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From: Michael Tokarev <mjt@tls.msk.ru>
To: "michael@kmaclub.com" <michael@kmaclub.com>
Cc: David Greaves <david@dgreaves.com>,
	Michal Soltys <soltys@ziu.info>,
	linux-raid@vger.kernel.org
Subject: Re: Confused about UUID mounting and mirrors
Date: Wed, 18 Jun 2008 18:00:07 +0400	[thread overview]
Message-ID: <485914E7.1000800@msgid.tls.msk.ru> (raw)
In-Reply-To: <4857C7FC.9000000@kmaclub.com>

michael@kmaclub.com wrote:
[]
> Using the filesystem ID doesn't work either because /dev/sda, /dev/sdb, 
> and /dev/md0 all have the same UUID since it is a mirror.  How do you 
> tell the system to mount /dev/md0 and not the individual drives which is 
> what it is trying to do now.

The tools/library that looks up filesystem UUIDs/labels are smarter than
that.  Or are supposed to be smarter.  That it - the tools are able to
recognize and skip components of a raid array, since raid superblock is
present on the device - which is not present on the array itself.

/mjt

  parent reply	other threads:[~2008-06-18 14:00 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
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 [this message]
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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