doc: update the documentation to mention the new default behaviour of…

… `migration.stateful` Signed-off-by: Gabriel Mougard <[email protected]>
canonical · Feb 26, 2024 · 307bb7e · 307bb7e
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diff --git a/doc/.wordlist.txt b/doc/.wordlist.txt
@@ -26,7 +26,7 @@ BPF
 Btrfs
 bugfix
 bugfixes
-Centos
+CentOS
 Ceph
 CephFS
 Ceph's
@@ -303,6 +303,7 @@ VDPA
 VFS
 VFs
 VirtIO
+virtiofs
 virtualize
 virtualized
 VLAN

diff --git a/doc/howto/move_instances.md b/doc/howto/move_instances.md
@@ -63,6 +63,10 @@ To do so, ensure the following configuration:
 If you are using a shared storage pool like Ceph RBD to back your instance, you don't need to set [`size.state`](devices-disk) to perform live migration.
 ```
 
+```{note}
+When {config:option}`instance-migration:migration.stateful` is enabled in LXD, virtiofs shares are disabled, and files are only shared via the 9P protocol. Consequently, guest OSes lacking 9P support, such as CentOS 8, cannot share files with the host unless stateful migration is disabled. Additionally, the `lxd-agent` will not function for these guests under these conditions.
+```
+
 (live-migration-containers)=
 ### Live migration for containers
-Original file line number
+Diff line change
@@ Expand Up / @@ -26,7 +26,7 @@ BPF @@
     Btrfs
     bugfix
     bugfixes
-    Centos
+    CentOS
     Ceph
     CephFS
     Ceph's
@@ Expand Down Expand Up / @@ -303,6 +303,7 @@ VDPA @@
     VFS
     VFs
     VirtIO
+    virtiofs
     virtualize
     virtualized
     VLAN
@@ Expand Down @@