[ovirt-users] Snapshot or not?

[Demeter Tibor]

Hi, 
Can somebody help me? 

Thanks. 

T. 

----- 2017. nov.. 13., 21:36, Demeter Tibor <tdemeter at itsmart.hu> írta: 

> 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 at 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 at 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 at storage1 8d815282-6957-41c0-bb3e-6c8f4a23a64b]# ll
> total 13096987560
> -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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