Clarifying migrate DB commands (BSC#1211729)

SUSE · Jul 10, 2023 · c96ef9c · c96ef9c
1 parent 9c17f5b
commit c96ef9c
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/xml/admin_saltcluster.xml b/xml/admin_saltcluster.xml
@@ -1300,11 +1300,23 @@ devices                   /dev/vdb
         </step>
         <step>
           <para>
-            Migrate the DB device:
+            If the OSD does not have a pre-existing DB device, create new DB with the <command>new-db</command> command:
           </para>
+<screen>[ceph: root@pacific /]ceph-volume lvm new-db --osd-id 0 \
+ --osd-fsid c276d2a4-5578-4847-94c6-8e2e6abf81c4 \
+ --target ceph-c3dc9227-ca3e-49bc-992c-00602cb3eec7/osd-db-b346b9ff-dbbe-40db-a95e-2419ccd31f2c</screen>
+          <para>
+            Then, migrate data using the <option>--from data</option> flag:
+<screen>[ceph: root@pacific /]ceph-volume lvm migrate --osd-id 0 \
+ --osd-fsid c276d2a4-5578-4847-94c6-8e2e6abf81c4 --from data \
+ --target ceph-c3dc9227-ca3e-49bc-992c-00602cb3eec7/osd-db-b346b9ff-dbbe-40db-a95e-2419ccd31f2c</screen>
+          </para>
+          <para>
+          If the OSD does have a pre-existing DB device, migrate the DB using the <option>--from db</option> flag:
 <screen>[ceph: root@pacific /]ceph-volume lvm migrate --osd-id 0 \
  --osd-fsid c276d2a4-5578-4847-94c6-8e2e6abf81c4 --from db \
  --target ceph-c3dc9227-ca3e-49bc-992c-00602cb3eec7/osd-db-b346b9ff-dbbe-40db-a95e-2419ccd31f2c</screen>
+          </para>
         </step>
         <step>
           <para>