Bacula-users

Re: [Bacula-users] bacula can't make use of multi drives

2015-02-12 20:56:26
Subject: Re: [Bacula-users] bacula can't make use of multi drives
From: Josh Fisher <jfisher AT pvct DOT com>
To: "Kelley, Jared" <jkelley AT popcap DOT com>, "bacula-users AT lists.sourceforge DOT net" <bacula-users AT lists.sourceforge DOT net>
Date: Thu, 12 Feb 2015 20:52:38 -0500

On 2/12/2015 12:33 PM, Kelley, Jared wrote:
given the data in my last email.  There is more.  Status storage sees the correct volumes mounted in the drives, but has the slots wrong.
compared with mtx changer


/etc/bacula/scripts/mtx-changer /dev/sg13 listall | head -10

D:0:F:1:AAAB1763B2                      

D:1:F:16:AAAC236886                      

D:2:F:17:AAAC2D6888                      

D:3:F:19:AAAC266883                      

D:4:F:22:AAAC226887                      

D:5:F:24:AAAB0863AD                      

D:6:F:25:AAACDA687F                      

D:7:F:32:AAAB0F63AA                      

D:8:F:38:AAAB1563B0 

D:9:E




status storage:

Device "Drive0" (/dev/tape/by-path/ip-10.5.66.22:3260-iscsi-iqn.1997-05.com.amazon:sgw-20b85d49-tapedrive-01-lun-0-nst) is mounted with:

    Volume:      AAAB1763B2

    Pool:        Default

    Media type:  LTO

    Slot 25 is loaded in drive 0.

    Total Bytes=1,990,203,651,072 Blocks=192,563 Bytes/block=10,335,337

    Positioned at File=2,142 Block=6,400

==



What does 'status slots' show?

If possible, try running mtx-changer manually with bacula stopped. Do a 'list' command, not a 'listall', since it is the list command that Bacula uses during 'update slots' There could potentially be an issue with the mtx-changer script itself. The manually load and unload a drive using mtx-changer and see if anything changes.

Also, run mtx-changer as the same user that bacula-sd runs as, because mtx-changer is being invoked by SD. On my Centos 6 system it runs as bacula:tape. This could reveal a permissions issue, etc.I think at this point it is best to first determine that the mtx-changer script is indeed working as expected by testing it manually.




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