Date: Sat, 2 Dec 2023 16:00:36 -0800 From: David Christensen <dpchrist@holgerdanske.com> To: freebsd-questions@freebsd.org Subject: FreeBSD 12.4-R zpool remove dedup devices Message-ID: <fe23211b-cd32-49bc-85c5-37653dd5a039@holgerdanske.com>
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freebsd-questions: I have a FreeBSD machine: 2023-12-02 15:48:22 toor@f2 ~ # freebsd-version -kru ; uname -a 12.4-RELEASE-p6 12.4-RELEASE-p6 12.4-RELEASE-p8 FreeBSD f2.tracy.holgerdanske.com 12.4-RELEASE-p6 FreeBSD 12.4-RELEASE-p6 GENERIC amd64 It has a pool built from three HDD's (data) and two SSD's (dedup): 2023-12-02 14:49:59 toor@f2 ~ # zpool status p2obs pool: p2obs state: ONLINE scan: scrub repaired 0 in 0 days 01:21:31 with 0 errors on Sat Oct 28 22:47:59 2023 config: NAME STATE READ WRITE CKSUM p2obs ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 gpt/p2a.eli ONLINE 0 0 0 gpt/p2d.eli ONLINE 0 0 0 gpt/p2c.eli ONLINE 0 0 0 dedup mirror-1 ONLINE 0 0 0 gpt/dedup2a.eli ONLINE 0 0 0 gpt/dedup2b.eli ONLINE 0 0 0 errors: No known data errors I am attempting to tear down the pool piecemeal and am unable to remove the SSD's: 2023-12-02 14:50:59 toor@f2 ~ # zpool remove p2obs gpt/dedup2a.eli gpt/dedup2b.eli cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool 2023-12-02 14:52:53 toor@f2 ~ # zpool remove p2obs mirror gpt/dedup2a.eli gpt/dedup2b.eli cannot remove mirror: no such device in pool cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool 2023-12-02 14:53:03 toor@f2 ~ # zpool remove p2obs mirror-1 gpt/dedup2a.eli gpt/dedup2b.eli cannot remove mirror-1: invalid config; all top-level vdevs must have the same sector size and not be raidz. cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool 2023-12-02 14:53:09 toor@f2 ~ # zpool remove p2obs dedup gpt/dedup2a.eli gpt/dedup2b.eli cannot remove dedup: no such device in pool cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool 2023-12-02 14:53:26 toor@f2 ~ # zpool remove p2obs dedup mirror gpt/dedup2a.eli gpt/dedup2b.eli cannot remove dedup: no such device in pool cannot remove mirror: no such device in pool cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool 2023-12-02 14:53:35 toor@f2 ~ # zpool remove p2obs dedup mirror-1 gpt/dedup2a.eli gpt/dedup2b.eli cannot remove dedup: no such device in pool cannot remove mirror-1: invalid config; all top-level vdevs must have the same sector size and not be raidz. cannot remove gpt/dedup2a.eli: operation not supported on this type of pool cannot remove gpt/dedup2b.eli: operation not supported on this type of pool STFW I am starting to think that FreeBSD 12.4-R uses ZFS-On-Linux, which only recently added dedup devices, currently does not support removing dedup devices, my only option is to destroy the pool (?). Comments or suggestions? TIA, David
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