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QEMU was not designed to use internal snapshots "by default":
https://wiki.qemu.org/Features/Snapshots
Discussions on this are discouraged, to say the least:
https://forum.proxmox.com/threads/blockdev-snapshot-sync-to-snapshot-a-raw-file.38188/#post-712825
On Sun, Oct 20, 2024 at 7:39 PM Roland privat via pve-devel
<pve-devel@lists.proxmox.com> wrote:
>
>
>
>
> ---------- Forwarded message ----------
> From: Roland privat <devz...@web.de>
> To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
> Cc:
> Bcc:
> Date: Sun, 20 Oct 2024 19:34:05 +0200
> Subject: Re: [pve-devel] [PATCH SERIES v2 pve-storage/qemu-server] add
> external qcow2 snapshot support
> i never understood, why qemu has inline snapshot by default. from an admin
> perspective it simply sucks. for example you won‘t know when something goes
> wrong on removal, how much orphaned data is being left. furthermore, the
> freezes on removal are a pita for us and we often avoid live snapshot removal
> because of this. this is one of the reasons why i think , proxmox isn‘t on
> the same enterprise level like vmware.
>
> so, i strongly vote for inclusion of this feature and will happily test it,
> when available
>
> regards
> roland
>
> > Am 20.10.2024 um 15:04 schrieb DERUMIER, Alexandre via pve-devel
> > <pve-devel@lists.proxmox.com>:
> >
> >
> > <mime-attachment>
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> ---------- Forwarded message ----------
> From: Roland privat via pve-devel <pve-devel@lists.proxmox.com>
> To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>
> Cc: Roland privat <devz...@web.de>
> Bcc:
> Date: Sun, 20 Oct 2024 19:34:05 +0200
> Subject: Re: [pve-devel] [PATCH SERIES v2 pve-storage/qemu-server] add
> external qcow2 snapshot support
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