Hi Tibor,
I am not sure I completely understand the scenario.
You have a VM with two disks and then you create a snapshot including the
two disks?
Before creating the snapshot, did the VM recognize the two disks?
On Mon, Nov 13, 2017 at 10:36 PM, Demeter Tibor <tdemeter(a)itsmart.hu> wrote:
Dear Users,
I have a disk of a vm, that is have a snapshot. It is very interesting,
because there are two other disk of that VM, but there are no snapshots of
them.
I found this while I've try to migrate a storage-domain between two
datacenter.
Because, I didn't import that vm from the storage domain, I did an another
similar VM with exactly same sized thin-provisioned disks. I have renamed,
copied to here my originals.
The VM started successfully, but the disk that contain a snapshot did not
recognized by the os. I can see the whole disk as raw. (disk id, format in
ovirt, filenames of images, etc) . I think ovirt don't know that is a
snapshotted image and use as raw. Is it possible?
I don't see any snapshot in snapshots. Also I have try to list snapshots
with qemu-img info and qemu-img snapshot -l , but it does not see any
snapshots in the image.
Really, I don't know how is possible this.
[root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# qemu-img info
5974fd33-af4c-4e3b-aadb-bece6054eb6b
image: 5974fd33-af4c-4e3b-aadb-bece6054eb6b
file format: qcow2
virtual size: 13T (13958643712000 bytes)
disk size: 12T
cluster_size: 65536
backing file: ../8d815282-6957-41c0-bb3e-6c8f4a23a64b/723ad5aa-02f6-
4067-ac75-0ce0a761627f
backing file format: raw
Format specific information:
compat: 0.10
[root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# qemu-img info
723ad5aa-02f6-4067-ac75-0ce0a761627f
image: 723ad5aa-02f6-4067-ac75-0ce0a761627f
file format: raw
virtual size: 2.0T (2147483648000 bytes)
disk size: 244G
[root@storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# ll
total 13096987560 <(309)%20698-7560>
-rw-rw----. 1 36 36 13149448896512 Nov 13 13:42 5974fd33-af4c-4e3b-aadb-
bece6054eb6b
-rw-rw----. 1 36 36 1048576 Nov 13 19:34 5974fd33-af4c-4e3b-aadb-
bece6054eb6b.lease
-rw-r--r--. 1 36 36 262 Nov 13 19:54 5974fd33-af4c-4e3b-aadb-
bece6054eb6b.meta
-rw-rw----. 1 36 36 2147483648000 Jul 8 2016 723ad5aa-02f6-4067-ac75-
0ce0a761627f
-rw-rw----. 1 36 36 1048576 Jul 7 2016 723ad5aa-02f6-4067-ac75-
0ce0a761627f.lease
-rw-r--r--. 1 36 36 335 Nov 13 19:52 723ad5aa-02f6-4067-ac75-
0ce0a761627f.meta
qemu-img snapshot -l 5974fd33-af4c-4e3b-aadb-bece6054eb6b
(nothing)
Because it is a very big (13 TB) disk I can't migrate to an another image,
because I don't have enough free space. So I just would like to use it in
ovirt like in the past.
I have a very old ovirt (3.5)
How can I use this disk?
Thanks in advance,
Regards,
Tibor
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