From: Ray Lee <madrabbit@gmail.com>
To: Manfred Wassmann <tux.wassmann@googlemail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: contact problem? (was Re: Spurious Filesystem corruption with ext3 + large (<400GB) hw RAID ...)
Date: Sat, 14 Feb 2009 09:40:23 -0800 [thread overview]
Message-ID: <2c0942db0902140940v4b16c517mcbcd4874466e5158@mail.gmail.com> (raw)
In-Reply-To: <6bd94bae0902130829r15e6eacag25220487457027ad@mail.gmail.com>
On Fri, Feb 13, 2009 at 8:29 AM, Manfred Wassmann
<tux.wassmann@googlemail.com> wrote:
> On Fri, Feb 6, 2009 at 7:50 PM, Ray Lee <ray-lk@madrabbit.org> wrote:
>
>> Huh. It may be related to whatever kernel version Ubuntu uses to boot
>> up the install media. Try a different version of Ubuntu (older, newer
>> if a newer one exists) to see if it has the same problem.
>
> Thank you for your notice but as I mentioned the problem occurred
> first with my custom built kernel and the Ubuntu installation disk was
> used only to reproduce the error -- Ubuntu is not what I use anyhow,
> I'm on Debian since I switched from Slackware in 1995 ;-)
>
> But now it looks like we had an exotic hardware problem here. Just
> before the weekend the RAID controller reported a degraded array and
> switched to the hotspare disk. On Monday the original array was
> recreated and everything worked fine until Tuesday morning when the
> array again was degraded. But then since the disk was checked and
> reinserted into the array all problems are gone :-\
>
> Is it possible that such a problem is caused by bad contact within the
> drive bay connector?
>
> The reason why it occurred with ext3 only might then be that ext3
> stores it's backup superblocks at addresses which are otherwise unused
> by a largely empty filesystem.
(Ah, I missed this message first time around. Please always do a
reply-to-all for lkml.)
Bad contacts, sure, or (more likely) a marginal power supply? Can you
try a different enclosure, or a different power supply for the
enclosure?
next prev parent reply other threads:[~2009-02-14 17:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-13 16:29 Manfred Wassmann
2009-02-14 17:40 ` Ray Lee [this message]
2009-02-28 19:32 ` Manfred Wassmann
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