Distinguish an OpenZFS scrub from a resilver when reviewing pool health
Record reconstruction and whole-pool checksum review as distinct OpenZFS health events.
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Set the PostgreSQL link-mode upgrade rollback boundary before startup
Decide the independent rollback path before starting a PostgreSQL cluster upgraded with linked files.
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Apply PostgreSQL default grants to the role that actually creates objects
Test default grants through the real PostgreSQL migration identity before approving deployment access.
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Include external PostgreSQL tablespaces in the cluster dependency inventory
Keep external tablespace paths with the database cluster recovery inventory.
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Coordinate PostgreSQL checksum changes across the replication set
Plan offline checksum changes as one coordinated operation across the PostgreSQL replication set.
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Include PostgreSQL TOAST and indexes when explaining table storage
Separate heap, wide-value, and index storage before interpreting a PostgreSQL table-size difference.
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Refresh PostgreSQL statistics snapshots before diagnosing a stalled counter
Check the statistics session before treating an unchanged PostgreSQL counter as a stalled service.
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Choose PostgreSQL reindex locking from the maintenance requirement
Choose an index rebuild from observed need, lock requirements, and a representative rehearsal.
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Monitor PostgreSQL transaction age even on quiet tables
Review transaction age as well as space when supervising PostgreSQL vacuum work.
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Account for publisher slots when retiring a PostgreSQL subscription
Keep publisher-slot cleanup owned and visible when a retired subscriber cannot reach its source.
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