From: Eric Sandeen <sandeen@redhat.com>
To: Theodore Tso <tytso@mit.edu>
Cc: Andreas Dilger <adilger@clusterfs.com>,
Rupesh Thakare <rupesh@clusterfs.com>,
linux-ext4@vger.kernel.org, Kalpak Shah <kalpak@clusterfs.com>
Subject: Re: [RFC] store RAID stride in superblock
Date: Thu, 31 May 2007 17:01:08 -0500 [thread overview]
Message-ID: <465F45A4.9010904@redhat.com> (raw)
In-Reply-To: <20070531213301.GC13660@thunk.org>
Theodore Tso wrote:
> And has anyone investigated where there are
> magic ioctl's or libdevmapper APi's so we can get the RAID parameters
> automatically? If so, patches so that mke2fs can get the information
> automatically (as opposed to forcing the user to have to specify lots
> of annoying options) would be most welcome....
xfsprogs has a libdisk which does this for evms, lvm, md, dm, and xvm(!)
see for example md_get_subvol_stripe() in xfsprogs.
-Eric
next prev parent reply other threads:[~2007-05-31 22:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-12 2:02 [RFC] store RAID stride in superblock Andreas Dilger
2007-05-12 2:21 ` Eric Sandeen
2007-05-12 8:11 ` Eric
2007-05-12 8:33 ` Alex Tomas
2007-05-12 9:32 ` Eric
2007-05-12 9:38 ` Alex Tomas
2007-05-12 16:14 ` Eric
2007-05-12 15:26 ` Andreas Dilger
2007-05-19 2:08 ` Theodore Tso
2007-05-24 11:44 ` Andreas Dilger
2007-05-24 14:15 ` Rupesh Thakare
2007-05-31 16:21 ` Theodore Tso
2007-05-31 20:19 ` Andreas Dilger
2007-05-31 21:02 ` Kalpak Shah
2007-05-31 21:33 ` Theodore Tso
2007-05-31 22:01 ` Eric Sandeen [this message]
2007-05-31 22:03 ` Andreas Dilger
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