From: Maximiliano Sandoval <m.sandoval@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH docs v2 2/2] lvm storage: document TPM snaphshot limitations
Date: Fri, 12 Sep 2025 09:53:40 +0200 [thread overview]
Message-ID: <20250912075341.109185-2-m.sandoval@proxmox.com> (raw)
In-Reply-To: <20250912075341.109185-1-m.sandoval@proxmox.com>
Users who read about this feature unexpectedly run into this limitation.
Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
---
pve-storage-lvm.adoc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/pve-storage-lvm.adoc b/pve-storage-lvm.adoc
index fc2a8ef..6499978 100644
--- a/pve-storage-lvm.adoc
+++ b/pve-storage-lvm.adoc
@@ -75,6 +75,10 @@ The snapshot functionality is managed by the PVE storage system.
+
Enabling or disabling this flag only affects newly created virtual disk volumes.
+NOTE: It is currently not possible to store TPM disk images in qcow2 format
+footnote:[https://bugzilla.proxmox.com/show_bug.cgi?id=4693],
+preventing taking snapshots as volume chain of these images.
+
WARNING: Snapshots as volume chains are currently a **technology preview** in {pve}.
.Configuration Example (`/etc/pve/storage.cfg`)
--
2.47.3
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prev parent reply other threads:[~2025-09-12 7:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 7:53 [pve-devel] [PATCH docs v2 1/2] lvm storage: state snapshot-as-volume-chain is a technology preview Maximiliano Sandoval
2025-09-12 7:53 ` Maximiliano Sandoval [this message]
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