Feb 18, 2025 · Check the ZFS pool version from the TrueNAS Shell with zpool get version {poolname}. A version value of - means the ZFS pool is version 5000 (also known as Feature Flags) or later.

Mar 19, 2022 · New ZFS version or feature flags are available for pool Volume. Upgrading pools is a one-time process that can prevent rolling the system back to an earlier TrueNAS version.

Feb 2, 2022 · My server is at TrueNAS-12.0-U8. How to find out what version the ZFS is on? How to update/upgrade the ZFS? Thanks.

Jul 26, 2022 · New ZFS version or feature flags are available for pool ssd_mirror. Upgrading pools is a one-time process that can prevent rolling the system back to an earlier TrueNAS version.

Jan 25, 2018 · 2.5.1. Caveats ¶ Be aware of these caveats before attempting an upgrade to 11.1: Warning: upgrading the ZFS pool can make it impossible to go back to a previous version. For this …

Dec 16, 2013 · In that case your pool is using feature flags (pool version "5000") and you can run " zpool get all <pool> | grep feature@ " to get the list of supported/enabled features.

Feb 9, 2024 · Somewhat similarly my bootup is stuck at ‘ZFS: Loaded module v2.2.2-1, ZFS pool version 5000, ZFS files on version 5’. I’ve tried new installations via .iso of Scale 22.10, 23.10, and …

Nov 30, 2022 · Dear All, I've created my first pool as raidz2 using TrueNAS CORE 13.0. I'd like to have your opinion on the pool settings considering that I will be using the server as home NAS for …

May 5, 2018 · Overview of commands To see the Feature Flags supported by the version of ZFS you're running, use man zpool-features. To view the status of Feature Flags on a pool, use zpool get all …

Mar 3, 2014 · FreeNAS 9.2.1.2-RELEASE Used to throttle my pool via : vfs.zfs.write_limit_shift : 9 vfs.zfs.txg.timeout : 1 vfs.zfs.txg.synctime_ms : 200 With 4 X SLOGs we very seldomly saw > 10 ms …