ZFS pool - HEALTH fault

[Maxim Filimonov]

>From what I can see, it says here the pool is okay, but it's an older pool, so you might want to "upgrade" it in order to enable the newest features.

November 21, 2018 5:37 PM, "James B. Byrne via freebsd-questions" <freebsd-questions at freebsd.org>
wrote:

> Immediately following an upgrade from FreeBSD-11.1 to 11.2p4 we
> received the following warning. I can see the suggested remedy but I
> need to know why this has happened first. We have previously upgraded
> numerous hosts from FreeBSd-11.1 to 11.2, all of which are using zfs,
> and no other system has reported such a fault,
> 
> ZFS pool - HEALTH fault
> 
> NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP
> HEALTH ALTROOT
> zroot 296G 182G 114G - - 55% 61% 1.00x
> ONLINE -
> 
> pool: zroot
> 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(7) for details.
> 
> scan: scrub repaired 0 in 6h1m with 0 errors on Sun Nov 18 07:01:32
> 2018
> 
> config:
> 
> NAME STATE READ WRITE CKSUM
> zroot ONLINE 0 0 0
> vtbd0p3 ONLINE 0 0 0
> 
> errors: No known data errors
> 
> -- 
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-----
wbr, Maxim V Filimonov <che at bein.link>