From: Roman Mamedov <roman@rm.pp.ru>
To: Neil Brown <neilb@suse.de>
Cc: Mikael Abrahamsson <swmike@swm.pp.se>,
Ben Nemec <lists@nemebean.com>,
linux-raid@vger.kernel.org
Subject: Re: Replacing a drive in RAID 0
Date: Tue, 3 Aug 2010 13:46:58 +0600 [thread overview]
Message-ID: <20100803134658.4e48c97c@natsu> (raw)
In-Reply-To: <20100803161456.31d0f69b@notabene>
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On Tue, 3 Aug 2010 16:14:56 +1000
Neil Brown <neilb@suse.de> wrote:
> > Yes, you can binary copy the drive like that, that's what I usually do.
>
> Of course you need to be sure that the old and new devices are exactly the
> same size. Normally they will but it is worth double checking that the
> number of sectors (blockdev --getsize) is exactly the same.
Isn't it okay for the new drive to be larger? At least if the RAID0 was
created from partitions, not whole block devices.
And if it was created from devices, there is a way to make the new larger
drive to be of exactly the same size as the old one, by setting a HPA on it
(see hdparm -N).
--
With respect,
Roman
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next prev parent reply other threads:[~2010-08-03 7:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-02 22:18 Replacing a drive in RAID 0 Ben Nemec
2010-08-03 5:22 ` Mikael Abrahamsson
2010-08-03 6:14 ` Neil Brown
2010-08-03 7:46 ` Roman Mamedov [this message]
2010-08-03 8:29 ` Neil Brown
2010-08-03 15:28 ` Ben Nemec
2010-08-05 6:59 ` Leslie Rhorer
2010-08-05 14:51 ` Ben Nemec
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