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
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