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Konstantin Sobolev wrote: >Hi, > >/dev/hde: > Timing buffer-cache reads: 1436 MB in 2.00 seconds = 717.03 MB/sec > Timing buffered disk reads: 100 MB in 3.03 seconds = 32.95 MB/sec > >for sata_sil: > >/dev/sda: > Timing buffer-cache reads: 1412 MB in 2.00 seconds = 705.05 MB/sec > Timing buffered disk reads: 84 MB in 3.06 seconds = 27.43 MB/sec > >So my old IDE HDD appears to be considerably faster. Expected results were >55-70MB/s. > > With same hard drive connected to 3ware S-ATA controller I got 40-50MB/sec with hdparm on 2.6.4 and 2.6.5. Then tried to hdparm -a 8192 /dev/sda, and got this: /dev/sda: Timing buffer-cache reads: 2056 MB in 2.00 seconds = 1027.13 MB/sec Timing buffered disk reads: 266 MB in 3.00 seconds = 88.53 MB/sec So you may try that switch, maybe helps. Lenar - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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