On 2/10/2012 9:11 AM, Cristóbal Sabroe Yde wrote:
> El 09/02/12 13:46, Cristóbal Sabroe Yde escribió:
>> Hi, I've just installed a new backup system consisting of An IBM 
>> TS3100 ( LTO5) with bacula 5.2.5 running on an openSUSE 12.1 x86_64 
>> server.
>>
>> I'm having VERY low backup speed with 99.99% io usage from jbd2 and 
>> don't know what could be causing it. I see this behaviour only when 
>> running a job in bacula (a local backup or network with spool and 
>> without spool). I've tried intensive disk usage, intensive mysql 
>> usage and tape testing (tar and btape) and the problem doesn't occur.

But did you try intensive disk usage and intensive mysql usage at the 
same time? If you have the mysql db on the same disk as the spool, then 
a closer match would be intensive disk usage simultaneously with 
intensive mysql usage.



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