Re: Querying the most recent snapshot

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On Fri, Sep 22, 2023 at 8:40 AM Dominique Ramaekers
<dominique.ramaekers@xxxxxxxxxx> 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
>    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.


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