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authorJuan Quintela <quintela@redhat.com>2023-10-18 13:55:12 +0200
committerJuan Quintela <quintela@redhat.com>2023-10-31 08:44:33 +0100
commit66db46ca83b8fb72f089e33be12e1a55b3b17eb6 (patch)
tree4f915df8b2b89a1f22218fe62c7af48b17730a61 /docs/about/deprecated.rst
parent8846b5bfca761d599974482c21fa6da3d3c13a70 (diff)
migration: Deprecate block migration
It is obsolete. It is better to use driver-mirror with NBD instead. CC: Kevin Wolf <kwolf@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Hanna Czenczek <hreitz@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-ID: <20231018115513.2163-5-quintela@redhat.com>
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diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index c1613468e6..35c8d7d1d4 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -486,3 +486,13 @@ Use blockdev-mirror with NBD instead.
As an intermediate step the ``blk`` functionality can be achieved by
setting the ``block`` migration capability to ``true``. But this
capability is also deprecated.
+
+block migration (since 8.2)
+'''''''''''''''''''''''''''
+
+Block migration is too inflexible. It needs to migrate all block
+devices or none.
+
+Please see "QMP invocation for live storage migration with
+``blockdev-mirror`` + NBD" in docs/interop/live-block-operations.rst
+for a detailed explanation.