From: Gabriel de Perthuis <g2p.code-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: blkid always detects FS
Date: Tue, 27 Aug 2013 11:59:54 +0000 (UTC) [thread overview]
Message-ID: <kvi4bp$nvo$2@ger.gmane.org> (raw)
In-Reply-To: 521C71FD.1030704@profihost.ag
On Tue, 27 Aug 2013 11:31:41 +0200, Stefan Priebe - Profihost AG wrote:
> For all my bcache devices blkid returns:
>
> # /sbin/blkid -o udev /dev/sdd1
> ID_FS_UUID=6937d2e6-c8e3-4590-954b-65937fc23a52
> ID_FS_UUID_ENC=6937d2e6-c8e3-4590-954b-65937fc23a52
> ID_FS_TYPE=xfs
>
> What's wrong here? All disks have XFS on top of bcache running.
The udev rules were changed to reject bcache devices with a
pre-existing superblock (xfs in your case).
This was done to fail early when there's a risk of exposing an
unsynchronised backend device, which would be a bad thing™.
You can remove the stray superblocks with wipefs.
next prev parent reply other threads:[~2013-08-27 11:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-27 9:31 blkid always detects FS Stefan Priebe - Profihost AG
2013-08-27 11:59 ` Gabriel de Perthuis [this message]
2013-08-27 13:04 ` Stefan Priebe - Profihost AG
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='kvi4bp$nvo$2@ger.gmane.org' \
--to=g2p.code-re5jqeeqqe8avxtiumwx3w@public.gmane.org \
--cc=linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.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