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Clarifying migrate DB commands (BSC#1211729) #1065

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Jul 13, 2023
Merged

Clarifying migrate DB commands (BSC#1211729) #1065

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c96ef9c
Clarifying migrate DB commands (BSC#1211729)
asettle Jul 10, 2023
57f0489
Update admin_saltcluster.xml
asettle Jul 13, 2023
3db4c81
Apply suggestions from code review
asettle Jul 13, 2023
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14 changes: 13 additions & 1 deletion xml/admin_saltcluster.xml
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Expand Up @@ -1300,7 +1300,19 @@ 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:
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</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:
</para>
<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>
If the OSD does have a pre-existing DB device, migrate the DB using the <option>--from db</option> flag:
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</para>
<screen>[ceph: root@pacific /]ceph-volume lvm migrate --osd-id 0 \
--osd-fsid c276d2a4-5578-4847-94c6-8e2e6abf81c4 --from db \
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