linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Victor Roetman <victory747@gmail.com>
To: linux-btrfs@vger.kernel.org
Subject: Re: btrfs device scan
Date: Thu, 12 May 2011 13:35:17 +0800	[thread overview]
Message-ID: <4DCB7195.30208@gmail.com> (raw)
In-Reply-To: <BljOh9kD1uB@helmut.hullen.de>

On 05/12/2011 12:46 PM, Helmut Hullen wrote:
> Hallo, Victor,
> 
> Du meintest am 12.05.11:
> 
>> I have a couple computers running 2.6.38
>> (Ubuntu Natty 2.6.38-8-generic), and on both of them
>> "btrfs device scan" comes back with nothing other than
>> "failed to read /dev/sr0"
> 
> What tells
> 
>         ls /dev/sd*
>         ls /dev/md*

$ ls /dev/sd*
/dev/sda  /dev/sda1  /dev/sda2  /dev/sda5  /dev/sdb  /dev/sdb1  /dev/sdc
 /dev/sdc1

$ ls /dev/md*
ls: cannot access /dev/md*: No such file or directory

$ btrfs device scan
Scanning for Btrfs filesystems
failed to read /dev/sr0

$ btrfs filesystem show
failed to read /dev/sr0
Label: 'server-backup'  uuid: b927ead9-2e5b-4ee8-b9f4-7209177c49d8
	Total devices 2 FS bytes used 603.17GB
	devid    1 size 1.36TB used 605.28GB path /dev/sdb1
	devid    2 size 1.36TB used 605.26GB path /dev/sdc1

Btrfs Btrfs v0.19
$

  reply	other threads:[~2011-05-12  5:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-12  4:26 btrfs device scan Victor Roetman
2011-05-12  4:46 ` Helmut Hullen
2011-05-12  5:35   ` Victor Roetman [this message]
2011-05-12  6:25     ` Helmut Hullen
2011-05-12  6:04 ` Arne Jansen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4DCB7195.30208@gmail.com \
    --to=victory747@gmail.com \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).