+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2002-2007 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 plus additions
+ that are listed 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 John Walker.
+ 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 mounting tapes for reading and for
*
* 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 */
static void mark_volume_not_inchanger(DCR *dcr);
-static int try_autolabel(DCR *dcr);
+static int try_autolabel(DCR *dcr, bool opened);
enum {
try_next_vol = 1,
}
/* Ensure the device is open */
- if (dev_cap(dev, CAP_STREAM)) {
+ if (dev->has_cap(CAP_STREAM)) {
mode = OPEN_WRITE_ONLY;
} else {
mode = OPEN_READ_WRITE;
}
+ /* Try autolabel if enabled */
+ if (dev->open(dcr, mode) < 0) {
+ try_autolabel(dcr, false); /* try to create a new volume label */
+ }
while (dev->open(dcr, mode) < 0) {
- Dmsg0(150, "open_device failed\n");
- if (dev->is_file() && dev->is_removable()) {
+ Dmsg1(150, "open_device failed: ERR=%s\n", dev->bstrerror());
+ if ((dev->is_file() && dev->is_removable()) || dev->is_dvd()) {
+ bool ok = true;
Dmsg0(150, "call scan_dir_for_vol\n");
- if (dev->scan_dir_for_volume(dcr)) {
- break; /* got a valid volume */
+ if (dev->is_dvd()) {
+ if (!dev->mount(0)) {
+ ok = false;
+ }
+ }
+ if (ok && dev->scan_dir_for_volume(dcr)) {
+ if (dev->open(dcr, mode) >= 0) {
+ break; /* got a valid volume */
+ }
+ }
+ if (ok && dev->is_dvd()) {
+ dev->unmount(0);
}
}
- if (try_autolabel(dcr) == try_read_vol) {
+ if (try_autolabel(dcr, false) == try_read_vol) {
break; /* created a new volume label */
}
/* If DVD, ignore the error, very often you cannot open the device
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());
return false;
}
}
switch (vol_label_status) {
case VOL_OK:
Dmsg1(150, "Vol OK name=%s\n", dcr->VolumeName);
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
break; /* got a Volume */
case VOL_NAME_ERROR:
- VOLUME_CAT_INFO VolCatInfo, devVolCatInfo;
+ VOLUME_CAT_INFO dcrVolCatInfo, devVolCatInfo;
+ char VolumeName[MAX_NAME_LENGTH];
/* If not removable, Volume is broken */
if (!dev->is_removable()) {
* this volume is really OK. If not, put back the desired
* volume name, mark it not in changer and continue.
*/
- memcpy(&VolCatInfo, &dcr->VolCatInfo, sizeof(VolCatInfo));
- memcpy(&devVolCatInfo, &dev->VolCatInfo, sizeof(devVolCatInfo));
+ dcrVolCatInfo = dcr->VolCatInfo; /* structure assignment */
+ devVolCatInfo = dev->VolCatInfo; /* structure assignment */
/* Check if this is a valid Volume in the pool */
+ bstrncpy(VolumeName, dcr->VolumeName, sizeof(VolumeName));
bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
if (!dir_get_volume_info(dcr, GET_VOL_INFO_FOR_WRITE)) {
/* Restore desired volume name, note device info out of sync */
/* This gets the info regardless of the Pool */
bstrncpy(dcr->VolumeName, dev->VolHdr.VolumeName, sizeof(dcr->VolumeName));
if (autochanger && !dir_get_volume_info(dcr, GET_VOL_INFO_FOR_READ)) {
+ /*
+ * If we get here, we know we cannot write on the Volume,
+ * and we know that we cannot read it either, so it
+ * is not in the autochanger.
+ */
mark_volume_not_inchanger(dcr);
}
- memcpy(&dev->VolCatInfo, &devVolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = devVolCatInfo; /* structure assignment */
bstrncpy(dev->BadVolName, dev->VolHdr.VolumeName, sizeof(dev->BadVolName));
Jmsg(jcr, M_WARNING, 0, _("Director wanted Volume \"%s\".\n"
" Current Volume \"%s\" not acceptable because:\n"
" %s"),
- VolCatInfo.VolCatName, dev->VolHdr.VolumeName,
+ dcrVolCatInfo.VolCatName, dev->VolHdr.VolumeName,
jcr->dir_bsock->msg);
ask = true;
+ /* Restore saved DCR before continuing */
+ bstrncpy(dcr->VolumeName, VolumeName, sizeof(dcr->VolumeName));
+ dcr->VolCatInfo = dcrVolCatInfo; /* structure assignment */
goto mount_next_vol;
}
- /* This was not the volume we expected, but it is OK with
+ /*
+ * This was not the volume we expected, but it is OK with
* the Director, so use it.
