On Fri, Sep 22, 2023 at 8:40 AM Dominique Ramaekers
<[email protected]> wrote:
>
> Hi,
>
> A question to avoid using a to elaborate method in finding de most recent
> snapshot of a RBD-image.
>
> So, what would be the preferred way to find the latest snapshot of this image?
>
> root@hvs001:/# rbd snap ls libvirt-pool/CmsrvDOM2-MULTIMEDIA
> SNAPID NAME SIZE PROTECTED TIMESTAMP
> 223 snap_5 435 GiB yes Fri Sep 15 15:33:39 2023
> 262 snap_1 435 GiB yes Mon Sep 18 15:39:36 2023
> 280 snap_3 435 GiB yes Wed Sep 20 15:39:42 2023
>
> I would tend to select the highest snapid. But at some point, the next snapid
> will restart at 1? So maybe not the best idea.
Hi Dominique,
This is the right, and easiest, way to do it. Snap IDs are 64-bit
wide, so it's safe to assume that the wraparound ("restart") would
never happen.
Thanks,
Ilya
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