Summary:
the "update slots" command fails after changing tapes in the
autochanger, causing bacula to have the wrong idea of what volumes
are loaded
Environment:
OS: linux 2.4.26 (FC1)
bacula: 1.38.9 (the director and sd daemons running on the same server)
Storage: Dell LTO2 24 slot autochanger with 2 drives
The config works fine--bacula is able to move tapes, use both drives, etc. If I
load tapes and restart bacula, there's no problem running commands like "label
barcodes" or "update slots".
If I remove tapes (by issuing "mtx" commands to transfer the tapes to and from
the import/export slot, or by removing a tape magazine and bulk loading tapes),
without restarting bacula, then bacula gets confused about the capability of the
atuochanger.
This is _not_ a permissions problem, as the bacula user can run both
/usr/sbin/mtx and /usr/local/bacula/bin/mtx-changer successfully from the shell
to load
tapes or report on the status of the changer.
The mtx-changer command correctly reports the number of slots in the
autochanger, but bacula continues to give the error "No slots in changer to
scan" and claims the device has 0
slots.
Examples:
---------------------------------------------------------------
[EMAIL PROTECTED] bin]$ ./mtx-changer /dev/changer slots
24
[EMAIL PROTECTED] bin]$ /usr/sbin/mtx -f /dev/changer status
Storage Changer /dev/changer:2 Drives, 24 Slots ( 1 Import/Export )
Data Transfer Element 0:Full (Storage Element 18 Loaded):VolumeTag = 000077
Data Transfer Element 1:Empty
Storage Element 1:Full :VolumeTag=000002
Storage Element 2:Full :VolumeTag=000004
Storage Element 3:Full :VolumeTag=000005
Storage Element 4:Full :VolumeTag=000006
Storage Element 5:Full :VolumeTag=000019
Storage Element 6:Full :VolumeTag=000073
Storage Element 7:Full :VolumeTag=000007
Storage Element 8:Full :VolumeTag=000030
Storage Element 9:Full :VolumeTag=000009
Storage Element 10:Full :VolumeTag=000011
Storage Element 11:Full :VolumeTag=000012
Storage Element 12:Full :VolumeTag=000051
Storage Element 13:Full :VolumeTag=000052
Storage Element 14:Full :VolumeTag=000059
Storage Element 15:Full :VolumeTag=000060
Storage Element 16:Full :VolumeTag=000042
Storage Element 17:Full :VolumeTag=000076
Storage Element 18:Empty:VolumeTag=
Storage Element 19:Full :VolumeTag=000078
Storage Element 20:Full :VolumeTag=000079
Storage Element 21:Full :VolumeTag=000080
Storage Element 22:Full :VolumeTag=000061
Storage Element 23:Full :VolumeTag=000038
Storage Element 24 IMPORT/EXPORT:Empty:VolumeTag=
[EMAIL PROTECTED] bin]$ ./bconsole -c ../etc/bconsole.conf
Connecting to Director parthenon:9101
1000 OK: parthenon-dir Version: 1.38.9 (02 May 2006)
Enter a period to cancel a command.
*update slots
Using default Catalog name=MyCatalog DB=bacula
Automatically selected Storage: pv132t
Connecting to Storage daemon pv132t at parthenon:9103 ...
3937 Device "Drive-0" (/dev/tape0) is busy with 1 writer(s).
Enter autochanger drive[0]: 1
Connecting to Storage daemon pv132t at parthenon:9103 ...
3937 Device "Drive-0" (/dev/tape0) is busy with 1 writer(s).
Device "pv132t" has 0 slots.
No slots in changer to scan.
*quit
---------------------------------------------------------------
Here's my bacula-sd.conf:
---------------------------------------------------------------
Storage { # definition of myself
Name = parthenon-sd
SDPort = 9103 # Director's port
WorkingDirectory = "/usr/local/bacula/var/working"
Pid Directory = "/usr/local/bacula/var/run"
Maximum Concurrent Jobs = 50
}
#
# List Directors who are permitted to contact Storage daemon
#
Director {
Name = parthenon-dir
Password = ""
}
#
# An autochanger device with two drives
#
Autochanger {
Name = pv132t
Device = Drive-0
Device = Drive-1
Changer Command = "/usr/local/bacula/bin/mtx-changer %c %o %S %a %d"
Changer Device = /dev/changer
}
Device {
Name = Drive-0 #
LabelMedia = yes; # lets Bacula label unlabeled media
Drive Index = 0
Media Type = LTO2
Archive Device = /dev/tape0
AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
# Enable the Alert command only if you have the mtx package loaded
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
Maximum Spool Size = 80G # For network client
Maximum Network Buffer Size = 65536
Spool Directory = /san3/var/spool/bacula
Autoselect = yes
}
Device {
Name = Drive-1 #
LabelMedia = yes; # lets Bacula label unlabeled media
Drive Index = 1
Media Type = LTO2
Archive Device = /dev/tape1
AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
# Enable the Alert command only if you have the mtx package loaded
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
Maximum Spool Size = 90G # For network client
Maximum Network Buffer Size = 65536
Spool Directory = /san3/var/spool/bacula
Autoselect = yes
}
---------------------------------------------------------------
Any suggestions would be appreciated.
Thanks,
Mark
----
Mark Bergman [EMAIL PROTECTED]
System Administrator
Section of Biomedical Image Analysis 215-662-7310
Department of Radiology, University of Pennsylvania
http://pgpkeys.pca.dfn.de:11371/pks/lookup?search=mark.bergman%40.uphs.upenn.edu
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