+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2002-2008 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
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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
+ 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 Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
*
* Routines for handling the autochanger.
*
* Version $Id$
*/
-/*
- Copyright (C) 2002-2006 Kern Sibbald
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- version 2 as amended with additional clauses defined in the
- file LICENSE in the main source directory.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- the file LICENSE for additional details.
-
- */
#include "bacula.h" /* pull in global headers */
#include "stored.h" /* pull in Storage Deamon headers */
int autoload_device(DCR *dcr, int writing, BSOCK *dir)
{
JCR *jcr = dcr->jcr;
- DEVICE *dev = dcr->dev;
+ DEVICE * volatile dev = dcr->dev;
int slot;
int drive = dev->drive_index;
int rtn_stat = -1; /* error status */
POOLMEM *changer;
+ if (!dev->is_autochanger()) {
+ Dmsg1(100, "Device %s is not an autochanger\n", dev->print_name());
+ return 0;
+ }
+
+ /* An empty ChangerCommand => virtual disk autochanger */
+ if (dcr->device->changer_command && dcr->device->changer_command[0] == 0) {
+ Dmsg0(100, "ChangerCommand=0, virtual disk changer\n");
+ return 1; /* nothing to load */
+ }
+
slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
+ Dmsg3(100, "autoload: slot=%d InChgr=%d Vol=%s\n", dcr->VolCatInfo.Slot,
+ dcr->VolCatInfo.InChanger, dcr->VolCatInfo.VolCatName);
/*
* Handle autoloaders here. If we cannot autoload it, we
* will return 0 so that the sysop will be asked to load it.
*/
- if (writing && dev->is_autochanger() && slot <= 0) {
+ if (writing && slot <= 0) {
if (dir) {
return 0; /* For user, bail out right now */
}
+ /* ***FIXME*** this really should not be here */
if (dir_find_next_appendable_volume(dcr)) {
slot = dcr->VolCatInfo.InChanger ? dcr->VolCatInfo.Slot : 0;
} else {
Dmsg1(400, "Want changer slot=%d\n", slot);
changer = get_pool_memory(PM_FNAME);
- if (slot > 0 && dcr->device->changer_name && dcr->device->changer_command) {
+ if (slot <= 0) {
+ Jmsg(jcr, M_INFO, 0, _("Invalid slot=%d defined in catalog for Volume \"%s\" "
+ "on %s. Manual load may be required.\n"), slot, dcr->VolCatInfo.VolCatName,
+ dev->print_name());
+ rtn_stat = 0;
+ } else if (!dcr->device->changer_name) {
+ Jmsg(jcr, M_INFO, 0, _("No \"Changer Device\" for %s. Manual load of Volume may be required.\n"),
+ dev->print_name());
+ rtn_stat = 0;
+ } else if (!dcr->device->changer_command) {
+ Jmsg(jcr, M_INFO, 0, _("No \"Changer Command\" for %s. Manual load of Volume may be requird.\n"),
+ dev->print_name());
+ rtn_stat = 0;
+ } else {
+ /* Attempt to load the Volume */
+
uint32_t timeout = dcr->device->max_changer_wait;
int loaded, status;
loaded = get_autochanger_loaded_slot(dcr);
if (loaded != slot) {
+ POOL_MEM results(PM_MESSAGE);
/* Unload anything in our drive */
if (!unload_autochanger(dcr, loaded)) {
* Load the desired cassette
*/
