From: Andrew Burgess <aab@cichlid.com>
To: Jeremy Sanders <jss@ast.cam.ac.uk>
Cc: linux-raid@vger.kernel.org
Subject: Re: Raid and badblocks
Date: Tue, 26 May 2009 08:27:23 -0700 [thread overview]
Message-ID: <1243351643.11073.29.camel@cichlid.com> (raw)
In-Reply-To: <gvgp32$9se$1@ger.gmane.org>
On Tue, 2009-05-26 at 13:59 +0100, Jeremy Sanders wrote:
> Strangely, the Reallocated_Sector_Ct is still zero on the drive even though
> Current_Pending_Sector is now zero. This is a Samsung HD103UJ by the way.
That can be ok. It probably tried writing and then rereading and when
that worked it decided the sector didn't really have a 'hard' error
(like a physical defect on the platter) and thus didn't need to be
reallocated to a spare sector. You could generate an unreadable sector
during a write by the power failing or with excessive vibration.
That said, the drive firmware could also be broken
next prev parent reply other threads:[~2009-05-26 15:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-22 9:09 Raid and badblocks Jeremy Sanders
2009-05-22 9:19 ` Jeremy Sanders
2009-05-22 11:50 ` NeilBrown
2009-05-26 12:59 ` Jeremy Sanders
2009-05-26 15:27 ` Andrew Burgess [this message]
2009-05-30 10:13 ` hank peng
2009-05-30 13:29 ` John Robinson
2009-05-30 14:21 ` Sujit Karataparambil
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