*/
Dmsg1(150, "want new name=%s\n", dcr->VolumeName);
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
recycle = strcmp(dev->VolCatInfo.VolCatStatus, "Recycle") == 0;
break; /* got a Volume */
/*
}
/* Fall through wanted */
case VOL_NO_LABEL:
- switch (try_autolabel(dcr)) {
+ switch (try_autolabel(dcr, true)) {
case try_next_vol:
goto mount_next_vol;
case try_read_vol:
Dmsg0(200, "Device previously written, moving to end of data\n");
Jmsg(jcr, M_INFO, 0, _("Volume \"%s\" previously written, moving to end of data.\n"),
dcr->VolumeName);
- if (!dev->eod()) {
+ if (!dev->eod(dcr)) {
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(dcr);
" part=%d size=%s\n"), dcr->VolumeName,
dev->part, edit_uint64(dev->VolCatInfo.VolCatBytes,ed1));
} else {
- Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because: "
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on DVD Volume \"%s\" because: "
"The sizes do not match! Volume=%s Catalog=%s\n"),
dcr->VolumeName,
edit_uint64(dev->part_start + dev->part_size, ed1),
mark_volume_in_error(dcr);
goto mount_next_vol;
}
- }
- /* *****FIXME**** we should do some checking for files too */
- if (dev->is_tape()) {
+ } else if (dev->is_tape()) {
/*
* Check if we are positioned on the tape at the same place
* that the database says we should be.
*/
- if (dev->VolCatInfo.VolCatFiles == dev_file(dev)) {
+ if (dev->VolCatInfo.VolCatFiles == dev->get_file()) {
Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\" at file=%d.\n"),
- dcr->VolumeName, dev_file(dev));
+ dcr->VolumeName, dev->get_file());
} else {
- Jmsg(jcr, M_ERROR, 0, _("I cannot write on Volume \"%s\" because:\n"
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on tape Volume \"%s\" because:\n"
"The number of files mismatch! Volume=%u Catalog=%u\n"),
- dcr->VolumeName, dev_file(dev), dev->VolCatInfo.VolCatFiles);
+ dcr->VolumeName, dev->get_file(), dev->VolCatInfo.VolCatFiles);
+ mark_volume_in_error(dcr);
+ goto mount_next_vol;
+ }
+ } else if (dev->is_file()) {
+ char ed1[50], ed2[50];
+ boffset_t pos;
+ pos = dev->lseek(dcr, (boffset_t)0, SEEK_END);
+ if (dev->VolCatInfo.VolCatBytes == (uint64_t)pos) {
+ Jmsg(jcr, M_INFO, 0, _("Ready to append to end of Volume \"%s\""
+ " size=%s\n"), dcr->VolumeName,
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed1));
+ } else {
+ Jmsg(jcr, M_ERROR, 0, _("I cannot write on disk Volume \"%s\" because: "
+ "The sizes do not match! Volume=%s Catalog=%s\n"),
+ dcr->VolumeName,
+ edit_uint64(pos, ed1),
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed2));
mark_volume_in_error(dcr);
goto mount_next_vol;
}
* As noted above, at this point dcr->VolCatInfo has what
* the Director wants and dev->VolCatInfo has info on the
* previous tape (or nothing).
