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I have a simple RAID at home with 2 mirrored drives and for some reason I cannot get any sort of performance out of them... Running hdparm -t
I consistently score about 100MB/s, but I get 250 to 300 from my laptop! What am I doing wrong?
Setup:
- Dell 2850 2U
- Intel srcs28x SATA hardware raid
- 2 2TB SATA II or III drives
- Running one logical mirrored drive:
- adaptive read ahead
- write-back
- direct i/o
- drive caching enabled on both
well these numbers are garbage. Is there no way to improve them? I could have sworn they were higher... – Eric Fossum – 2011-11-04T02:23:48.603
100MB/s is garbage? Have you looked at benchmarks for those drives to know what to expect? – MDMarra – 2011-11-04T07:24:45.323