Bacula-users

Re: [Bacula-users] ERR=Could not mount DVD device

2008-11-24 17:41:12
Subject: Re: [Bacula-users] ERR=Could not mount DVD device
From: Nils Blanck-Wehde <nils.blanck-wehde AT backofficeservice DOT biz>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 24 Nov 2008 23:38:48 +0100
Hello again!

Maybe I should add that the first part indeed gets written to the dvd.
So there IS something on the DVD, it's readable and look quite ok
(bacula header then tar-ish concatenation of files)

Thanks for any help!

Nils

Nils Blanck-Wehde schrieb:
> Hello list!
>
> I am running bacula 2.4.2 from fschwarz's EL5 rpms on CentOS 5.2
>
> I am having a hard time getting bacula to write backups to DVD. I have
> narrowed it down to the following:
> After burning a part to DVD, bacula mounts the volume to determine the
> used space and pass the result to growisofs.
> This mount fails and the used space is not determined correctly (I guess).
>
> My mount command (from storage definition) is:
>     "/usr/bin/sudo /bin/mount -t iso9660 -o ro %a %m"
> I can mount and unmount the dvd-writer as user bacula with
> "/usr/bin/sudo /bin/mount -t iso9660 -o ro /dev/dvdwriter-hda
> /mnt/bacula-dvd" without any problems.
> The same error occurs when I do not use "/etc/init.d/bacula-dir start"
> to start the sd but instead run "/usr/sbin/bacula-sd -d 99" as root.
> I really can't see why bacula should NOT be able to mount the device. I
> cannot reproduce this error on a shell as user "bacula". Plus the exact
> same error happens when I run the sd as root. Maybe the output is
> misleading?
> I am quite stuck here. Any help would be greatly appreciated!
>
> Thanks in advance
>
> Nils
>
> My configuration (If any other info would help, please ask):
>
> This is my dvd-tools version:
> dvd+rw-tools-7.0-0.el5.3
> I read that dvd+rw tools have to have a bacula-patch incorporated. I
> don't know if my version does so and to be honest I don't know how to
> find out...
>
> I don't know if it matters but I am using "Platinum 16x DVD-R 4.7GB"
> media (I have tried DVD+R media as well, no luck).
>
> This is the storage definition:
> Device {
>   Name = "DVDWriter"
>   Media Type = DVD
>   Device Type = DVD
>   Archive Device = /dev/dvdwriter-hda
>   LabelMedia = yes;                   # lets Bacula label unlabeled media
>   Random Access = Yes;
>   AutomaticMount = yes;               # when device opened, read it
>   RemovableMedia = yes;
>   AlwaysOpen = no;
>   MaximumPartSize = 50M;      # decreased partsize to reproduce error
> more quickly (should be 800M)
>   RequiresMount = yes;
>   MountPoint = /mnt/bacula-dvd;
>   MountCommand = "/usr/bin/sudo /bin/mount -t iso9660 -o ro %a %m"
>   UnmountCommand = "/usr/bin/sudo /bin/umount %m"
>   SpoolDirectory = /tmp/backup;
>   WritePartCommand = "/usr/lib/bacula/dvd-handler %a write %e %v"
>   FreeSpaceCommand = "/usr/lib/bacula/dvd-handler %a free"
> }
>
> This is the job's output:
> 24-Nov 22:40 company_bacula-dir JobId 18: Start Backup JobId 18,
> Job=nightly-self-backup.2008-11-24_22.40.03
> 24-Nov 22:40 company_bacula-dir JobId 18: There are no more Jobs
> associated with Volume "Vol0013". Marking it purged.
> 24-Nov 22:40 company_bacula-dir JobId 18: All records pruned from Volume
> "Vol0013"; marking it "Purged"
> 24-Nov 22:40 company_bacula-dir JobId 18: Recycled volume "Vol0013"
> 24-Nov 22:40 company_bacula-dir JobId 18: Using Device "DVDWriter"
> 24-Nov 22:40 company_bacula-sd JobId 18: Labeled new Volume "Vol0013" on
> device "DVDWriter" (/dev/dvdwriter-hda).
> 24-Nov 22:40 company_bacula-sd JobId 18: Wrote label to prelabeled
> Volume "Vol0013" on device "DVDWriter" (/dev/dvdwriter-hda)
> 24-Nov 22:40 company_bacula-dir JobId 18: Max Volume jobs exceeded.
> Marking Volume "Vol0013" as Used.
> 24-Nov 22:41 company_bacula-sd JobId 18: Part 1 (52384172 bytes) written
> to DVD.
> 24-Nov 22:41 company_bacula-sd JobId 18: Remaining free space
> 18,446,744,073,709,551,466 on "DVDWriter" (/dev/dvdwriter-hda)
> 24-Nov 22:41 company_bacula-sd JobId 18: Fatal error: block.c:856 Unable
> to open device next part "DVDWriter" (/dev/dvdwriter-hda): ERR=Could not
> mount DVD device "DVDWriter" (/dev/dvdwriter-hda).
>
> 24-Nov 22:41 company_bacula-sd JobId 18: Job write elapsed time =
> 00:01:09, Transfer rate = 758.7 K bytes/second
> 24-Nov 22:41 company_bacula-fd JobId 18: Fatal error: backup.c:892
> Network send error to SD. ERR=Die Verbindung wurde vom
> Kommunikationspartner zurückgesetzt
> 24-Nov 22:41 company_bacula-dir JobId 18: Error: Bacula
> company_bacula-dir 2.4.2 (26Jul08): 24-Nov-2008 22:41:30
>   Build OS:               i686-redhat-linux-gnu redhat
>   JobId:                  18
>   Job:                    nightly-self-backup.2008-11-24_22.40.03
>   Backup Level:           Full
>   Client:                 "company_bacula-fd" 2.4.2 (26Jul08)
> i686-redhat-linux-gnu,redhat,
>   FileSet:                "Bacula-Server System-Backup FileSet"
> 2008-11-15 15:56:40
>   Pool:                   "Default-Harddisk" (From Job resource)
>   Storage:                "DVD" (From user selection)
>   Scheduled time:         24-Nov-2008 22:40:02
>   Start time:             24-Nov-2008 22:40:08
>   End time:               24-Nov-2008 22:41:30
>   Elapsed time:           1 min 22 secs
>   Priority:               10
>   FD Files Written:       234
>   SD Files Written:       233
>   FD Bytes Written:       52,859,729 (52.85 MB)
>   SD Bytes Written:       52,356,805 (52.35 MB)
>   Rate:                   644.6 KB/s
>   Software Compression:   None
>   VSS:                    no
>   Storage Encryption:     no
>   Volume name(s):
>   Volume Session Id:      1
>   Volume Session Time:    1227562801
>   Last Volume Bytes:      214 (214 B)
>   Non-fatal FD errors:    0
>   SD Errors:              0
>   FD termination status:  Error
>   SD termination status:  Error
>   Termination:            *** Backup Error ***
>
>   

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