On Mon, 2 Jul 2007, Mr. James W. Laferriere wrote:
Hello Justin (& all) ,
My read ahead is set to 64 megabytes and 16384 for the stripe_size_cache.
Might you know of a tool for acquiring these (*) parameters for a
scsi drive ? hdrarm really doesn't like real scsi drives so that doesn't
seem to work for me .
(*) "BuffType=DualPortCache, BuffSize=7936kB," Stolen from above .
Tia , JimL
Best bet is to benchmark and test, try 128,256,512,1024 for the chunk
size, also if your drives are on the PCI bus, it probably won't matter
much.
Justin.
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