Re: [pve-devel] [PATCH SERIES v2 pve-storage/qemu-server] add external qcow2 snapshot support

[Esi Y via pve-devel <pve-devel@lists.proxmox.com>]

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From: Esi Y <esiy0676+proxmox@gmail.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
Subject: Re: [pve-devel] [PATCH SERIES v2 pve-storage/qemu-server] add external qcow2 snapshot support
Date: Tue, 22 Oct 2024 11:51:31 +0200
Message-ID: <CABtLnHrgbiZcT0oMwpuhHhMiJh_nqoM7ZLNKMWYMBXJjkXa5VA@mail.gmail.com>

On Tue, Oct 22, 2024 at 8:39 AM Thomas Lamprecht
<t.lamprecht@proxmox.com> wrote:
> The thing you linked has not only nothing to do with the snapshots of the
> qcow2 format, which are just one of the targets, it also nowhere states
> what you crudely try to imply.

It's 2016 wiki:

"Internal snapshots to images which support internal snapshots (QCOW2
& QED) are not expected to be supported initially."

"By making the snapshot-file argument of the monitor and QMP command
optional, that could be used as a request to make the snapshot
internally instead of to an external file. However, without live block
migration of an internal snapshot, there is no way to make a backup of
an internal snapshot while still leaving the VM running, so this
feature is not planned at the present. For now, the snapshot-file
argument is required, and only external snapshots are implemented."

> wasting developers time that then, among other things, delays actual

I hoped this would bump it up for Alexandre to get a response.


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