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From: Richard Scobie <richard@sauce.co.nz>
To: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: RAID1 == two different ARRAY in scan, and Q on read error corrected
Date: Sat, 19 Apr 2008 15:15:28 +1200	[thread overview]
Message-ID: <480963D0.70307@sauce.co.nz> (raw)
In-Reply-To: <A20315AE59B5C34585629E258D76A97C087DAB@34093-C3-EVS3.exchange.rackspace.com>

David Lethe wrote:
> You can't assume a disk is losing sectors and failing without running
> some diagnostics. If you had an improper shutdown (i.e, power loss, not
> a crash), and disks were writing, then you can get ECC errors.  That
> does not indicate the disk is bad.

The error was:

Apr 18 14:01:45  smartd[2104]: Device: /dev/sdc, 3 Currently unreadable 
(pending) sectors

These are not ECC errors and the definition I have for pending sector 
errors is, "Current count of unstable sectors (waiting for remapping)."

It would be useful to see the Reallocated Sectors Count from the 
smartctl output.

Regards,

Richard

  reply	other threads:[~2008-04-19  3:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-18 19:35 RAID1 == two different ARRAY in scan, and Q on read error corrected Phil Lobbes
2008-04-18 22:02 ` Richard Scobie
2008-04-18 23:49   ` David Lethe
2008-04-19  3:15     ` Richard Scobie [this message]
2008-04-19 17:26       ` Phil Lobbes
2008-04-19 19:58         ` Richard Scobie
2008-04-19 20:43           ` David Lethe

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