Is it a software raid 0?

Honestly I wouldn't worry about the load, especially if this system is 
dedicated to bacula backup functions.

-Aaron

Mike Seda wrote:
> Aaron Knister wrote:
>> During the job run an "iostat -k 2" and tell me what the iowait 
>> percentage is. 
> i've been using top, and the elevated load does positively correlate 
> to iowait
>> If it's over 20% 
> it is
>> you have a disk bottleneck and the CPU is waiting on the disk to 
>> write/read data which will jack up your load. 
> i have a raid 0 with write cache enabled... i may have to find another 
> solution... should i just disable data/attribute spooling?
>> It's also possible that the calculation of md5 sigs is adding a bit 
>> of CPU overhead. 
> yeah... i thought so, but the docs recommend using md5 sigs so i left 
> it in the config
>> What is the average speed of your jobs (in terms of MB/s) during this 
>> high load?
> 30 MB/s
>>
>> -Aaron
>>
>> Mike Seda wrote:
>>> Wow... On my server running bacula-sd and bacula-dir, the load 
>>> average can get as high as 9.2 when doing full backups of certain 
>>> machines... Any thoughts as to why?
>>> Server specs:
>>> Dell PE 2650 (2 x 3.06 GHz Xeon 32-bit single-core)
>>> PX502 LTO-3 FC AutoChanger
>>> RHEL 4 AS
>>> bacula 2.0.1 i386 (via rpm)
>>> data spooling (350 GB) to RAID 0 (3 x 146 GB SCSI)
>>> md5 sig option in FileSet
>>>
>>>
>>> ------------------------------------------------------------------------- 
>>>
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>>>   
>>
>
>


-------------------------------------------------------------------------
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http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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