Status: New
Owner: ----
New issue 1055 by [email protected]: failed to gnt-backup export
https://code.google.com/p/ganeti/issues/detail?id=1055
What software version are you running? Please provide the output of "gnt-
cluster --version", "gnt-cluster version", and "hspace --version".
gnt-cluster (ganeti v2.4.5) 2.4.5
Software version: 2.4.5
Internode protocol: 2040000
Configuration format: 2040000
OS api version: 20
Export interface: 0
What distribution are you using?
Debian 6.0.10 Squeeze
What steps will reproduce the problem?
1. create an instance with debootstrap (Debian 6.0 for example)
2. add extra disk (LVM)
3. run gnt-backup export
What is the expected output? What do you see instead?
Expected: backup of both disks
Instead: backup of 1 disk (/dev/vda1 -> snapshot/0) is OK but it failed
for LVM (snapshot/1)
Please provide any additional information below.
Here is the link to the original post:
https://groups.google.com/forum/#!topic/ganeti/jiSKPe1UsoA
I will have to do some modifications on a instance. Before doing anything,
I would like to have a backup (just in case something goes wrong).
Unfortunately I can't create a backup.
Here is the command:
gnt-backup export -n cluster1-node1.local test3.local
Thu Mar 26 11:03:08 2015 Shutting down instance test3.local
Thu Mar 26 11:03:24 2015 Creating a snapshot of disk/0 on node
cluster1-node4.local
Thu Mar 26 11:03:25 2015 Creating a snapshot of disk/1 on node
cluster1-node4.local
Thu Mar 26 11:03:25 2015 Starting instance test3.local
Thu Mar 26 11:03:26 2015 Exporting snapshot/0 from cluster1-node4.local
to cluster1-node1.local
Thu Mar 26 11:03:26 2015 Exporting snapshot/1 from cluster1-node4.local
to cluster1-node1.local
Thu Mar 26 11:03:29 2015 snapshot/0 is now listening, starting export
Thu Mar 26 11:03:29 2015 snapshot/1 is now listening, starting export
Thu Mar 26 11:03:31 2015 snapshot/0 is receiving data on
cluster1-node1.local
Thu Mar 26 11:03:31 2015 snapshot/1 is receiving data on
cluster1-node1.local
Thu Mar 26 11:03:31 2015 snapshot/0 is sending data on
cluster1-node4.local
Thu Mar 26 11:03:34 2015 snapshot/1 finished receiving data
Thu Mar 26 11:03:34 2015 - WARNING:
export 'export-2015-03-26_11_03_31-uMzX3j' on cluster1-node4.local failed:
Exited with status 1
Thu Mar 26 11:03:34 2015 snapshot/1 failed to send data: Exited with
status 1 (recent output: Cannot interpret kpartx output and get partition
mapping)
Thu Mar 26 11:03:34 2015 Removing snapshot of disk/1 on node
cluster1-node4.local
Thu Mar 26 11:03:41 2015 snapshot/0 sent 0M, 0.0 MiB/s
Thu Mar 26 11:04:43 2015 snapshot/0 sent 404M, 7.3 MiB/s
Thu Mar 26 11:05:45 2015 snapshot/0 sent 1.2G, 13.5 MiB/s
Thu Mar 26 11:06:46 2015 snapshot/0 sent 1.9G, 12.0 MiB/s
Thu Mar 26 11:07:48 2015 snapshot/0 sent 2.8G, 14.2 MiB/s
Thu Mar 26 11:08:45 2015 snapshot/0 finished receiving data
Thu Mar 26 11:08:45 2015 snapshot/0 finished sending data
Thu Mar 26 11:08:45 2015 Removing snapshot of disk/0 on node
cluster1-node4.local
Thu Mar 26 11:08:46 2015 Finalizing export on cluster1-node1.local
Failure: command execution error:
Export failed, errors in disk export: disk(s) 1
The result of the command "fdisk -l" on my instance test3.local (Debian 6):
Disk /dev/vda: 10.7 GB, 10737418240 bytes
Device Boot Start End Blocks Id System
/dev/vda1 * 1 1305 10482412 83 Linux
..
Disk /dev/vdb: 322.1 GB, 322122547200 bytes
Disk /dev/vdb doesn't contain a valid partition table
...
Disk /dev/dm-0: 322.1 GB, 322118352896 bytes
Disk /dev/dm-0 doesn't contain a valid partition table
We are using LVM and DRBD. The primary node of test3.local is
cluster1-node4.local, and the secondary node is cluster1-node3.local
Result for "gnt-instance list":
test3.local kvm debootstrap+default
cluster1-node4.local running 10.0G
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