lock_changer(dcr);
- Dmsg1(400, "Doing changer load slot %d\n", slot);
+ Dmsg2(100, "Doing changer load slot %d %s\n", slot, dev->print_name());
Jmsg(jcr, M_INFO, 0,
_("3304 Issuing autochanger \"load slot %d, drive %d\" command.\n"),
slot, drive);
dcr->VolCatInfo.Slot = slot; /* slot to be loaded */
- changer = edit_device_codes(dcr, changer,
- dcr->device->changer_command, "load");
- offline_or_rewind_dev(dev);
- force_close_device(dev);
- status = run_program(changer, timeout, NULL);
+ changer = edit_device_codes(dcr, changer, dcr->device->changer_command, "load");
+ dev->close();
+ Dmsg1(200, "Run program=%s\n", changer);
+ status = run_program_full_output(changer, timeout, results.addr());
if (status == 0) {
Jmsg(jcr, M_INFO, 0, _("3305 Autochanger \"load slot %d, drive %d\", status is OK.\n"),
slot, drive);
- dev->Slot = slot; /* set currently loaded slot */
+ Dmsg2(100, "load slot %d, drive %d, status is OK.\n", slot, drive);
+ dev->set_slot(slot); /* set currently loaded slot */
} else {
- berrno be;
- be.set_errno(status);
- Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"load slot %d, drive %d\": ERR=%s.\n"),
- slot, drive, be.strerror());
+ berrno be;
+ be.set_errno(status);
+ Dmsg3(100, "load slot %d, drive %d, bad stats=%s.\n", slot, drive,
+ be.bstrerror());
+ Jmsg(jcr, M_FATAL, 0, _("3992 Bad autochanger \"load slot %d, drive %d\": "
+ "ERR=%s.\nResults=%s\n"),
+ slot, drive, be.bstrerror(), results.c_str());
rtn_stat = -1; /* hard error */
+ dev->set_slot(-1); /* mark unknown */
}
- Dmsg2(400, "load slot %d status=%d\n", slot, status);
+ Dmsg2(100, "load slot %d status=%d\n", slot, status);
unlock_changer(dcr);
} else {
status = 0; /* we got what we want */
- dev->Slot = slot; /* set currently loaded slot */
+ dev->set_slot(slot); /* set currently loaded slot */
}
- Dmsg1(400, "After changer, status=%d\n", status);
+ Dmsg1(100, "After changer, status=%d\n", status);
if (status == 0) { /* did we succeed? */
rtn_stat = 1; /* tape loaded by changer */
}
- } else {
- rtn_stat = 0; /* no changer found */
}
free_pool_memory(changer);
return rtn_stat;
int get_autochanger_loaded_slot(DCR *dcr)
{
JCR *jcr = dcr->jcr;
- POOLMEM *changer, *results;
+ DEVICE *dev = dcr->dev;
int status, loaded;
uint32_t timeout = dcr->device->max_changer_wait;
int drive = dcr->dev->drive_index;
+ POOL_MEM results(PM_MESSAGE);
+ POOLMEM *changer;
+ if (!dev->is_autochanger()) {
+ return -1;
+ }
if (!dcr->device->changer_command) {
- Jmsg(jcr, M_FATAL, 0, _("3992 Missing Changer command.\n"));
+// Jmsg(jcr, M_FATAL, 0, _("3992 Missing Changer command.\n"));
return -1;
}
+ if (dev->get_slot() > 0) {
+ return dev->get_slot();
+ }
- results = get_pool_memory(PM_MESSAGE);
- changer = get_pool_memory(PM_FNAME);
-
+ /* Virtual disk autochanger */
+ if (dcr->device->changer_command[0] == 0) {
+ return 1;
+ }
/* Find out what is loaded, zero means device is unloaded */
+ changer = get_pool_memory(PM_FNAME);
lock_changer(dcr);
- Jmsg(jcr, M_INFO, 0, _("3301 Issuing autochanger \"loaded drive %d\" command.\n"),
+ Jmsg(jcr, M_INFO, 0, _("3301 Issuing autochanger \"loaded? drive %d\" command.\n"),
