From: Hugo Mills <hugo-lkml@carfax.org.uk>
To: linux-btrfs@vger.kernel.org
Subject: Problem with renaming devices
Date: Mon, 6 Apr 2009 18:41:35 +0100 [thread overview]
Message-ID: <20090406174135.GC27111@vlad.carfax.org.uk> (raw)
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There seems to be some issue over changing the names of the device
that a btrfs filesystem lives on:
# lvcreate scratch -n fstest -L 2G
Logical volume "fstest" created
# mkfs -t btrfs /dev/scratch/fstest
WARNING! - Btrfs v0.18-ge3b0f66 IS EXPERIMENTAL
WARNING! - see http://btrfs.wiki.kernel.org before using
fs created label (null) on /dev/scratch/fs1
nodesize 4096 leafsize 4096 sectorsize 4096 size 2.00GB
Btrfs v0.18-ge3b0f66
# mount /dev/scratch/fstest /mnt
# umount /mnt
# lvrename scratch fstest derek
Renamed "fstest" to "derek" in volume group "scratch"
# mount /dev/scratch/derek /mnt
mount: /dev/mapper/scratch-derek: can't read superblock
# lvrename scratch derek fstest
Renamed "derek" to "fstest" in volume group "scratch"
# mount /dev/scratch/fstest /mnt
[success]
The rename works properly on a completely virgin filesystem, but
not on one that's been mounted and unmounted (as above).
Hugo.
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next reply other threads:[~2009-04-06 17:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-06 17:41 Hugo Mills [this message]
2009-04-07 11:35 ` Problem with renaming devices Chris Mason
[not found] <69e11d1f0911071341n4c0a845ds7bbf5d64b039d8f@mail.gmail.com>
2009-11-07 21:44 ` Gustavo Alves
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