What does sudo zpool status -v and sudo zpool import return?
root@snuwtrpro[/home/truenas_admin]# zpool status -v
pool: boot-pool
state: ONLINE
scan: scrub repaired 0B in 00:00:40 with 0 errors on Sat Jan 24 03:45:41 2026
config:
NAME STATE READ WRITE CKSUM
boot-pool ONLINE 0 0 0
nvme1n1p3 ONLINE 0 0 0
errors: No known data errors
pool: hdd
state: ONLINE
scan: scrub repaired 0B in 07:41:47 with 0 errors on Sun Jan 18 07:41:48 2026
config:
NAME STATE READ WRITE CKSUM
hdd ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
d2a71bc8-0f00-46f1-b0d1-731690635831 ONLINE 0 0 0
664a93b7-31b3-49e5-88e2-af0602551cc5 ONLINE 0 0 0
errors: No known data errors
pool: ssd
state: ONLINE
scan: scrub repaired 0B in 00:01:35 with 0 errors on Sun Jan 18 00:01:36 2026
config:
NAME STATE READ WRITE CKSUM
ssd ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
632ceaf4-5d0e-4f1d-a58d-4f64db866e74 ONLINE 0 0 0
604bafa9-cc5f-4a30-9993-290ddf5d3242 ONLINE 0 0 0
errors: No known data errors
root@snuwtrpro[/home/truenas_admin]# sudo zpool import
no pools available to import
I had to do
zpool import -d /dev/disk/by-partuuid oldname newname
zpool export newname
zpool import -d /dev/disk/by-id -R /mnt newname
zpool export newname
to get it to show up in the truenas GUI with the correct mount point