From: Mike Hardy <mhardy@h3c.com>
To: PFC <lists@peufeu.com>
Cc: "Paul M." <paul@gpmidi.net>,
mingz@ele.uri.edu, linux-raid@vger.kernel.org
Subject: Re: how to clone a disk
Date: Sat, 11 Mar 2006 08:55:59 -0800 [thread overview]
Message-ID: <4413011F.30709@h3c.com> (raw)
In-Reply-To: <op.s581hroxcigqcu@apollo13>
I can think of two things I'd do slightly differently...
Do a smartctl -t long on each disk before you do anything, to verify
that you don't have single sector errors on other drives
Use ddrescue for better results copying a failing drive
-Mike
PFC wrote:
>
>>> I have a raid5 array that contain 4 disk and 1 spare disk. now i saw one
>>> disk have sign of going fail via smart log.
>
>
> Better safe than sorry... replace the failing disk and resync,
> that's all.
>
> You might want to do "cat /dev/md# > /dev/null", or "cat /dev/hd?
>
>> /dev/null" first. This is to be sure there isn't some yet-unseen bad
>
> sector on some other drive which would screw your resync.
> -
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2006-03-11 16:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-11 0:56 how to clone a disk Ming Zhang
2006-03-11 11:53 ` Paul M.
2006-03-11 12:40 ` PFC
2006-03-11 16:55 ` Mike Hardy [this message]
2006-03-11 22:09 ` Ming Zhang
2006-03-11 23:08 ` Mike Hardy
2006-03-11 23:10 ` Ming Zhang
2006-03-11 22:08 ` Ming Zhang
2006-03-12 0:15 ` dean gaudet
2006-03-12 0:22 ` Ming Zhang
2006-03-12 0:31 ` dean gaudet
2006-03-12 0:36 ` Ming Zhang
2006-03-12 0:47 ` dean gaudet
2006-03-12 0:54 ` Ming Zhang
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