The safety workaround (refusing lxc-snapshot of lvm-backed containers)
is committed in git.
** Changed in: lxc (Ubuntu)
Status: Confirmed => Fix Committed
** Also affects: lxc (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: lxc (Ubuntu Trusty)
Status: New => Confirmed
** Changed in: lxc (Ubuntu Trusty)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1354375
Title:
lxc-snapshot destroys container
Status in “lxc” package in Ubuntu:
Fix Committed
Status in “lxc” source package in Trusty:
Confirmed
Bug description:
Was following instructions for lxc-snapshots at:
https://help.ubuntu.com/lts/serverguide/lxc.html
The problem I am reporting is that when I create a snapshot with:
lxc-snapshot -n c1
which creates snap0 (snap1...snapN, etc.), after I try restore the
snapshot with:
lxc-snapshot -r snap0 -n c1
lxc seems to happily remove snap0 and c1, thus destroying the entire
container. I would paste the output, but it was via a vbox vm and
wasn't easy to copy/paste the text, so I have attached a screenshot
instead.
The release was 14.0.4.1 LTS with lxc 1.0.5-0ubuntu0.1. What I
expected was for the snapshot to first remove c1 and then rename snap0
to c1. Seeing as how the c1 container was a LVM snapshot I can see
that removing c1 (the origin of snap0) might be the reason for it
killing snap0 and c1, but it seems a little unpexted, especially if
this had been more than a test.
Is this a real bug?
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lxc 1.0.5-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
Date: Fri Aug 8 05:58:41 2014
InstallationDate: Installed on 2014-08-07 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64
(20140416.2)
ProcEnviron:
LANGUAGE=en_CA:en
TERM=linux
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: lxc
UpgradeStatus: No upgrade log present (probably fresh install)
defaults.conf:
lxc.network.type = veth
lxc.network.link = lxcbr0
lxc.network.flags = up
lxc.network.hwaddr = 00:16:3e:xx:xx:xx
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