Boot ZFS pool upgrade

[albertredneck]

I see this in my status reports:

Code:

########## ZPool status report for freenas-boot ##########
  pool: freenas-boot
state: ONLINE
status: Some supported 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(5) for details.
  scan: scrub repaired 0B in 00:00:27 with 0 errors on Thu Dec 31 03:45:27 2020
config:

    NAME          STATE     READ WRITE CKSUM
    freenas-boot  ONLINE       0     0     0
      nvd1p2      ONLINE       0     0     0

errors: No known data errors

But I found this post in the forums:

ZFS Pool Upgrade for the boot volume doesn't work

So in my messages this pops up: WARNING: Oct. 2, 2017, 10:20 p.m. - New feature flags are available for volume freenas-boot. Refer to the "Upgrading a ZFS Pool" section of the User Guide for instructions. I then go to the Volumes, select freenas-boot, it show's the upgrade button. I...

www.truenas.com

So I'd like to have some second opinions about the matter. Should I ignore the warning and just forget about upgrading the pool forever?

 

[Chris Moore]

Should I ignore the warning and just forget about upgrading the pool forever?

The warning:

If you follow the warning from @Ericloewe and do not upgrade the boot pool, you would be safe.
The 'upgrade' is for feature flags, which the boot pool does not really need / use.

 

[Chris Moore]

PS. You might want to submit a bug report if you want to get the straight dope from a developer:

https://jira.ixsystems.com/projects

 

[Dan Tudora]

hello
you say @Chris Moore that and is a resonable point of view (with what @Ericloewe warning)
but IF want to reinvent wheel why not ??

 

[Chris Moore]

hello
you say @Chris Moore that and is a resonable point of view (with what @Ericloewe warning)
but IF want to reinvent wheel why not ??

Just for kicks, I did an upgrade on a boot pool. The system did not crash and burst into flames, but I have not rebooted yet.

I don't see a way to do it from the GUI, so I gave it the old zpool upgrade freenas-boot at the command line.
It didn't give me any errors.

 

[Ericloewe]

The boot pool situation is more nuanced than it used to be. GRUB is stuck with a GPL reimplementation of ZFS from the early feature flag days and doesn't support most of them.
The FreeBSD bootloader is much closer to the main OS, I think even encryption support was being actively worked on.

Of course, if you do upgrade, you'll only really be faced with a problem next time you try to boot...