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Re: IDE write cache and journaling file systems

To: linux-xfs@xxxxxxxxxxx
Subject: Re: IDE write cache and journaling file systems
From: Nic Doye <nic@xxxxxxxxxxx>
Date: 22 Apr 2002 11:11:19 +0100
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On Mon, 2002-04-22 at 10:36, Simon Matter wrote:

> You did not tell us which kernel you're on.

Sorry. I think many variables changed at once (hence never reporting
it). Personally, I view it as my own stupid fault.

Factors that changed:
1) went from sane disk layout to dumb disk layout
2) went from RH 7.1 to RH 7.2
3) went from 2.4.3 to 2.4.9-21 (and onto 31) (Both of these 2.4.9's are
your excellent contrib kernels which I also use on my real machines)

> Anyway, if it's the "remount readonly bug" I could explain it like this:
> Before you had /home on a separate partition and this one was unmounted
> on reboot and therefore all data was cleanly written to the disk.
> Now your /home is on the / partition and therefore on reboot your /home
> is remounted readonly and this could leave to data loss if your kernel
> is affected by this bug. Just put a 'sleep 40' in the halt script before
> root gets remounted readonly and try it.

This sounds perfectly feasible. I'll do some tests to see.


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