Hi,
just saw a 3ware document with some hints for hardware raid5 they advice to use blockdev --setra 16384
since i'm not using 3ware hardware raid (i'm using 2*7500 3ware's with sw raid5 over 14 disks) i'm wondering if --setra can still improve my raid performance
any hints about this ?
or some other hints, improvements on filesystem ?
i'm currently using blocksize 128, maybe switching to 256 helps ? (with large files)
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