dmraid performance tuning?

Luke Yelavich luke.yelavich at canonical.com
Sun Apr 13 22:26:47 UTC 2008


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On Mon, Apr 14, 2008 at 01:30:03AM EST, Anthony Krishock wrote:
> That said.. I have one question. Is it possible to tune a dmraid disk in the
> same way that you would using hdparm? If so.. What are the steps involved?

Yes, you would use the device node of the disk or disks that are part of the array. So hdparm -d 1 /dev/sda would enable dma for sda, the first drive in the array. I don't think trying to do this with the device mapper nodes would work.

Luke
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