr->VolCatInfo.Slot = vol->Slot;
+ dcr->VolCatInfo.InChanger = vol->Slot > 0;
+}