ElasticSearch index repository snapshot failses when the snapshot process takes longer than 24 hours to complete.
Problem
Large ElasticSearch Index Snapshot fails to complete and times out in Enterprise Vault 14.2 and higher.
Error Message
Below error is logged in dtrace:
Event ID: 41687 Failed to create the index snapshot in the index snapshot repository 'a59b29c8-4037-40ac-ac01-e27efd4826dc' on the Enterprise Vault index server '1F98BD36953BB1240A8244EDDC47F12A01410000EV01' due to the error 'Elasticsearch 'Snapshot.Create' API failed due to error 'Maximum timeout reached while retrying request. Call: Status code unknown from: PUT /_snapshot/a59b29c8-4037-40ac-ac01-e27efd4826dc/bd59dcfe-7020-446b-a7f3-9323cddbca87?wait_for_completion=true'.'.
Cause
This issue occurs due to the fact that the elastic search index snapshot process has a hardcoded timeout setting of 24 hours.
Solution
This issue has been addressed in Enterprise Vault 14.4.
References
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