Bug#673000: lvm2: enabling dm-thin is currently dangerous
Jarek Kamiński
jarek at vilo.eu.org
Mon Jun 4 12:18:03 UTC 2012
Hi.
Building lvm --with-thin=internal is currently dangerous. Trying to open
thin volume I get:
#v+
[jarek at rocket ~]% sudo lvchange -ay thinpool
/sbin/thin_check: execvp failed: No such file or directory
Check of thin pool vg0/thinpool failed (status:2). Manual repair required (thin_dump --repair /dev/mapper/vg0-thinpool_tmeta)!
[jarek at rocket ~] {5}%
#v-
Unfortunately, thin_check and thin_dump are not packaged in Debian.
I believe, that before they are, either --with-thin should be disabled,
or some big fat warning about locking data should be displayed.
Building thin-provisioning-tools [1] and installing thin_check into
/sbin/ allowed me to open the volume.
[1] https://github.com/downloads/jthornber/thin-provisioning-tools/thin-provisioning-tools-v0.1.5.tar.bz2
--
cheers(); // Jarek
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