Keep RAID-Z fault tolerance separate from OpenZFS expansion capacity
Review RAID-Z expansion for its capacity benefit without assuming a higher fault-tolerance level.
Read the guideDSE security knowledge hubSecurity knowledge,
Security knowledge,
without the noise.
Page 9 of the DSE Security Knowledge Hub, with source-backed guidance, checklists, explainers, and playbooks.
DSE-authoredOfficial sourcesReviewed guidance
Search the library DSE post stream
2,626 articlesGuidance and analysis from DSE
Finish replacement reconstruction before closing an OpenZFS disk incident
Follow the replacement through reconstruction and any concluding scrub before closing the incident.
Read the guide
Distinguish an OpenZFS scrub from a resilver when reviewing pool health
Record reconstruction and whole-pool checksum review as distinct OpenZFS health events.
Read the guide
Set the PostgreSQL link-mode upgrade rollback boundary before startup
Decide the independent rollback path before starting a PostgreSQL cluster upgraded with linked files.
Read the guide
Apply PostgreSQL default grants to the role that actually creates objects
Test default grants through the real PostgreSQL migration identity before approving deployment access.
Read the guide
Include external PostgreSQL tablespaces in the cluster dependency inventory
Keep external tablespace paths with the database cluster recovery inventory.
Read the guide
Coordinate PostgreSQL checksum changes across the replication set
Plan offline checksum changes as one coordinated operation across the PostgreSQL replication set.
Read the guide
Include PostgreSQL TOAST and indexes when explaining table storage
Separate heap, wide-value, and index storage before interpreting a PostgreSQL table-size difference.
Read the guide
Refresh PostgreSQL statistics snapshots before diagnosing a stalled counter
Check the statistics session before treating an unchanged PostgreSQL counter as a stalled service.
Read the guide
Choose PostgreSQL reindex locking from the maintenance requirement
Choose an index rebuild from observed need, lock requirements, and a representative rehearsal.
Read the guide