/*
Bacula® - The Network Backup Solution
- Copyright (C) 2002-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2002-2010 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.
*
* Kern Sibbald, August MMII
*
- * Version $Id$
*/
#include "bacula.h" /* pull in global headers */
* This routine returns a 0 only if it is REALLY
* impossible to get the requested Volume.
*
+ * This routine is entered with the device blocked, but not
+ * locked.
+ *
*/
bool DCR::mount_next_write_volume()
{
int retry = 0;
bool ask = false, recycle, autochanger;
- bool do_find = true;
int mode;
DCR *dcr = this;
mount_next_vol:
Dmsg1(150, "mount_next_vol retry=%d\n", retry);
/* Ignore retry if this is poll request */
- if (!dev->poll && retry++ > 4) {
+ if (retry++ > 4) {
/* Last ditch effort before giving up, force operator to respond */
VolCatInfo.Slot = 0;
unlock_volumes();
}
recycle = false;
- if (retry >= 2) {
- do_find = false;
- }
-
if (dev->must_unload()) {
ask = true; /* ask operator to mount tape */
- do_find = true; /* re-find a volume after unload */
}
- do_swapping(true /*writing*/);
+ unlock_volumes();
+ do_unload();
+ do_swapping(true /*is_writing*/);
+ do_load(true /*is_writing*/);
- if (do_find && !find_a_volume()) {
+ lock_volumes();
+ if (!find_a_volume()) {
goto no_lock_bail_out;
}
goto bail_out;
}
Dmsg3(150, "After find_next_append. Vol=%s Slot=%d Parts=%d\n",
- VolCatInfo.VolCatName, VolCatInfo.Slot, VolCatInfo.VolCatParts);
+ getVolCatName(), VolCatInfo.Slot, VolCatInfo.VolCatParts);
/*
* Get next volume and ready it for append
* and move the tape to the end of data.
*
*/
+ unlock_volumes();
+ dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
if (autoload_device(dcr, true/*writing*/, NULL) > 0) {
autochanger = true;
ask = false;
} else {
autochanger = false;
VolCatInfo.Slot = 0;
- ask = true;
+ ask = retry >= 2;
}
+ lock_volumes();
Dmsg1(150, "autoload_dev returns %d\n", autochanger);
/*
* If we autochanged to correct Volume or (we have not just
if (ask) {
unlock_volumes();
+ dcr->setVolCatInfo(false); /* out of date when Vols unlocked */
if (!dir_ask_sysop_to_mount_volume(dcr, ST_APPEND)) {
Dmsg0(150, "Error return ask_sysop ...\n");
goto no_lock_bail_out;
if (dev->poll && dev->has_cap(CAP_CLOSEONPOLL)) {
dev->close();
+ free_volume(dev);
}
/* Ensure the device is open */
if (try_autolabel(false) == try_read_vol) {
break; /* created a new volume label */
}
+ Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
+ dev->print_name(), dcr->VolumeName, dev->bstrerror());
Dmsg0(50, "set_unload\n");
dev->set_unload(); /* force ask sysop */
ask = true;
case check_ok:
break;
}
+ /*
+ * Check that volcatinfo is good
+ */
+ if (!dev->haveVolCatInfo()) {
+ Dmsg0(000, "Do not have volcatinfo\n");
+ if (!find_a_volume()) {
+ goto mount_next_vol;
+ }
+ dev->VolCatInfo = VolCatInfo; /* structure assignment */
+ }
/*
* See if we have a fresh tape or a tape with data.
* we need to position to the end of the volume, since we are
* just now putting it into append mode.
*/
- Dmsg0(200, "Device previously written, moving to end of data\n");
+ Dmsg1(100, "Device previously written, moving to end of data. Expect %lld bytes\n",
+ dev->VolCatInfo.VolCatBytes);
Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
VolumeName);
if (!dev->eod(dcr)) {
+ Dmsg2(050, "Unable to position to end of data on device %s: ERR=%s\n",
+ dev->print_name(), dev->bstrerror());
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();
goto mount_next_vol;
}
if (!is_eod_valid()) {
- Dmsg0(150, "goto mount_next_vol\n");
+ Dmsg0(100, "goto mount_next_vol\n");
goto mount_next_vol;
}
* This routine is meant to be called once the first pass
* to ensure that we have a candidate volume to mount.
