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From: David Greaves <david@dgreaves.com>
To: "michael@kmaclub.com" <michael@kmaclub.com>
Cc: Michal Soltys <soltys@ziu.info>, linux-raid@vger.kernel.org
Subject: Re: Confused about UUID mounting and mirrors
Date: Mon, 16 Jun 2008 22:38:35 +0100	[thread overview]
Message-ID: <4856DD5B.9050303@dgreaves.com> (raw)
In-Reply-To: <4856DB4C.20905@kmaclub.com>

michael@kmaclub.com wrote:
> UUID=8e651838-38c1-4783-8bde-4174ec484d52 /     ext3    defaults  1 1
> UUID=aaeca70c-f0fe-470c-b631-87248648d275 /export xfs defaults,nobarrier
> 1 2
> UUID=6e22c5b0-2874-4826-a871-ed733f8da643 swap swap    defaults   0 0
> UUID=323cd094-4cbe-4c3b-9096-366c05465e7c /export/services xfs defaults 1 2
> 
> so it is referring to the UUID of the filesystem and not necessarily the
> device.  Some are single partitions, some md devices, and some sit on
> top of LVM.

What does :
  mdadm --detail /dev/md0 | grep UUID
show?

I think it will give you the UUID of the md device, not the fs on the md device
(which as you have seen is also the UUID of the fs visible on the md components)

David

  reply	other threads:[~2008-06-16 21:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-16 17:54 Confused about UUID mounting and mirrors michael
2008-06-16 20:41 ` Michal Soltys
2008-06-16 21:29   ` michael
2008-06-16 21:38     ` David Greaves [this message]
2008-06-17  2:29       ` michael
2008-06-17  7:11         ` Michael Tokarev
2008-06-17 14:19           ` michael
2008-06-17 16:10             ` Clive Messer
2008-06-18 14:00             ` Michael Tokarev
2008-06-18 14:42               ` michael
2008-06-20  2:17               ` michael
2008-06-17 19:17         ` Peter Grandi
2008-06-17 21:37     ` Michal Soltys
2008-06-19  3:56 ` Neil Brown
2008-06-22 20:05 ` Bill Davidsen

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