Hi Punaatua,
A simple google search shows you hit this bug -
https://bugzilla.redhat.com/show_bug.cgi?id=1562093.
Ignore the operation (in the bug) that leads to it, but this is the same
issue
On Sun, Aug 5, 2018 at 9:26 AM, Punaatua PK wrote:
> Hello,
>
> when i tried to attach a snapshot disk into my backupvm. oVirt doesn't
> want to attach it.
> In the engine.log I can see this.
>
> 2018-08-04 19:20:04,472-10 ERROR
> [org.ovirt.engine.core.bll.storage.disk.AttachDiskToVmCommand]
> (default task-33) [646ad7a1-4501-4648-a937-bbee0abaec46] Command
> 'org.ovirt.engine.core.bll.storage.disk.AttachDiskToVmCommand' failed:
> CallableStatementCallback; SQL [{call insertdiskvmelement(?, ?, ?, ?, ?,
> ?)}]; ERROR: duplicate key value violates unique constraint
> "pk_disk_vm_element"
> Detail: Key (vm_id, disk_id)=(78ef239f-3cb3-4eef-921f-f989724009ef,
> c7cef731-e31d-4597-80f1-1f2393cd66ea) already exists.
> Where: SQL statement "INSERT INTO disk_vm_element (
> disk_id,
> vm_id,
> is_boot,
> pass_discard,
> disk_interface,
> is_using_scsi_reservation)
> VALUES (
> v_disk_id,
> v_vm_id,
> v_is_boot,
> v_pass_discard,
> v_disk_interface,
> v_is_using_scsi_reservation)"
> PL/pgSQL function insertdiskvmelement(uuid,uuid,boolean,boolean,character
> varying,boolean) line 3 at SQL statement; nested exception is
> org.postgresql.util.PSQLException: ERROR: duplicate key value violates
> unique constraint "pk_disk_vm_element"
> Detail: Key (vm_id, disk_id)=(78ef239f-3cb3-4eef-921f-f989724009ef,
> c7cef731-e31d-4597-80f1-1f2393cd66ea) already exists.
>
>
> When i SQL the database, the entries is present (and many other). But in
> the webinterface, I can't see them on the backupVM. It's just like ovirt
> didn't delete old entries
>
> engine=# select * from disk_vm_element where vm_id =
> '78ef239f-3cb3-4eef-921f-f989724009ef' and disk_id =
> 'c7cef731-e31d-4597-80f1-1f2393cd66ea' ;
>disk_id|vm_id
>| is_boot | disk_interface | is_using_scsi_reservation | pass_discard
> --+-
> -+-++---
> +--
> c7cef731-e31d-4597-80f1-1f2393cd66ea | 78ef239f-3cb3-4eef-921f-f989724009ef
> | f | VirtIO | f | f
> (1 row)
>
> Do you guys have any idea on how to correct this ?
>
> Is there any function to update / refresh this table ?
> I dont want to delete entries by sql as i don't know the consequences, is
> it safe to delete entries ?
>
> Thank you for your help
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>
--
Raz Tamir
Manager, RHV QE
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