> -----Ursprüngliche Nachricht-----
> Von: gary artim [mailto:gartim AT gmail DOT com]
> Gesendet: Donnerstag, 15. Dezember 2011 19:09
> An: bacula-users AT lists.sourceforge DOT net
> Cc: Gary Artim
> Betreff: Re: [Bacula-users] tuning lto-4
> 
> using this bacula-sd.conf, the best I get is about 2.4GB a minute. I'm
> not working with network backups, this is just a straight raid 5 to lto-
> 4. I'm now thinking that my db (mysql) or raid is the drag/slowdown
> since I can get over 180MBs with btape. Any suggestions welcomes, I feel
> I've exhausted trying every blocksize, file size, much appreciated:
> 
> Device {
>  Name = LTO-4
>  Media Type = LTO-4
>  Archive Device = /dev/nst0
>  AutomaticMount = yes;               # when device opened, read it
>  AlwaysOpen = yes;
>  RemovableMedia = yes;
>  RandomAccess = no;
>  Maximum Block Size = 2M   # ( about 2.4GB/minute/with 12GB Max File
> Size  )
>  Maximum File Size = 12GB
>  Autochanger = yes
>  Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
>  Alert Command = "sh -c 'smartctl -H -l error %c'"
> }
> 

Try setting "Spool Attributes = yes" in your job resource to check whether your 
db is the bottleneck.

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