Re: Benchmarks: Linux Kernel RAID vs a Hardware RAID setup

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Mr. James W. Laferriere wrote:

    At what level (2.6.26) does one set readahead ?
I've searched 'mount' , 'mdadm' , 'Documentation/md.txt' . Where else should I look ? Obviously I am missing something .

Hi Jim,

/sbin/blockdev --setra 65536 /dev/md5 gets it done here.

Regards,

Richard
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