Hi everyone,
Whenever I boot up my TrueNAS system I get two error messages saying:
1:
2:
So I need to upgrade the pool that way it doesn't go offline?
My main storage pool goes offline, whenever this message appears.
When I go to storage > pools: it also says offline:
I could not find a GUI button to upgrade the pool. So I tried using the shell.
I tried searching the forum for this particular ZFS upgrade error and found these commands.
www.truenas.com
I tried these commands but nothing really happened.
result:
I also tried:
result:
Also tried:
Result:
The only solution I could find is rebooting the system, and then the pool shows up fine. But whenever I shut it down, and boot it up again. The error message reappears and the pool is offline. It’s very inconvenient to boot it up twice for the machine to recognise the pool.
I am coming from a home windows server. I’m new to trueNAS but I’m completely lost. Can anyone help me? Maybe the problem is not the ZFS upgrade but something else?
Sincerely,
Zerobizzy
Info for context:
Platform: Generic
Version: TrueNAS-13.0-U3.1
Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz
Memory: 15.6GiB
Whenever I boot up my TrueNAS system I get two error messages saying:
1:
CRITICAL
Pool Archive15TB state is OFFLINE: None
2022-12-18 02:35:46 (America/Los_Angeles)Dismiss
2:
New ZFS version or feature flags are available for pool(s) Archive15TB. Upgrading pools is a one-time process that can prevent rolling the system back to an earlier TrueNAS version. It is recommended to read the TrueNAS release notes and confirm you need the new ZFS feature flags before upgrading a pool.
2022-12-18 02:35:45 (America/Los_Angeles)
So I need to upgrade the pool that way it doesn't go offline?
My main storage pool goes offline, whenever this message appears.
When I go to storage > pools: it also says offline:
I could not find a GUI button to upgrade the pool. So I tried using the shell.
I tried searching the forum for this particular ZFS upgrade error and found these commands.
How to update the ZFS?
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.

I tried these commands but nothing really happened.
zpool upgrade
result:
This system supports ZFS pool feature flags.
All pools are formatted using feature flags.
Every feature flags pool has all supported and requested features enabled.
I also tried:
root@truenas[~]# zpool upgrade -v
result:
This system supports ZFS pool feature flags.
The following features are supported:
VER DESCRIPTION
--- --------------------------------------------------------
1 Initial ZFS version
2 Ditto blocks (replicated metadata)
3 Hot spares and double parity RAID-Z
4 zpool history
5 Compression using the gzip algorithm
6 bootfs pool property
7 Separate intent log devices
8 Delegated administration
9 refquota and refreservation properties
10 Cache devices
11 Improved scrub performance
12 Snapshot properties
13 snapused property
14 passthrough-x aclinherit
15 user/group space accounting
16 stmf property support
17 Triple-parity RAID-Z
18 Snapshot user holds
19 Log device removal
20 Compression using zle (zero-length encoding)
21 Deduplication
22 Received properties
23 Slim ZIL
24 System attributes
25 Improved scrub stats
26 Improved snapshot delete
27 Improved snapshot creation performance
28 Multiple vdev replacements
For more information on a particular version, including supported releases,
see the ZFS Administration Guide.
Also tried:
root@truenas[~]# zpool upgrade -a
Result:
This system supports ZFS pool feature flags.
All pools are already formatted using feature flags.
Every feature flags pool already has all supported and requested features enabled.
root@truenas[~]# zpool status
root@truenas[~]# zpool status
pool: boot-pool
state: ONLINE
scan: scrub repaired 0B in 00:00:03 with 0 errors on Tue Dec 13 03:45:03 2022
config:
NAME STATE READ WRITE CKSUM
boot-pool ONLINE 0 0 0
ada0p2 ONLINE 0 0 0
errors: No known data errors
The only solution I could find is rebooting the system, and then the pool shows up fine. But whenever I shut it down, and boot it up again. The error message reappears and the pool is offline. It’s very inconvenient to boot it up twice for the machine to recognise the pool.
I am coming from a home windows server. I’m new to trueNAS but I’m completely lost. Can anyone help me? Maybe the problem is not the ZFS upgrade but something else?
Sincerely,
Zerobizzy
Info for context:
Platform: Generic
Version: TrueNAS-13.0-U3.1
Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz
Memory: 15.6GiB