From: Nikolay Borisov <nborisov@suse.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: where is the parent of a snapshot?
Date: Fri, 9 Jul 2021 12:07:33 +0300 [thread overview]
Message-ID: <b3d67963-7bb5-2fbf-f8a0-d7712925855a@suse.com> (raw)
In-Reply-To: <20210709084523.GB1548@tik.uni-stuttgart.de>
On 9.07.21 г. 11:45, Ulli Horlacher wrote:
> On Fri 2021-07-09 (04:09), Remi Gauvin wrote:
>> On 2021-07-09 3:48 a.m., Ulli Horlacher wrote:
>>
>>>
>>> So, where is subvolume uuid 7f010d85-b761-45e7-8d4a-453f81bb10b2??
>>>
>>
>> btrfs subvolume show /mnt/spool will display what you want. It seems
>> as though the subvolume list does not include the root subvolume.
>
> root@unifex:/# btrfs subvolume show /mnt/spool
> /
> Name: <FS_TREE>
> UUID: 7f010d85-b761-45e7-8d4a-453f81bb10b2
> Parent UUID: -
> Received UUID: -
> (...)
>
> Ahhhh!
> I was using the wrong command!
>
> root@unifex:/# btrfs filesystem show /mnt/spool
> Label: none uuid: 217ccc65-6ab9-44f0-b691-ec9bbcdd9496
> Total devices 2 FS bytes used 209.81GiB
> devid 1 size 14.55TiB used 161.02GiB path /dev/loop0
> devid 2 size 14.55TiB used 100.00GiB path /dev/loop1
>
> The filesystem has different uuid than the root subvolume?!
Yes, it's been like that forever.
next prev parent reply other threads:[~2021-07-09 9:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-08 21:38 where is the parent of a snapshot? Ulli Horlacher
2021-07-09 5:03 ` Andrei Borzenkov
2021-07-09 7:15 ` Ulli Horlacher
2021-07-09 7:21 ` Hugo Mills
2021-07-09 7:37 ` Ulli Horlacher
2021-07-09 7:48 ` Ulli Horlacher
2021-07-09 8:09 ` Remi Gauvin
2021-07-09 8:45 ` Ulli Horlacher
2021-07-09 9:02 ` Remi Gauvin
2021-07-09 9:07 ` Nikolay Borisov [this message]
2021-07-09 10:26 ` Ulli Horlacher
2021-07-09 10:49 ` Nikolay Borisov
2021-07-09 11:29 ` Ulli Horlacher
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