Hi Shani,
thank you for helping me with your reply,
i juste make a little mistake on explanation. In fact it's the snapshot does 
not exist anymore. This is the disk(s) relative to her wich still exist, and 
perhaps LVM volume.
So can i delete manually this disk in database? what about the lvm volume? Is 
it better to recreate disk sync data and destroy old one?



----- Mail original -----
De: "Shani Leviim" <slev...@redhat.com>
À: "Lionel Caignec" <caig...@cines.fr>
Cc: "users" <users@ovirt.org>
Envoyé: Dimanche 25 Février 2018 14:26:41
Objet: Re: [ovirt-users] Ghost Snapshot Disk

Hi Lionel,

You can try to delete that snapshot directly from the database.

In case of using psql  [1], once you've logged in to your database, you can
run this query:
$ select * from snapshots where vm_id = '<your_vm_id>';
This one would list the snapshots associated with a VM by its id.

In case you don't have you vm_id, you can locate it by querying:
$ select * from vms where vm_name = 'nil';
This one would show you some details about a VM by its name (including the
vm's id).

Once you've found the relevant snapshot, you can delete it by running:
$ delete from snapshots where snapshot_id = '<your_snapshot_id>';
This one would delete the desired snapshot from the database.

Since it's a delete operation, I would suggest confirming the ids before
executing it.

Hope you've found it useful!

[1]
https://www.ovirt.org/documentation/install-guide/appe-Preparing_a_Remote_PostgreSQL_Database_for_Use_with_the_oVirt_Engine/


*Regards,*

*Shani Leviim*

On Fri, Feb 23, 2018 at 9:25 AM, Lionel Caignec <caig...@cines.fr> wrote:

> Hi,
>
> i've a problem with snapshot. On one VM i've a "snapshot" ghost without
> name or uuid, only information is size (see attachment). In the snapshot
> tab there is no trace about this disk.
>
> In database (table images) i found this :
>   f242cc9a-56c1-4ae4-aef0-f75eb01f74b1 | 2018-01-17 22:02:00+01 |
> 2748779069440 | 00000000-0000-0000-0000-000000000000 |
> 00000000-0000-0000-0000-000000000000 |           4 | 2018-01-18
> 22:01:20.5+01   | 0dd2090c-3491-4fa1-98c3-54ae88be793c
>  |           2 |             4 | 17e26476-cecb-441d-a5f7-46ab3ef387ee |
> 2018-01-17 22:01:29.663334+01 | 2018-01-19 08:40:14.345229+01 | f      |
>                  1 |           2
>  1c7650fa-542b-4ec2-83a1-d2c1c31be5fd | 2018-01-17 22:02:03+01 |
> 5368709120000 | 00000000-0000-0000-0000-000000000000 |
> 00000000-0000-0000-0000-000000000000 |           4 | 2018-01-18
> 22:01:20.84+01  | 0dd2090c-3491-4fa1-98c3-54ae88be793c
>  |           2 |             4 | bf834a91-c69f-4d2c-b639-116ed58296d8 |
> 2018-01-17 22:01:29.836133+01 | 2018-01-19 08:40:19.083508+01 | f      |
>                  1 |           2
>  8614b21f-c0de-40f2-b4fb-e5cf193b0743 | 2018-02-09 23:00:44+01 |
> 5368709120000 | 00000000-0000-0000-0000-000000000000 |
> 00000000-0000-0000-0000-000000000000 |           4 | 2018-02-16
> 23:00:02.855+01 | 390175dc-baf4-4831-936a-5ea68fa4c969
>
>
>  But i does not know which line is my disk. Is it possible to delete
> directly into database?
>  Or is it better to dump my disk to another new and delete the "corrupted
> one"?
>
>  Another thing, when i try to move the disk to another storage domain i
> always get "uncaght exeption occured ..." and no error in engine.log.
>
>
>  Thank you for helping.
>
> --
> Lionel Caignec
>
> _______________________________________________
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
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