"Tirumala Reddy Marri" <tmarri@xxxxxxxx> writes:
> I have noticed that if I zero the /dev/md0 using "dd if=/dev/zero
> of=/dev/md0 bs=4k count=64k". Then I run the "echo check >
> /sys/block/md0/md/sync_action", no mismatch_cnt reported. If I use
> "if=/some/file" then I see miss match count to set to huge number.
>
> I am testing with small RAID-5 size for quick testing. How a reliable
> is this test ? I am using HW accelerated XOR engine for RAID-5.
Have you tried without?
Maybe the XOR engine creates garbage.
MfG
Goswin
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