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From: Ulli Horlacher <framstag@rus.uni-stuttgart.de>
To: linux-btrfs@vger.kernel.org
Subject: Re: find snapshot parent?
Date: Mon, 8 Jul 2019 00:18:37 +0200	[thread overview]
Message-ID: <20190707221837.GA15143@tik.uni-stuttgart.de> (raw)
In-Reply-To: <8bc57b91-fc13-979b-a25a-b7a16094d09a@suse.com>

On Sun 2019-07-07 (12:12), Nikolay Borisov wrote:


> root@ubuntu-virtual:~# mount /dev/vdc /media/scratch/
> 
> root@ubuntu-virtual:~# btrfs subvol show /media/scratch/      
> /
> 	Name: 			<FS_TREE>
> 	UUID: 			80633e8d-fa8a-4922-ac0c-b46d7b2e2d81
> 	Parent UUID: 		-
> 	Received UUID: 		-
> 	Creation time: 		2019-07-07 09:09:15 +0000
> 	Subvolume ID: 		5
> 	Generation: 		8
> 	Gen at creation: 	0
> 	Parent ID: 		0
> 	Top level ID: 		0
> 	Flags: 			-
> 	Snapshot(s):
> 				snap1
> 				snap-ro


root@fex:~# lsb_release -d
Description:    Ubuntu 18.04.2 LTS

root@fex:~# btrfs version
btrfs-progs v4.15.1

root@fex:~# mount|grep /local
/dev/sdd1 on /local type btrfs (rw,relatime,space_cache,user_subvol_rm_allowed,subvolid=5,subvol=/)

root@fex:~# btrfs subvolume show /local
/
        Name:                   <FS_TREE>
        UUID:                   -
        Parent UUID:            -
        Received UUID:          -
        Creation time:          -
        Subvolume ID:           5
        Generation:             1633457
        Gen at creation:        0
        Parent ID:              0
        Top level ID:           0
        Flags:                  -

No UUID!

-- 
Ullrich Horlacher              Server und Virtualisierung
Rechenzentrum TIK         
Universitaet Stuttgart         E-Mail: horlacher@tik.uni-stuttgart.de
Allmandring 30a                Tel:    ++49-711-68565868
70569 Stuttgart (Germany)      WWW:    http://www.tik.uni-stuttgart.de/
REF:<8bc57b91-fc13-979b-a25a-b7a16094d09a@suse.com>

  reply	other threads:[~2019-07-07 22:18 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-06 15:53 find snapshot parent? Ulli Horlacher
2019-07-06 16:57 ` Nikolay Borisov
2019-07-06 20:43   ` Ulli Horlacher
2019-07-07  5:27     ` Andrei Borzenkov
2019-07-07  6:43     ` Nikolay Borisov
2019-07-07  7:37       ` Andrei Borzenkov
2019-07-07  9:12         ` Nikolay Borisov
2019-07-07 22:18           ` Ulli Horlacher [this message]
2019-07-08  4:05             ` Andrei Borzenkov
2019-07-06 23:24 ` Ulli Horlacher

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