From: NeilBrown <neilb@suse.de>
To: Jianpeng Ma <majianpeng@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: RFC: Add WWN in superblock
Date: Tue, 14 Aug 2012 09:54:59 +1000 [thread overview]
Message-ID: <20120814095459.009ad345@notabene.brown> (raw)
In-Reply-To: <201208131829289067947@gmail.com>
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On Mon, 13 Aug 2012 18:29:31 +0800 "Jianpeng Ma" <majianpeng@gmail.com> wrote:
> Hi neil:
> In mailist, many people ask the question about disk order.
> But because the reboot or anthor probelm, the disk-name maybe change.
> So we can't get disk-order.But if we can add WWN(Now,most harddisk has this attribute),
> we can find the orders anything.
>
> Thanks!
What exactly do you propose doing with a WWN - how would you use it.
The metadata already contains enough information to determine the correct
disk order.
NeilBrown
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prev parent reply other threads:[~2012-08-13 23:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-13 10:29 RFC: Add WWN in superblock Jianpeng Ma
2012-08-13 23:54 ` NeilBrown [this message]
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