digital ocean droplet, FreeBSD update from 11.2 to 12.2p4, zpool upgrade and boot sector ?

Tue Mar 2 19:30:12 UTC 2021

On Tue, Mar 02, 2021 at 02:12:29PM -0500, Karl Denninger wrote:
> I have used freebsd-upgrade on DO droplets (including ZFS ones) without 
> a problem, but I did *not* upgrade the pool for exactly this reason -- I 
> have no visibility into where their hypervisor gets the loader and 
> whether I might screw myself.

  My droplet is currently 13.0-BETA4 #93 releng/13.0-n244592-e32bc2536297
with no zpool upgrade issues, but I always shut it down and take an offline
snapshot before I upgrade it just in case it would blow up.

  This has been upgraded in place since whatever was current on 2017-04-10.