+ *
+ * Return codes are:
+ * try_next_vol label failed, look for another volume
+ * try_read_vol labeled volume, now re-read the label
+ * try_error hard error (catalog update)
+ * try_default I couldn't do anything
*/
-static int try_autolabel(DCR *dcr)
+static int try_autolabel(DCR *dcr, bool opened)
{
DEVICE *dev = dcr->dev;
+
+ if (dev->poll && !dev->is_tape()) {
+ return try_default; /* if polling, don't try to create new labels */
+ }
+ /* For a tape require it to be opened and read before labeling */
+ if (!opened && dev->is_tape()) {
+ return try_default;
+ }
if (dev->has_cap(CAP_LABEL) && (dcr->VolCatInfo.VolCatBytes == 0 ||
(!dev->is_tape() && strcmp(dcr->VolCatInfo.VolCatStatus,
"Recycle") == 0))) {
Dmsg0(150, "Create volume label\n");
/* Create a new Volume label and write it to the device */
if (!write_new_volume_label_to_dev(dcr, dcr->VolumeName,
- dcr->pool_name, false /* defer DVD label */)) {
+ dcr->pool_name, false, /* no relabel */ false /* defer DVD label */)) {
Dmsg0(150, "!write_vol_label\n");
- mark_volume_in_error(dcr);
+ if (opened) {
+ mark_volume_in_error(dcr);
+ }
return try_next_vol;
}
Dmsg0(150, "dir_update_vol_info. Set Append\n");
/* Copy Director's info into the device info */
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
if (!dir_update_volume_info(dcr, true)) { /* indicate tape labeled */
return try_error;
}
return try_read_vol; /* read label we just wrote */
}
if (!dev->has_cap(CAP_LABEL) && dcr->VolCatInfo.VolCatBytes == 0) {
- Jmsg(dcr->jcr, M_INFO, 0, _("Warning device %s not configured to autolabel Volumes.\n"),
+ Jmsg(dcr->jcr, M_WARNING, 0, _("Device %s not configured to autolabel Volumes.\n"),
dev->print_name());
}
/* If not removable, Volume is broken */
DEVICE *dev = dcr->dev;
Jmsg(dcr->jcr, M_INFO, 0, _("Marking Volume \"%s\" in Error in Catalog.\n"),
dcr->VolumeName);
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
bstrncpy(dev->VolCatInfo.VolCatStatus, "Error", sizeof(dev->VolCatInfo.VolCatStatus));
Dmsg0(150, "dir_update_vol_info. Set Error.\n");
dir_update_volume_info(dcr, false);
Jmsg(jcr, M_ERROR, 0, _("Autochanger Volume \"%s\" not found in slot %d.\n"
" Setting InChanger to zero in catalog.\n"),
dcr->VolCatInfo.VolCatName, dcr->VolCatInfo.Slot);
- memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
+ dev->VolCatInfo = dcr->VolCatInfo; /* structure assignment */
dcr->VolCatInfo.InChanger = false;
dev->VolCatInfo.InChanger = false;
Dmsg0(400, "update vol info in mount\n");
dev->EndBlock = dev->EndFile = 0;
memset(&dev->VolCatInfo, 0, sizeof(dev->VolCatInfo));
memset(&dcr->VolCatInfo, 0, sizeof(dcr->VolCatInfo));
- free_volume(dev);
- memset(&dev->VolHdr, 0, sizeof(dev->VolHdr));
+ dev->clear_volhdr();
/* Force re-read of label */
dev->clear_labeled();
dev->clear_read();
dev->label_type = B_BACULA_LABEL;
dcr->VolumeName[0] = 0;
- if (dev->is_open() && (!dev->is_tape() || !dev_cap(dev, CAP_ALWAYSOPEN))) {
+ if (dev->is_open() && (!dev->is_tape() || !dev->has_cap(CAP_ALWAYSOPEN))) {
dev->close();
}
{
DEVICE *dev = dcr->dev;
JCR *jcr = dcr->jcr;
- Dmsg2(90, "NumVolumes=%d CurVolume=%d\n", jcr->NumVolumes, jcr->CurVolume);
+ Dmsg2(90, "NumReadVolumes=%d CurReadVolume=%d\n", jcr->NumReadVolumes, jcr->CurReadVolume);
/*
* End Of Tape -- mount next Volume (if another specified)
*/
- if (jcr->NumVolumes > 1 && jcr->CurVolume < jcr->NumVolumes) {
+ if (jcr->NumReadVolumes > 1 && jcr->CurReadVolume < jcr->NumReadVolumes) {
dev->close();
if (!acquire_device_for_read(dcr)) {
Jmsg2(jcr, M_FATAL, 0, _("Cannot open Dev=%s, Vol=%s\n"), dev->print_name(),