About ZFS Storage Hub

OpenZFS Storage Pool Topologies, RAIDZ3 Parity Sizing & L2ARC Cache Optimization

Engineering knowledgebase for OpenZFS storage pools, RAIDZ1/RAIDZ2/RAIDZ3 vdev configurations, ARC RAM sizing, and scrub status monitoring.

Editorial approach

Articles here are published under the ZFS Storage Hub Editorial byline and are revised when the software, hardware, or vendor documentation they describe changes. Where an article relies on a specification, release note, or vendor document, it cites that source directly so you can check the original rather than take our summary of it.

Recommendations and disclosure

Some pages link to products. The commercial relationships behind those links, if any, are set out in full on the disclosure page. Read that page before acting on a buying recommendation.

Stay current

New articles are announced on the RSS feed. Our privacy policy and terms of use explain how the site handles your data and how to get in touch about a correction.