Re: O_DIRECT to md raid 6 is slow

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On 15/08/2012 01:49, Andy Lutomirski wrote:
If I do:
# dd if=/dev/zero of=/dev/md0p1 bs=8M
It looks like md isn't recognizing that I'm writing whole stripes when
I'm in O_DIRECT mode.

I see your md device is partitioned. Is the partition itself stripe-aligned?



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