(DOCS-13722): collMod entries which modify an index cannot be be rolled back

Author: jeff-allen-mongo

source/core/replica-set-rollbacks.txt

@@ -223,6 +223,11 @@ Index Builds
 
 .. include:: /includes/extracts/4.2-rollbacks.rst
 
+Index Operations When :readconcern:`"majority"` Read Concern is Disabled
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. include:: /includes/fact-disable-majority-rc-rollbacks.rst
+
 Size Limitations
 ~~~~~~~~~~~~~~~~
 

source/includes/fact-disable-majority-rc-rollbacks.rst

@@ -0,0 +1,5 @@
+Disabling :readconcern:`"majority"` read concern prevents
+:dbcommand:`collMod` commands which modify an index from
+:ref:`rolling back <replica-set-rollbacks>`. If such an operation needs
+to be rolled back, you must resync the affected nodes with the
+:term:`primary` node.

source/reference/configuration-options.txt

@@ -4101,6 +4101,8 @@ LDAP Parameters
       storage cache pressure from immobilizing the deployment.
 
       .. include:: /includes/extracts/transactions-read-concern-majority.rst
+
+      .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
 
       .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 

source/reference/program/mongod.txt

@@ -1844,6 +1844,8 @@ Replication Options
       storage cache pressure from immobilizing the deployment.
 
       .. include:: /includes/extracts/transactions-read-concern-majority.rst
+
+      .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
 
       .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 
@@ -3354,5 +3356,3 @@ Encryption Key Management Options
    instance rotates the keys and exits.
 
    .. include:: /includes/fact-enterprise-only-admonition.rst
-
-

source/reference/read-concern-majority.txt

@@ -186,3 +186,7 @@ If ``false``, read concern "majority" is disabled.
 .. topic:: Transactions
 
    .. include:: /includes/extracts/transactions-read-concern-majority.rst
+
+.. topic:: Rollback Considerations
+
+   .. include:: /includes/fact-disable-majority-rc-rollbacks.rst

source/release-notes/4.2-upgrade-replica-set.txt

@@ -33,6 +33,8 @@ cluster with a three-member PSA shards.
 
    .. include:: /includes/extracts/transactions-read-concern-majority.rst
 
+   .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
+
    .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 
    When upgraded to 4.2 with read concern "majority" disabled, you can

source/release-notes/4.2-upgrade-sharded-cluster.txt

@@ -32,6 +32,8 @@ cluster with a three-member PSA shards.
 
    .. include:: /includes/extracts/transactions-read-concern-majority.rst
 
+   .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
+
    .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 
    When upgraded to 4.2 with read concern "majority" disabled, you can

source/tutorial/change-sharded-cluster-wiredtiger.txt

@@ -60,6 +60,8 @@ order to disable this read concern.
 
    .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 
+   .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
+
    .. include:: /includes/extracts/transactions-read-concern-majority.rst
 
 For more information on PSA architecture and read concern

source/tutorial/upgrade-revision.txt

@@ -82,6 +82,8 @@ primary-secondary-arbiter (PSA) architecture. However,
 
 - .. include:: /includes/extracts/changestream-disable-rc-majority.rst
 
+- .. include:: /includes/fact-disable-majority-rc-rollbacks.rst
+
 - .. include:: /includes/extracts/transactions-read-concern-majority.rst
 
 For more information, see :ref:`disable-read-concern-majority`.