ZFS bonnie++ testing

Kevin Kramer kramer at centtech.com
Tue Jun 12 21:29:38 UTC 2007


I can do this test tomorrow. I've changed the hardware raids to 0+1 and 
am waiting on that re-config to finish. I'll post results tomorrow.

Ivan Voras wrote:
> Kevin Kramer wrote:
>> I wanted to know what bonnie++ testing (give me the command line) would
>> someone like me to try. I am current updating source, so I don't have
>> the latest commits that increase speed.
> 
> Do a chdir to /mammoth, go to a directory your current user (which isn't
> root) can write to, and do
> 
> Probably bonnie++ -s 2*your_memory -d. -n64
> 
> the 2*your_memory is in megabytes so if you have 4 GB memory do:
> 
> bonnie++ -s8192 -d. -n64
> 
> If you notice that file operations field in the results gets printed as
> stars (***), double the "64" argument (measured in thousands of files)
> and try again.
> 
>> ZFS using the following:
>>
>> 3 - Jetstor SATA disk arrays containing 16 disks (750g) in RAID6,
>> connected with 2G fiber to a Qlogic fabric.
> 
> So you're doing software RAID5 over three hardware RAID6 arrays? Nice :)
> I hope your physical setup can make use of such redundancy.
> 
> It will be interesting to see this results!
> 



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