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Message-id: <20080826194445.GN3392@webber.adilger.int> Date: Tue, 26 Aug 2008 13:44:45 -0600 From: Andreas Dilger <adilger@....com> To: Theodore Tso <tytso@....edu> Cc: Karel Zak <kzak@...hat.com>, linux-ext4@...r.kernel.org, Eric Sandeen <sandeen@...hat.com>, mbroz@...hat.com, agk@...hat.com Subject: Re: [PATCH] blkid: optimize dm_device_is_leaf() usage 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. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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