https://blog.cui.to/en/post/tag/zfs/ Samuel N Cui’s personal blog: technology, projects and life. en-US https://blog.cui.to/en/post/zfs-on-linux-%E6%8F%90%E5%8D%87%E8%AF%BB%E5%8F%96%E6%80%A7%E8%83%BD/ https://blog.cui.to/en/post/zfs-on-linux-%E6%8F%90%E5%8D%87%E8%AF%BB%E5%8F%96%E6%80%A7%E8%83%BD/ Tue, 13 Sep 2022 14:14:08 +0800 Examines unexpectedly low drive utilization during reads from an eight-disk RAIDZ2 pool and describes improving throughput by adjusting ZFS’s zfetch_max_distance prefetch parameter. https://blog.cui.to/en/post/zfs-zed-cpu-keep-full/ https://blog.cui.to/en/post/zfs-zed-cpu-keep-full/ Wed, 14 Mar 2018 15:21:36 +0800 Investigates sustained 100% CPU usage by zed after a kernel and ZFS upgrade, tracing the problem to mismatched userspace and kernel-module versions and resolving it by rebuilding the module.