Thread: RAID5 suxx
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Old 10-14-2012, 11:35   #7
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I put together a 4-disk RAID10. I'm very happy with its performance, just noticed one strange thing: enabling write-back cache drastically decreases the write speed with 512K block size. Sequential write speed and 4K write speed are not affected.

Here are the benchmark results (with WB disabled):

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