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  1. Documentation
  2. DOCS-5712

Online backup of OpsManager and fsyncLock

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      The documentation page for backup up OpsManager in the online manual, specifically the section 'Online Backup' instructs the user to use 'fsyncLock' before starting the backup. This recommendation however applies only to MMAPv1. If the OpsManager databases are using WiredTiger as the storage engine the fsyncLock command cannot guarantee that the storage layer is quiesced. See this link for details. As such 'Online Backup' should have a disclaimer, stating that it is only appropriate if the databases are using MMAPv1.

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            bgrabar Bob Grabar
            ronan.bohan@mongodb.com Ronan Bohan
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              Created:
              Updated:
              Resolved:
              8 years, 34 weeks ago