On 08/02/06 22:59, Kevin Taber wrote:
Hardware: HP DL380 G4, 3.2Ghz Xeon EM64T, Smart Array 6i, 3GB RAM, 2 logical
drives: 2 x 36GB Ultra320 15k and 4 x 146GB Ultra320 10k
RAID setup in question: 4 x 146GB Ultra320 drives ( roughly 300GB raid 5 )
I'm setting this array up for samba use... Windows 2003 folders will
redirect to a share. I'm going with a raid stripe size of 128KB, what
should my newfs args be? I have heard mixed answers via IRC.
I think if I recall correctly you'll want to make sure your filesystem
starts on one of the stripe offsets, so either at 0 bytes, or 128k byte
offset. If I recall, either phk@ or scottl@ knew the right magic for that.
Maybe this paper is related:
http://db.usenix.org/events/fast02/schindler/schindler_html/index.html
The best way to know for sure, is to test it with your type of workload
(simulated or real).
Eric
--
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Eric Anderson Sr. Systems Administrator Centaur Technology
Anything that works is better than anything that doesn't.
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