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Date:      Wed, 17 Aug 2022 12:05:09 -0400
From:      Ryan Moeller <freqlabs@FreeBSD.org>
To:        freebsd-current@freebsd.org
Subject:   Re: Beadm can't create snapshot
Message-ID:  <2818f3da-3ae2-e6e3-9282-8b62263fb5f3@FreeBSD.org>
In-Reply-To: <01000182ac3b8593-fb381303-5719-4863-8fda-2530efcab31b-000000@email.amazonses.com>
References:  <01000182ac3b8593-fb381303-5719-4863-8fda-2530efcab31b-000000@email.amazonses.com>

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On 8/17/22 10:35 AM, Thomas Laus wrote:
> I attempted to create a ZFS snapshot after upgrading this morning and 
> received this error
>
> # beadm create n257443
> cannot create 'zroot/ROOT/n257443': 'snapshots_changed' is readonly
> #


This looks like a bug in beadm. It must be trying to set the 
snapshots_changed property when cloning the snapshot for the BE, but the 
property is of course readonly.

-Ryan


>
> My version info:
>
> 14.0-CURRENT FreeBSD 14.0-CURRENT #9 main-n257443-f7413197245: Wed Aug 
> 17 08:15:27 EDT 2022
>
> There was not any information in UPDATING about any required ZFS 
> configuration changes required nor any ZFS flags that listed 
> 'snapshots_changed' as something that needed a new value.  There is 
> actually a new snapshot created, but 'beadm list' does not show it and 
> the boot menu does not have it listed.
>
> Tom
>



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