From: Andreas Dilger <adilger@sun.com>
To: Theodore Tso <tytso@mit.edu>
Cc: Karel Zak <kzak@redhat.com>,
linux-ext4@vger.kernel.org, Eric Sandeen <sandeen@redhat.com>,
mbroz@redhat.com, agk@redhat.com
Subject: Re: [PATCH] blkid: optimize dm_device_is_leaf() usage
Date: Tue, 26 Aug 2008 13:44:45 -0600 [thread overview]
Message-ID: <20080826194445.GN3392@webber.adilger.int> (raw)
In-Reply-To: <20080826144721.GD8720@mit.edu>
On Aug 26, 2008 10:47 -0400, Theodore Ts'o wrote:
> I don't think you mean multipath support in terms of where there are
> multiple paths to the same physical device ala fiber channel, but
> rather where are multiple devices which are built on each other,
> right? So where /dev/sda is used to create the LVM PV's, and so on,
> right?
No, in fact DM has actual mutliple-paths-to-the-same-device support,
via "dm-multipath".
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
next prev parent reply other threads:[~2008-08-26 19:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-25 20:48 [PATCH] blkid: optimize dm_device_is_leaf() usage Karel Zak
2008-08-26 12:24 ` Theodore Tso
2008-08-26 13:51 ` Karel Zak
2008-08-26 14:47 ` Theodore Tso
2008-08-26 18:04 ` Theodore Tso
2008-08-26 19:44 ` Andreas Dilger [this message]
2008-08-26 20:00 ` Theodore Tso
2008-08-26 20:47 ` Karel Zak
2008-08-26 23:32 ` Theodore Tso
2008-08-27 0:19 ` Karel Zak
2008-08-27 1:21 ` Theodore Tso
2008-08-27 4:40 ` Theodore Tso
2008-08-27 8:32 ` Karel Zak
2008-08-27 7:26 ` Andreas Dilger
2008-08-27 8:10 ` Karel Zak
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