drive);
changer = edit_device_codes(dcr, changer, dcr->device->changer_command, "loaded");
- *results = 0;
- status = run_program(changer, timeout, results);
- Dmsg3(50, "run_prog: %s stat=%d result=%s\n", changer, status, results);
+ Dmsg1(100, "Run program=%s\n", changer);
+ status = run_program_full_output(changer, timeout, results.addr());
+ Dmsg3(100, "run_prog: %s stat=%d result=%s", changer, status, results.c_str());
if (status == 0) {
- loaded = str_to_int32(results);
+ loaded = str_to_int32(results.c_str());
if (loaded > 0) {
- Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result is Slot %d.\n"),
+ Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded? drive %d\", result is Slot %d.\n"),
drive, loaded);
- dcr->dev->Slot = loaded;
+ dev->set_slot(loaded);
} else {
- Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded drive %d\", result: nothing loaded.\n"),
+ Jmsg(jcr, M_INFO, 0, _("3302 Autochanger \"loaded? drive %d\", result: nothing loaded.\n"),
drive);
- dcr->dev->Slot = 0;
+ dev->clear_slot(); /* unknown */
}
} else {
berrno be;
be.set_errno(status);
- Jmsg(jcr, M_INFO, 0, _("3991 Bad autochanger \"loaded drive %d\" command: ERR=%s.\n"),
- drive, be.strerror());
+ Jmsg(jcr, M_INFO, 0, _("3991 Bad autochanger \"loaded? drive %d\" command: "
+ "ERR=%s.\nResults=%s\n"), drive, be.bstrerror(), results.c_str());
loaded = -1; /* force unload */
}
unlock_changer(dcr);
free_pool_memory(changer);
- free_pool_memory(results);
return loaded;
}
{
AUTOCHANGER *changer_res = dcr->device->changer_res;
if (changer_res) {
- Dmsg1(100, "Locking changer %s\n", changer_res->hdr.name);
+ Dmsg1(200, "Locking changer %s\n", changer_res->hdr.name);
P(changer_res->changer_mutex); /* Lock changer script */
}
}
{
AUTOCHANGER *changer_res = dcr->device->changer_res;
if (changer_res) {
- Dmsg1(100, "Unlocking changer %s\n", changer_res->hdr.name);
+ Dmsg1(200, "Unlocking changer %s\n", changer_res->hdr.name);
V(changer_res->changer_mutex); /* Unlock changer script */
}
}
return false;
}
+ /* Virtual disk autochanger */
+ if (dcr->device->changer_command[0] == 0) {
+ dev->clear_unload();
+ return true;
+ }
+
if (loaded < 0) {
loaded = get_autochanger_loaded_slot(dcr);
}
if (loaded > 0) {
+ POOL_MEM results(PM_MESSAGE);
POOLMEM *changer = get_pool_memory(PM_FNAME);
lock_changer(dcr);
Jmsg(jcr, M_INFO, 0,
dcr->VolCatInfo.Slot = loaded;
changer = edit_device_codes(dcr, changer,
dcr->device->changer_command, "unload");
- offline_or_rewind_dev(dev);
- force_close_device(dev);
- int stat = run_program(changer, timeout, NULL);
+ dev->close();
+ Dmsg1(100, "Run program=%s\n", changer);
+ int stat = run_program_full_output(changer, timeout, results.addr());
dcr->VolCatInfo.Slot = slot;
if (stat != 0) {
berrno be;
be.set_errno(stat);
- Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n"),
- slot, dev->drive_index, be.strerror());
+ Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload slot %d, drive %d\": "
+ "ERR=%s\nResults=%s\n"),
+ loaded, dev->drive_index, be.bstrerror(), results.c_str());
ok = false;
