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OpenZFS 2.4-rc1 Brings Linux 6.16 Compatibility, Better Encryption Performance With AVX2

The first release candidate of OpenZFS 2.4 is now available for testing of this ZFS file-system implementation for Linux and FreeBSD systems.

The first release candidate of OpenZFS 2.4 is now available for testing of this ZFS file-system implementation for Linux and FreeBSD systems. OpenZFS 2.4 is bringing better encryption performance by leveraging Advanced Vector Extensions 2 (AVX2) for AES-GCM, allow setting default user/group/project quotas, new deduplication optimizations, unified allocation throttling, and other enhancements. Key Features in OpenZFS 2.4.0: - Quotas: Allow setting default user/group/project quotas - Uncached IO: Direct IO fallback to a light-weight uncached IO when unaligned - Unified allocation throttling: A new algorithm designed to reduce vdev fragmentation - Better encryption performance using AVX2 for AES-GCM - Allow ZIL on special vdevs when available - Extend special_small_blocks to land ZVOL writes on special vdevs (#14876), and allow non-power of two values - Add zfs rewrite -P which preserves logical birth time when possible to minimize incremental stream size - Add -a|--all option which scrubs, trims, or initializes all imported pools - Add zpool scrub -S -E to scrub specific time ranges - Release topology restrictions on special/dedup vdevs - Multiple gang blocks improvements and fixes - New dedup optimizations and fixes Downloads and more details on OpenZFS 2.4-rc1 via GitHub.

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