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Os Edwards
This document provides an overview of the ZFS file system and storage pool technology. It discusses key features like copy-on-write transactions, variable block sizes, checksums, pooling of storage, mirroring and RAIDZ configurations. It notes that ZFS assumes hardware is unreliable and can lie about space and performance. The document also summarizes ZFS capabilities like snapshots, cloning, compression and quotas, as well as advantages like efficient backups and flexibility. It highlights areas to optimize like the adaptive replacement cache and separate intent logs. The best feature is cited as ease of administration while the worst is assuming hardware is unreliable.