+ dev->clear_slot(); /* unknown */
} else {
- dev->Slot = 0; /* nothing loaded */
+ dev->set_slot(0); /* nothing loaded */
}
- free_pool_memory(changer);
unlock_changer(dcr);
+
+ free_volume(dev); /* Free any volume associated with this drive */
+ free_pool_memory(changer);
+ }
+ if (ok) {
+ dev->clear_unload();
}
return ok;
}
static bool unload_other_drive(DCR *dcr, int slot)
{
DEVICE *dev = NULL;
- DEVICE *save_dev;
- JCR *jcr = dcr->jcr;
- int save_slot;
- uint32_t timeout = dcr->device->max_changer_wait;
- bool ok = true;
+ bool found = false;
AUTOCHANGER *changer = dcr->dev->device->changer_res;
DEVRES *device;
- bool found = false;
+ int retries = 0; /* wait for device retries */
if (!changer) {
return false;
}
foreach_alist(device, changer->device) {
- if (device->dev && device->dev->Slot == slot) {
+ if (device->dev && device->dev->get_slot() == slot) {
found = true;
dev = device->dev;
break;
if (!found) {
return true;
}
+
+ /* The Volume we want is on another device. */
if (dev->is_busy()) {
- Jmsg(jcr, M_WARNING, 0, _("Volume %s is in use by device %s\n"),
- dcr->VolumeName, dev->print_name());
- Dmsg2(200, "Volume %s is in use by device %s\n",
- dcr->VolumeName, dev->print_name());
-
+ Dmsg4(100, "Vol %s for dev=%s in use dev=%s slot=%d\n",
+ dcr->VolumeName, dcr->dev->print_name(),
+ dev->print_name(), slot);
+ }
+ for (int i=0; i < 3; i++) {
+ if (dev->is_busy()) {
+ wait_for_device(dcr->jcr, retries);
+ continue;
+ }
+ break;
+ }
+ if (dev->is_busy()) {
+ Jmsg(dcr->jcr, M_WARNING, 0, _("Volume \"%s\" wanted on %s is in use by device %s\n"),
+ dcr->VolumeName, dcr->dev->print_name(), dev->print_name());
+ Dmsg4(100, "Vol %s for dev=%s is busy dev=%s slot=%d\n",
+ dcr->VolumeName, dcr->dev->print_name(), dev->print_name(), dev->get_slot());
+ Dmsg2(100, "num_writ=%d reserv=%d\n", dev->num_writers, dev->num_reserved());
return false;
}
+ return unload_dev(dcr, dev);
+}
+
+/*
+ * Unconditionally unload a specified drive
+ */
+bool unload_dev(DCR *dcr, DEVICE *dev)
+{
+ JCR *jcr = dcr->jcr;
+ bool ok = true;
+ uint32_t timeout = dcr->device->max_changer_wait;
+ AUTOCHANGER *changer = dcr->dev->device->changer_res;
+ DEVICE *save_dev;
+ int save_slot;
+
+ if (!changer) {
+ return false;
+ }
+
+ save_dev = dcr->dev; /* save dcr device */
+ dcr->dev = dev; /* temporarily point dcr at other device */
+
+ if (dev->get_slot() <= 0 && get_autochanger_loaded_slot(dcr) <= 0) {
+ dcr->dev = save_dev;
+ return false;
+ }
+ save_slot = dcr->VolCatInfo.Slot;
+ dcr->VolCatInfo.Slot = dev->get_slot();
+
+ dev->dlock();
POOLMEM *changer_cmd = get_pool_memory(PM_FNAME);
+ POOL_MEM results(PM_MESSAGE);
lock_changer(dcr);
Jmsg(jcr, M_INFO, 0,
_("3307 Issuing autochanger \"unload slot %d, drive %d\" command.\n"),
- slot, dev->drive_index);
+ dev->get_slot(), dev->drive_index);
- Dmsg2(200, "Issuing autochanger \"unload slot %d, drive %d\" command.\n",
- slot, dev->drive_index);
+ Dmsg2(100, "Issuing autochanger \"unload slot %d, drive %d\" command.\n",
+ dev->get_slot(), dev->drive_index);
- save_slot = dcr->VolCatInfo.Slot;
- save_dev = dcr->dev;
