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Date: Sat, 13 Jan 2007 21:02:50 -0600
From: CyberLeo Kitsana <cyberleo@cyberleo.net>
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Cc: FreeBSD Geom <freebsd-geom@freebsd.org>
Subject: Re: geom_raid5 livelock?
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R. B. Riddick wrote:
> Thank you for the tests... :-)

You're welcome. Always glad to help squash bugs.

> 1. (hard way)
> Look at the data (16KB) at that offset of all disks and see, where exactly the
> parity mismatches ("dd if=/dev/adXs2 bs=16k iseek=16140017
> of=/tmp/adXs2.test..."; then we could XOR them all together and see, where we
> have non-zero bits)

I XORed together all four 16k blocks captured during a livelock, and it 
came out to a file full of nul bytes. Given what you'd said, I believe 
that means the parity is correct for that stripe.

--
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-CyberLeo
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