From: anand jain <anand.jain@oracle.com>
To: Ulli Horlacher <framstag@rus.uni-stuttgart.de>,
linux-btrfs@vger.kernel.org
Subject: Re: RAID0 wrong (raw) device?
Date: Thu, 13 Aug 2015 15:34:37 +0800 [thread overview]
Message-ID: <55CC488D.4020203@oracle.com> (raw)
In-Reply-To: <20150812130758.GA26529@rus.uni-stuttgart.de>
> root@toy02:~# df -T /data
> Filesystem Type 1K-blocks Used Available Use% Mounted on
> /dev/sdb btrfs 3906909856 140031696 3765056176 4% /data
>
> root@toy02:~# btrfs filesystem show /data
> Label: data uuid: 411af13f-6cae-4f03-99dc-5941acb3135b
> Total devices 2 FS bytes used 129.81GiB
> devid 3 size 1.82TiB used 67.03GiB path /dev/drbd2
> devid 4 size 1.82TiB used 67.03GiB path /dev/sdb
>
> Btrfs v3.12
>
> ==> btrfs shows the wrong (raw) device /dev/sdb instead of /dev/drbd3 !
Don't be too alarmed by that, progs do a bit of user land fabrication
(wrong). kernel may /may-not be using sdb. try -m option.
just in case if it didn't, Then use mount -o devices / btrfs dev scan
<dev> option to provide the desired dev path to the kernel.
Thanks, Anand
next prev parent reply other threads:[~2015-08-13 7:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 13:07 RAID0 wrong (raw) device? Ulli Horlacher
2015-08-12 17:03 ` Chris Murphy
2015-08-12 17:43 ` Hugo Mills
2015-08-12 17:53 ` Chris Murphy
2015-08-13 12:11 ` Ulli Horlacher
2015-08-13 7:34 ` anand jain [this message]
2015-08-13 12:02 ` Ulli Horlacher
2015-08-13 14:55 ` Ulli Horlacher
2015-08-13 16:24 ` Anand Jain
2015-08-14 7:32 ` Ulli Horlacher
2015-08-15 0:02 ` Anand Jain
2015-08-15 10:09 ` Ulli Horlacher
2015-08-13 11:44 ` Austin S Hemmelgarn
2015-08-13 12:06 ` Ulli Horlacher
2015-08-13 22:32 ` Gareth Pye
2015-08-13 22:54 ` Hugo Mills
2015-08-13 23:29 ` Gareth Pye
2015-08-14 11:26 ` Austin S Hemmelgarn
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