diff --git a/source/faq/sharding.txt b/source/faq/sharding.txt index 8cb135e8f58..6ab0fa637fa 100644 --- a/source/faq/sharding.txt +++ b/source/faq/sharding.txt @@ -343,11 +343,16 @@ Consider the following error message: :program:`mongod` procudes this message if, during a :ref:`chunk migration `, the :term:`shard` could not -connect to the :term:`config database` to update chunk information. If +connect to the :term:`config database` to update chunk information at +the end of the migration process. If the shard cannot update the config database after :dbcommand:`moveChunk`, the shard cluster will have an inconsistent -view of all chunks. For this situation, the shard will terminate -itself to prevent data inconsistency. +view of all chunks. For this situation, the :term:`primary` member of +the shard will terminate +itself to prevent data inconsistency. If the config database is +accessible by the :term:`secondary` members, the shard's data will be +accessible after an election but the chunk migration failure will need +to be resolved. If you encounter this issue, contact the `MongoDB User Group `_ or 10gen support to