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Revert "Docs for preventing migrations failing for unknown saved object types"

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This reverts commit 561d0b798b.

Oops shouldn't have pushed this to main directly
This commit is contained in:
Rudolf Meijering 2022-02-10 14:19:12 +01:00
parent 561d0b798b
commit 580d61d990
1 changed files with 0 additions and 23 deletions
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docs/setup/upgrade/upgrade-migrations.asciidoc
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@ -58,29 +58,6 @@ complete the upgrade migration before bringing up the remaining instances.
==== Preventing migration failures
Review the common causes of {kib} upgrade failures and how to prevent them.
[float]
====== Documents were found for unknown saved object types
Migrations will fail if saved objects were found which belong to an unknown
saved object type. This could be caused by writing malformed documents directly
to the Elasticsearch index, or by disabling a plugin that had previously
created a saved object.
We recommend using the <<upgrade-assistant,Upgrade Assistant>> to discover and
remedy any unknown saved object types. In addition to the upgrade assistant,
{kib} version 7.17.0 deployments containing unknown saved object types will
also log the following warning message:
[source,sh]
--------------------------------------------
CHECK_UNKNOWN_DOCUMENTS Upgrades will fail for 8.0+ because documents were found for unknown saved object types. To ensure that upgrades will succeed in the future, either re-enable plugins or delete these documents from the ".kibana_7.17.0_001" index after the current upgrade completes.
--------------------------------------------
If you fail to remedy this, your upgrade to 8.0+ will fail with a message like:
[source,sh]
--------------------------------------------
Unable to complete saved object migrations for the [.kibana] index: Migration failed because documents were found for unknown saved object types. To proceed with the migration, please delete these documents from the ".kibana_7.17.0_001" index.
--------------------------------------------
[float]
===== timeout_exception or receive_timeout_transport_exception
There is a known issue in 7.12.0 for users who tried the {fleet} beta.