Proxmove PVE9 zpool upgrade

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croak3569

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Jul 7, 2024
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Upgraded to PVE9 last night.

My setup is Pve running on a 500 gb Nvme (ext4) which has about 5 VMs and 3 LXCs. Two (2) of the VMs include Immich and Plex which store data on the ZFS pools.

Following the upgrade this is what i've noticed; is there anyone who could provide assistance on this i.e. whether I should run the upgrade command.

pool: tank
state: ONLINE
status: Some supported and requested features are not enabled on the pool.
The pool can still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
the pool may no longer be accessible by software that does not support
the features. See zpool-features(7) for details.
scan: scrub repaired 0B in 00:03:11 with 0 errors on Sun Aug 10 00:27:17 2025
config:

NAME STATE READ WRITE CKSUM
tank ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
ata-T-FORCE_480GB_TPBF2311220040101626 ONLINE 0 0 0
ata-T-FORCE_480GB_TPBF2311220040101316 ONLINE 0 0 0

errors: No known data errors
 
if you will do this "zpool upgrade", then login as root an your Server, with host the zfs pool "tank".
But, your ssd "Teamgroup T-Force Vulcan Z 480 GB" has noch PLP or DRam cache.
It might slowdown your sync write of 4 k blocks.
 
If you want to access the ZFS pool with an older version of ZFS kernel modules/software then don't upgrade. Otherwise decide for yourself whether you want access to the new features of the new ZFS version.
 
Hello and thank you for the response; the ZFS pools (its affecting both of them) has only storage media for pics and plex so for now I'll keep it this way.

Still trying to thing what this has happened, as I followed the upgrade instuctions but didn't see any mention about ZFS pools needing upgrades. Anyway I'm a noob and this is all new to me.
 
Thanks for that; was aware of the ZFS update and will read about it a bit more before deciding to do anything about this.
 
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