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[8.8] Removes non-backup rollback from upgrade kibana (#189011) #189089

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Jul 24, 2024
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[8.8] Removes non-backup rollback from upgrade kibana (#189011) #189089

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37 changes: 0 additions & 37 deletions docs/setup/upgrade/rollback-migration.asciidoc
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Expand Up @@ -30,40 +30,3 @@ POST _snapshot/my_repository/my_snapshot_2099.05.06/_restore
--------------------------------------------
<1> Exclude all indices and data streams from the restore operation to ensure that only the {kib} system indices included in the {kib} feature state will be restored.
. Start all {kib} instances on the older version you want to rollback to.

[float]
==== (Not supported) Roll back without a backup snapshot

WARNING: Rolling back without a backup snapshot is not supported and will be removed in a future version of {kib}.

. To make sure no {kib} instances are performing an upgrade migration, shut down all {kib} instances.
. {ref}/snapshots-take-snapshot.html[Take a snapshot] that includes the `kibana` feature state. By default, snapshots include the `kibana` feature state.
. Delete the version-specific indices created by the failed upgrade migration.
+
For example, to rollback from a failed upgrade
to v7.12.0, enter:
+
[source,sh]
--------------------------------------------
DELETE /.kibana_7.12.0_*,.kibana_task_manager_7.12.0_*
--------------------------------------------

. Inspect the output of `GET /_cat/aliases`.
+
If the `.kibana` or `.kibana_task_manager` aliases are missing, you must create them manually.
Find the latest index from the output of `GET /_cat/indices` and create the missing alias to point to the latest index.
For example, if the `.kibana` alias is missing, and the latest index is `.kibana_3`, create a new alias using:
+
[source,sh]
--------------------------------------------
POST /.kibana_3/_aliases/.kibana
--------------------------------------------

. To remove the write block from the roll back indices, enter:
+
[source,sh]
--------------------------------------------
PUT /.kibana,.kibana_task_manager/_settings {"index.blocks.write": false}
--------------------------------------------

. Start {kib} on the older version you want to roll back to.
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