Mailing List Archive

linstor-proxmox-5.1.0
Dear PVE-users,

This is a feature driven release that adds some improvements in the area
of snapshots.

- you can now create snapshots (that was possible since a long time),
but now it is possible to also roll them back. This is limited to the
last snapshot. This is a limitation LINSTOR has because of how ZFS
works/how ZFS snapshots are handled. This might change in the future.
Till then one has to make the destination snapshot the last one (i.e.,
delete the ones in between).

- it is now possible to click the "backup" button of e.g., a running LXC
container and create the backup via a snapshot. That said, while
implementing this we found out that the PVE's built in backup does not
handle disks that are not a multiple of 64K properly, which is very
likely for DRBD devices/disks. This is not a regression, I'd assume
this bug in PVE existed for a long time. For more information see the
upstream bug report[1].

https://www.linbit.com/downloads/connectors/linstor-proxmox-5.1.0.tar.gz
https://github.com/LINBIT/linstor-proxmox/commit/5310292670b6b47fb3f063a2e16dbf0a639f75fe

Regards, rck

[1] https://bugzilla.proxmox.com/show_bug.cgi?id=2811
Re: linstor-proxmox-5.1.0 [ In reply to ]
On Tue, Jun 23, 2020 at 09:07:07AM +0200, Micha? Szamocki wrote:
> Hello,
>
> great news. After installing linstor-proxmox 5.0.2-1 I can finally run vzdump in snapshot.

5.1.0 I assume. Otherwise it shoudl not be possible for running VMs. If
they are not running, then "snapshot" is basically ignored.

> One disadvantage is that after vzdump I had to manually remove resources definition:
> # linstor rd l | grep snap
> | snap_vm-102-disk-1_vzdump | 7032 | DfltRscGrp | ok |
> | snap_vm-103-disk-1_vzdump | 7036 | DfltRscGrp | ok |
> | snap_vm-105-disk-1_vzdump | 7031 | DfltRscGrp | ok |
>
> I'm also curious why (right after vzdump and before removing resource definition)
> # linstor s l
> returns empty list?

Because the actual snapshot on the original resource was removed. Not
removing the temporary resource that was created from the snapshot was a
bug.

> Is there any change to fix this? Or is it fixed already in 5.1.0?

Still talking about 5.1.1, right? Yes, fixed in 5.1.1
https://github.com/LINBIT/linstor-proxmox/blob/master/CHANGELOG.md
https://github.com/LINBIT/linstor-proxmox/commit/17c52f04a578b8de9463e84ed2134679abe05407

> When 5.1.0 will be available in packages.linbit.com?

Still talking about 5.1.1, right? Soon.

Regards, rck
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Re: linstor-proxmox-5.1.0 [ In reply to ]
On Tue, Jun 23, 2020 at 11:29:18AM +0200, Micha? Szamocki wrote:
> Hello,
>
> it seems you did a great job. Thanks.
>
> Could you verify linstor-proxmox 5.1.0 availability in your repository:
> https://packages.linbit.com/proxmox/dists/proxmox-6/drbd-9.0/binary-amd64/Packages
> ?
> I don't see this version.

Oh, yes, they somehow did not make it into the repos, thanks for
reporting. Soon...

Regards, rck
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Re: linstor-proxmox-5.1.2 [ In reply to ]
Dear PVE-users,

Sorry, I forgot to increase the debian/changelog, so some of you might
have gotten the new version under the old name (5.0.2).

A new version 5.1.2 (5.1.0 + bugfix for deleting the temporary snapshot
resource + proper debian/changelog) should be in the public repos soon.

Regards, rck

https://www.linbit.com/downloads/connectors/linstor-proxmox-5.1.2.tar.gz