Re: Beadm can't create snapshot

From: Ryan Moeller <freqlabs_at_FreeBSD.org>
Date: Sun, 28 Aug 2022 19:28:14 UTC
On 8/17/22 12:16 PM, Ryan Moeller wrote:
>
> On 8/17/22 12:05 PM, Ryan Moeller wrote:
>>
>> 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
>>
>
> I took a closer look at what beadm is doing and this appears to be a 
> bug in the property after all. beadm filters by source "local" or 
> "received" and for "snapshots_changed" the source is "local" when it 
> should be "-" like other readonly properties. We'll get this fixed ASAP.
>
> -Ryan
>

Now fixed as of 
https://github.com/openzfs/zfs/commit/518b4876022eee58b14903da09b99c01b8caa754

-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
>>>
>>
>