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Date: Fri, 26 Oct 2012 15:23:59 +0200
From: =?iso-8859-1?Q?Llu=EDs?= Batlle i Rossell <viric@viric.name>
To: Goffredo Baroncelli <kreijack@gmail.com>
Cc: Btrfs mailing list <linux-btrfs@vger.kernel.org>
Subject: Re: Can't replace a faulty disk of raid1
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On Fri, Oct 26, 2012 at 01:41:58PM +0200, Goffredo Baroncelli wrote:
> Hi Luis
> 
> On Fri, Oct 26, 2012 at 12:59 PM, Lluís Batlle i Rossell
> <viric@viric.name> wrote:
> [...]
> >>
> >> I tried to remove the missing device, and it said "Input/output error" after a
> >> while. Next attempts simply gave "Invalid argument".
> 
> Todate BTRFS is not capable to remove (via btrfs device delete <path>)
> a missing disk. The user has to unmount the filesystem and remount-it
> in "degraded" mode.

Of course I was doing all I reported with the filesystem in degraded mount. The mount
log showed that. :)

I simply did the proper degraded mount at initrd time.

Regards,
Lluís.