From: Brad Campbell <brad@wasp.net.au>
To: Luca Berra <bluca@comedia.it>
Cc: linux-raid@vger.kernel.org
Subject: Re: Possible failures in raid5?
Date: Thu, 30 Dec 2004 03:40:22 +0400 [thread overview]
Message-ID: <41D34066.2080501@wasp.net.au> (raw)
In-Reply-To: <20041229213841.GC32160@percy.comedia.it>
Luca Berra wrote:
> On Tue, Dec 28, 2004 at 10:35:33PM -0500, Guy wrote:
>
>> For testing the disk(s) status, look at smartd.
>> My disks are too old, but newer disks should support this.
>
> except that libata does not support S.M.A.R.T.
There is an experimental patch in the libata-dev tree that appears (and I mean it works for me) to
support SMART reliably on a UP kernel. There is a known issue with SMP kernels ATM. I have been
using it every 20 minutes on a reasonably loaded server with 13 SATA and 1 ATA disks now for what
must be several months with no issues. (It has helped detect a pending disk failure quite nicely)/
I guess it will stay experimental until someone with an SMP machine can assist Andy in debugging the
SCSI passthough code (It's not SMART specific at this stage).
--
Brad
/"\
Save the Forests \ / ASCII RIBBON CAMPAIGN
Burn a Greenie. X AGAINST HTML MAIL
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next prev parent reply other threads:[~2004-12-29 23:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-27 1:14 Possible failures in raid5? John McMonagle
2004-12-28 7:48 ` Peter T. Breuer
2004-12-28 23:23 ` John McMonagle
2004-12-28 23:40 ` Peter T. Breuer
2004-12-29 3:35 ` Guy
2004-12-29 21:38 ` Luca Berra
2004-12-29 22:53 ` Guy
2004-12-29 23:40 ` Brad Campbell [this message]
2004-12-30 6:53 ` Luca Berra
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