- dcr->dev = dev;
- dcr->VolCatInfo.Slot = slot;
changer_cmd = edit_device_codes(dcr, changer_cmd,
dcr->device->changer_command, "unload");
- Dmsg1(200, "Run program=%s\n", changer_cmd);
- offline_or_rewind_dev(dev);
- force_close_device(dev);
- int stat = run_program(changer_cmd, timeout, NULL);
+ dev->close();
+ Dmsg2(200, "close dev=%s reserve=%d\n", dev->print_name(),
+ dev->num_reserved());
+ Dmsg1(100, "Run program=%s\n", changer_cmd);
+ int stat = run_program_full_output(changer_cmd, timeout, results.addr());
dcr->VolCatInfo.Slot = save_slot;
dcr->dev = save_dev;
if (stat != 0) {
berrno be;
be.set_errno(stat);
Jmsg(jcr, M_INFO, 0, _("3995 Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n"),
- slot, dev->drive_index, be.strerror());
+ dev->get_slot(), dev->drive_index, be.bstrerror());
- Dmsg3(200, "Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n",
- slot, dev->drive_index, be.strerror());
+ Dmsg3(100, "Bad autochanger \"unload slot %d, drive %d\": ERR=%s.\n",
+ dev->get_slot(), dev->drive_index, be.bstrerror());
ok = false;
+ dev->clear_slot(); /* unknown */
} else {
- dev->Slot = 0; /* nothing loaded */
- Dmsg0(200, "Slot unloaded\n");
+ Dmsg2(100, "Slot %d unloaded %s\n", dev->get_slot(), dev->print_name());
+ dev->set_slot(0); /* nothing loaded */
+ }
+ if (ok) {
+ dev->clear_unload();
}
unlock_changer(dcr);
+
+ dev->dunlock();
+
+ free_volume(dev); /* Free any volume associated with this drive */
free_pool_memory(changer_cmd);
return ok;
}
if (!dev->is_autochanger() || !dcr->device->changer_name ||
!dcr->device->changer_command) {
if (strcmp(cmd, "drives") == 0) {
- bnet_fsend(dir, "drives=1\n");
+ dir->fsend("drives=1\n");
}
- bnet_fsend(dir, _("3993 Device %s not an autochanger device.\n"),
+ dir->fsend(_("3993 Device %s not an autochanger device.\n"),
dev->print_name());
return false;
}
- /* List command? */
- if (strcmp(cmd, "list") == 0) {
- unload_autochanger(dcr, -1);
- }
if (strcmp(cmd, "drives") == 0) {
AUTOCHANGER *changer_res = dcr->device->changer_res;
int drives = 1;
if (changer_res) {
drives = changer_res->device->size();
}
- bnet_fsend(dir, "drives=%d\n", drives);
+ dir->fsend("drives=%d\n", drives);
Dmsg1(100, "drives=%d\n", drives);
return true;
}
/* Now issue the command */
changer = edit_device_codes(dcr, changer,
dcr->device->changer_command, cmd);
- bnet_fsend(dir, _("3306 Issuing autochanger \"%s\" command.\n"), cmd);
+ dir->fsend(_("3306 Issuing autochanger \"%s\" command.\n"), cmd);
bpipe = open_bpipe(changer, timeout, "r");
if (!bpipe) {
- bnet_fsend(dir, _("3996 Open bpipe failed.\n"));
+ dir->fsend(_("3996 Open bpipe failed.\n"));
goto bail_out;
}
if (strcmp(cmd, "list") == 0) {
/* Strip any leading space in front of # of slots */
for (p=buf; B_ISSPACE(*p); p++)
{ }
- bnet_fsend(dir, "slots=%s", p);
+ dir->fsend("slots=%s", p);
Dmsg1(100, "<stored: %s", dir->msg);
}
if (stat != 0) {
berrno be;
be.set_errno(stat);
- bnet_fsend(dir, _("Autochanger error: ERR=%s\n"), be.strerror());
+ dir->fsend(_("Autochanger error: ERR=%s\n"), be.bstrerror());
}
bnet_sig(dir, BNET_EOD);
ok = true;