On Friday 17 June 2005 00:13, Nicolas Lopez wrote:
>   We've been using bacula for several months to backup a few terabytes
> to Super AIT-1.  We just upgraded our backup server to actually be able
> to keep up with the data rates the drives support so I figure now is a
> good time to actually mention that, yes, it does work with this Qualstar
> monstrosity.
>
>   The changer is a Qualstar 5466 with two Sony SDZ-100 Super AIT-1
> drives and 66 slots and a bar code reader attached via SCSI.  Everything
> works out of the box with Linux 2.4 & 2.6 using the standard SCSI tape
> drivers.  The only trouble I've had using it with Bacula is that I
> initially set it to use 512k blocks and there was a hidden "sanity"
> limit of 500k in the SD that caused it to barf when trying to read the
> tapes for restores.  I patched my local version to move the limit to
> 512k and all is happy.  Somebody should probably add this to the
> known-good configuration lists.
>
>   I'm using PostgreSQL for the catalog after trying sqlite and mysql,
> both of which seemed to get really bogged down as the catalog grew to
> it's current ridiculous proportions of 5.3G
>
>   Below is the report of the latest job run on the new Dual Opteron
> backup server running Debian/sid amd64 (64bit mode).  The File Daemon on
> the client was the limiting factor on the speed, but it was clearing
> 30M/s of network traffic for sustained periods.  At that data rate the
> backup server still had some room to push more data.  I'll try running a
> simultaneous dump to both drives this weekend and see now it holds up
>
>   Thanks for the great product.
>
>   - Nick Lopez
>     [EMAIL PROTECTED]
>
>   JobId:                  8181
>   Job:                    Narvi-home-offsite.2005-06-15_23.07.32
>   Backup Level:           Full
>   Client:                 Narvi-fd
>   FileSet:                "OffsiteHome" 2005-01-11 16:07:58
>   Pool:                   "Narvi"
>   Storage:                "Q5466-2"
>   Start time:             15-Jun-2005 23:07:34
>   End time:               16-Jun-2005 12:10:31
>   FD Files Written:       244,214
>   SD Files Written:       244,214
>   FD Bytes Written:       1,137,848,209,144
>   SD Bytes Written:       1,137,888,611,339
>   Rate:                   24221.4 KB/s
>   Software Compression:   None
>   Volume name(s):         A00019S1|A00010S1
>   Volume Session Id:      6
>   Volume Session Time:    1118898584
>   Last Volume Bytes:      529,899,033,071
>   Non-fatal FD errors:    0
>   SD Errors:              0
>   FD termination status:  OK
>   SD termination status:  OK
>   Termination:            Backup OK
>

Really impressive!  Thanks for the feedback.  

I've upped the sanity check to 1MB.

-- 
Best regards,

Kern

  (">
  /\
  V_V


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