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Re: Big Endian fix patch

From: Doug Nazar
Subject: Re: Big Endian fix patch
Date: Wed, 28 Jul 2010 14:17:10 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv: Gecko/20100713 Thunderbird/3.1.1

 On 2010-07-28 1:52 PM, Lennart Sorensen wrote:

Another thing that puzzles me is that when I boot linux, I always get
a message that says the state is wrong with the superblock on the sda
partitions, but the sdb partitions have the right state.  I have no idea
if grub messes with this, or if the system isn't shutting down the raid
properly on reboots.  It manages to assemble the raid and fix it
automatically, but the error is strange since I have never seen that
before.  Of course I haven't really used 1.x raid before either, so
maybe that's part of it.

It really shouldn't be doing that. Grub shouldn't be doing any writes at all during boot (unless you're using some of the more exotic commands or save_env) and the raid code specifically errors on writes to it.

If it was linux I'd expect both drives to be wrong unless there is something silly in the init scripts.

When you say it fixes it, is that a full re-sync or something else? Could you check the superblocks? In grub use the following on each device for 1.2 arrays.

hexdump -s 4096 -n 256 (dev,p)


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