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Raid 5 Stripe Size

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by icetub

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I have a Raid-5 configuration with 4-36GB drives. What is the best stripe size to use for the fastest recovery? The server currently is using 8k stripes and it took just over four hours for the drive to rebuild.

3 replies

by joncr

This really depends on the hardware but I expect 8k is default. If your using NT/2000 I find 16k my optimum size but I use 4x 18GB hard drives. I'm afraid you need to experiment as it depends on ALL your disk subsystem and can differ wildly.

by icetub

I finally spoke with someone from HP and they suggested 32k stripes because of the size of the drives. Thanks for your help.

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