* Otherwise, we ask the sysop to created one.
+ * Note, the the Volumes are locked on entry.
+ * They are unlocked on failure and remain locked on
+ * success. The caller must know this!!!
*/
bool DCR::find_a_volume()
{
}
}
}
- return true;
+ if (dcr->haveVolCatInfo()) {
+ return true;
+ }
+ return dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE);
}
int DCR::check_volume_label(bool &ask, bool &autochanger)
Dmsg2(150, "Want dirVol=%s dirStat=%s\n", VolumeName,
VolCatInfo.VolCatStatus);
+
/*
* At this point, dev->VolCatInfo has what is in the drive, if anything,
* and dcr->VolCatInfo has what the Director wants.
Jmsg2(jcr, M_WARNING, 0, _("Could not reserve volume %s on %s\n"),
dev->VolHdr.VolumeName, dev->print_name());
ask = true;
+ dev->setVolCatInfo(false);
+ setVolCatInfo(false);
goto check_next_volume;
}
break; /* got a Volume */
case try_default:
break;
}
-
/* NOTE! Fall-through wanted. */
case VOL_NO_MEDIA:
default:
/* Needed, so the medium can be changed */
if (dev->requires_mount()) {
dev->close();
+ free_volume(dev);
}
goto check_next_volume;
}
return check_ok;
check_next_volume:
+ dev->setVolCatInfo(false);
+ setVolCatInfo(false);
return check_next_vol;
check_bail_out:
return dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
}
-void DCR::do_swapping(bool is_writing)
+bool DCR::do_unload()
{
if (dev->must_unload()) {
Dmsg1(100, "must_unload release %s\n", dev->print_name());
release_volume();
}
+ return false;
+}
+
+bool DCR::do_load(bool is_writing)
+{
+ if (dev->must_load()) {
+ Dmsg1(100, "Must load %s\n", dev->print_name());
+ if (autoload_device(this, is_writing, NULL) > 0) {
+ dev->clear_load();
+ return true;
+ }
+ return false;
+ }
+ return true;
+}
+
+void DCR::do_swapping(bool is_writing)
+{
/*
* See if we are asked to swap the Volume from another device
* if so, unload the other device here, and attach the
}
if (dev->vol) {
dev->vol->clear_swapping();
+ Dmsg1(100, "=== set in_use vol=%s\n", dev->vol->vol_name);
dev->vol->set_in_use();
dev->VolHdr.VolumeName[0] = 0; /* don't yet have right Volume */
+ } else {
+ Dmsg1(100, "No vol on dev=%s\n", dev->print_name());
}
- dev->swap_dev = NULL;
- }
- if (dev->must_load()) {
- Dmsg1(100, "Must load %s\n", dev->print_name());
- if (autoload_device(this, is_writing, NULL) > 0) {
- dev->clear_load();
+ if (dev->swap_dev->vol) {
+ Dmsg2(100, "Vol=%s on dev=%s\n", dev->swap_dev->vol->vol_name,
+ dev->swap_dev->print_name());
}
+ dev->swap_dev = NULL;
}
}
" size=%s\n"), VolumeName,
edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
} else {
- Jmsg(jcr, M_ERROR, 0, _("Bacula cannot write on disk Volume \"%s\" because: "
+ Mmsg(jcr->errmsg, _("Bacula cannot write on disk Volume \"%s\" because: "
"The sizes do not match! Volume=%s Catalog=%s\n"),
VolumeName,
edit_uint64(pos, ed1),
edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
+ Jmsg(jcr, M_ERROR, 0, jcr->errmsg);
+ Dmsg0(050, jcr->errmsg);
mark_volume_in_error();
return false;
}
{
Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
" Setting InChanger to zero in catalog.\n"),
- VolCatInfo.VolCatName, VolCatInfo.Slot);
+ getVolCatName(), VolCatInfo.Slot);
dev->VolCatInfo = VolCatInfo; /* structure assignment */
VolCatInfo.InChanger = false;
dev->VolCatInfo.InChanger = false;