[ovirt-users] Snapshot or not?

[Demeter Tibor]

Hi 
Somebody please? 

T. 

----- 2017. nov.. 15., 7:20, Demeter Tibor <tdemeter at itsmart.hu> írta: 

> 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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