Oracle Solaris ZFS File System (MOSC)

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Scheduled Pool Scrubs in Oracle Solaris ZFS

in Oracle Solaris ZFS File System (MOSC)

Recommended best practices for protecting your data with ZFS include using ECC memory, configuring pool redundancy and hot spares, and always having current backups of critical data.

Because storage devices can fail over time, pool scrubs are also recommended to identify and resolve data inconsistencies caused by failing devices or other issues.

Additionally:

  • Data inconsistencies can occur over time. The earlier these issues are identified and resolved, overall data availability can be increased.
  • Disks with bad data blocks could be identified sooner during a routine pool scrub and can be resolved before the risk of multiple disk failures occur.

The Oracle Solaris 11.4 release includes a new pool property for scheduling a pool scrub and also introduces a read-only property for monitoring when the last pool scrub occurred.

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