From: Chris Mason <chris.mason@oracle.com>
To: Yan Zheng <yanzheng@21cn.com>
Cc: Roland <devzero@web.de>, yanhai zhu <zhu.yanhai@gmail.com>,
linux-btrfs@vger.kernel.org
Subject: Re: multiple device usage
Date: Tue, 30 Dec 2008 16:43:01 -0500 [thread overview]
Message-ID: <1230673381.4229.7.camel@think.oraclecorp.com> (raw)
In-Reply-To: <3d0408630812290435l7b4739dbi88b8b596df60baab@mail.gmail.com>
On Mon, 2008-12-29 at 20:35 +0800, Yan Zheng wrote:
> 2008/12/29 Roland <devzero@web.de>:
> >>> so i can do btrfs-vol -r /dev/sdb while it`s being mounted, pull the disk
> >>> ,
> >>> replace it with a bigger one, rescan-scsi-bus, mkfs.btrfs the new disk
> >>> and
> >>
> >> ~~~~~~~~~~~~~~~~~~~~~~~
> >> This step will fail, you
> >> will
> >> get a "/dev/sdb is mounted" by mkfs.btrfs, but for other slots it's ok.
> >
> > isn`t this sort of a design issue then?
> > no way to work around this ?
> >
>
> No, this is a (easy to fix) bug.
Right, the check for a mounted FS came after we made the device
add/removal work ;) mkfs.btrfs should be changed to do the mounted FS
check differently.
-chris
next prev parent reply other threads:[~2008-12-30 21:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-26 23:15 multiple device usage devzero
2008-12-27 2:44 ` Yan Zheng
2008-12-27 14:12 ` Roland
2008-12-28 13:26 ` yanhai zhu
2008-12-29 10:49 ` Stephan von Krawczynski
2008-12-29 12:31 ` Roland
2008-12-29 12:35 ` Yan Zheng
2008-12-30 21:43 ` Chris Mason [this message]
2008-12-27 6:45 ` Chris Samuel
2008-12-29 11:32 ` Chris Samuel
2008-12-29 12:33 ` Yan Zheng
2008-12-29 12:52 ` Chris Samuel
2008-12-29 15:16 ` Yan Zheng
2008-12-30 21:25 ` Chris Mason
2009-01-01 1:02 ` Chris Samuel
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