/*
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()
{
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();
goto no_lock_bail_out;
}
lock_volumes();
+ Dmsg1(150, "Continue after dir_ask_sysop_to_mount. must_load=%d\n", dev->must_load());
}
if (job_canceled(jcr)) {
Jmsg(jcr, M_FATAL, 0, _("Job %d canceled.\n"), jcr->JobId);
if (dev->must_unload()) {
ask = true; /* ask operator to mount tape */
}
- do_swapping(true /*writing*/);
+ unlock_volumes();
+ do_unload();
+ do_swapping(true /*is_writing*/);
+ do_load(true /*is_writing*/);
- if (!is_suitable_volume_mounted()) {
- bool have_vol = false;
- /* Do we have a candidate volume? */
- if (dev->vol) {
- bstrncpy(VolumeName, dev->vol->vol_name, sizeof(VolumeName));
- have_vol = dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
- }
- /*
- * Get Director's idea of what tape we should have mounted.
- * in dcr->VolCatInfo
- */
- if (!have_vol) {
- Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
- while (!dir_find_next_appendable_volume(dcr)) {
- Dmsg0(200, "not dir_find_next\n");
- if (job_canceled(jcr)) {
- goto bail_out;
- }
- unlock_volumes();
- if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
- goto no_lock_bail_out;
- }
- lock_volumes();
- Dmsg0(200, "Again dir_find_next_append...\n");
- }
- goto mount_next_vol;
- }
+ lock_volumes();
+ if (!find_a_volume()) {
+ goto no_lock_bail_out;
}
+
if (job_canceled(jcr)) {
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 = retry >= 2;
}
+ lock_volumes();
Dmsg1(150, "autoload_dev returns %d\n", autochanger);
/*
* If we autochanged to correct Volume or (we have not just
* we will fail, recurse and ask the operator the next time.
*/
if (!dev->must_unload() && dev->is_tape() && dev->has_cap(CAP_AUTOMOUNT)) {
- Dmsg0(150, "(1)Ask=0\n");
+ Dmsg0(250, "(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");
+ Dmsg0(250, "(2)Ask=0\n");
ask = false;
}
- Dmsg2(150, "Ask=%d autochanger=%d\n", ask, autochanger);
- dev->must_unload(); /* release next time if we "recurse" */
+ Dmsg2(250, "Ask=%d autochanger=%d\n", ask, autochanger);
- if (ask && !dir_ask_sysop_to_mount_volume(dcr, ST_APPEND)) {
- Dmsg0(150, "Error return ask_sysop ...\n");
- goto bail_out; /* error return */
+ 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;
+ }
+ lock_volumes();
}
if (job_canceled(jcr)) {
goto 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 */
}
- /* 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());
- goto bail_out;
- }
+ 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;
+ Dmsg0(150, "goto mount_next_vol\n");
+ goto mount_next_vol;
}
/*
* Now check the volume label to make sure we have the right tape mounted
*/
read_volume:
-
switch (check_volume_label(ask, autochanger)) {
case check_next_vol:
+ Dmsg0(50, "set_unload\n");
+ dev->set_unload(); /* want a different Volume */
+ Dmsg0(150, "goto mount_next_vol\n");
goto mount_next_vol;
case check_read_vol:
goto read_volume;
case check_ok:
break;
}
+ /*
+ * Check that volcatinfo is good
+ */
+ if (!dev->haveVolCatInfo()) {
+ Dmsg0(100, "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(100, "goto mount_next_vol\n");
goto mount_next_vol;
}
return false;
}
+/*
+ * 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()
+{
+ DCR *dcr = this;
+ if (!is_suitable_volume_mounted()) {
+ bool have_vol = false;
+ /* Do we have a candidate volume? */
+ if (dev->vol) {
+ bstrncpy(VolumeName, dev->vol->vol_name, sizeof(VolumeName));
+ have_vol = dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
+ }
+ /*
+ * Get Director's idea of what tape we should have mounted.
+ * in dcr->VolCatInfo
+ */
+ if (!have_vol) {
+ Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
+ while (!dir_find_next_appendable_volume(dcr)) {
+ Dmsg0(200, "not dir_find_next\n");
+ if (job_canceled(jcr)) {
+ unlock_volumes();
+ return false;
+ }
+ unlock_volumes();
+ if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
+ return false;
+ }
+ lock_volumes();
+ Dmsg0(150, "Again dir_find_next_append...\n");
+ }
+ }
+ }
+ 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)
{
int vol_label_status;
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.
VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
char saveVolumeName[MAX_NAME_LENGTH];
+ Dmsg2(150, "Vol NAME Error Have=%s, want=%s\n", dev->VolHdr.VolumeName, VolumeName);
+ if (dev->is_volume_to_unload()) {
+ ask = true;
+ goto check_next_volume;
+ }
+
/* If not removable, Volume is broken */
if (!dev->is_removable()) {
Jmsg(jcr, M_WARNING, 0, _("Volume \"%s\" not on device %s.\n"),
goto check_next_volume;
}
- Dmsg1(150, "Vol NAME Error Name=%s\n", 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", VolumeName);
- goto check_next_volume;
- }
/*
* OK, we got a different volume mounted. First save the
* requested Volume info (dcr) structure, then query if
mark_volume_not_inchanger();
}
dev->VolCatInfo = devVolCatInfo; /* structure assignment */
- bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
+ dev->set_unload(); /* unload this volume */
Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
" Current Volume \"%s\" not acceptable because:\n"
" %s"),
*/
Dmsg1(150, "Got new Volume name=%s\n", VolumeName);
dev->VolCatInfo = VolCatInfo; /* structure assignment */
+ Dmsg1(100, "Call reserve_volume=%s\n", dev->VolHdr.VolumeName);
+ if (reserve_volume(this, dev->VolHdr.VolumeName) == NULL) {
+ 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 */
/*
* At this point, we assume we have a blank tape mounted.
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:
bool DCR::is_suitable_volume_mounted()
{
-
/* Volume mounted? */
if (dev->VolHdr.VolumeName[0] == 0 || dev->swap_dev || dev->must_unload()) {
return false; /* no */
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, "swapping: unloading %s\n", dev->print_name());
- unload_autochanger(this, -1);
+ Dmsg1(100, "must_unload release %s\n", dev->print_name());
release_volume();
- dev->clear_unload();
}
+ 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->swap_dev) {
if (dev->swap_dev->must_unload()) {
if (dev->vol) {
- dev->Slot = dev->vol->get_slot();
+ dev->swap_dev->set_slot(dev->vol->get_slot());
}
- Dmsg2(100, "Swap unloading slot=%d %s\n", dev->Slot,
+ Dmsg2(100, "Swap unloading slot=%d %s\n", dev->swap_dev->get_slot(),
dev->swap_dev->print_name());
unload_dev(this, dev->swap_dev);
- dev->Slot = -1;
}
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, "swapping: 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;
}
/* Create a new Volume label and write it to the device */
if (!write_new_volume_label_to_dev(dcr, VolumeName,
pool_name, false, /* no relabel */ false /* defer DVD label */)) {
- Dmsg0(150, "!write_vol_label\n");
+ Dmsg2(150, "write_vol_label failed. vol=%s, pool=%s\n",
+ VolumeName, pool_name);
if (opened) {
mark_volume_in_error();
}
Dmsg0(150, "dir_update_vol_info. Set Error.\n");
dir_update_volume_info(this, false, false);
volume_unused(this);
+ Dmsg0(50, "set_unload\n");
dev->set_unload(); /* must get a new volume */
}
{
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;
*/
void DCR::release_volume()
{
+ unload_autochanger(this, -1);
+
if (WroteVol) {
Jmsg0(jcr, M_ERROR, 0, _("Hey!!!!! WroteVol non-zero !!!!!\n"));
- Dmsg0(190, "Hey!!!!! WroteVol non-zero !!!!!\n");
+ Pmsg0(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(&VolCatInfo, 0, sizeof(VolCatInfo));
dev->clear_volhdr();
/* Force re-read of label */
dev->clear_labeled();
if (dev->is_open()) {
dev->offline_or_rewind();
}
- dev->set_unload();
+// Dmsg0(50, "set_unload\n");
+// dev->set_unload();
Dmsg0(190, "release_volume\n");
}
+/*
+ * Insanity check
+ *
+ * Check to see if the tape position as defined by the OS is
+ * the same as our concept. If it is not,
+ * it means the user has probably manually rewound the tape.
+ * Note, we check only if num_writers == 0, but this code will
+ * also work fine for any number of writers. If num_writers > 0,
+ * we probably should cancel all jobs using this device, or
+ * perhaps even abort the SD, or at a minimum, mark the tape
+ * in error. Another strategy with num_writers == 0, would be
+ * to rewind the tape and do a new eod() request.
+ */
+bool DCR::is_tape_position_ok()
+{
+ if (dev->is_tape() && dev->num_writers == 0) {
+ int32_t file = dev->get_os_tape_file();
+ if (file >= 0 && file != (int32_t)dev->get_file()) {
+ Jmsg(jcr, M_ERROR, 0, _("Invalid tape position on volume \"%s\""
+ " on device %s. Expected %d, got %d\n"),
+ dev->VolHdr.VolumeName, dev->print_name(), dev->get_file(), file);
+ /*
+ * If the current file is greater than zero, it means we probably
+ * have some bad count of EOF marks, so mark tape in error. Otherwise
+ * the operator might have moved the tape, so we just release it
+ * and try again.
+ */
+ if (file > 0) {
+ mark_volume_in_error();
+ }
+ release_volume();
+ return false;
+ }
+ }
+ return true;
+}
+
+
/*
* If we are reading, we come here at the end of the tape
* and see if there are more volumes to be mounted.
projects / bacula / bacula / blobdiff