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From: Anand Jain <anand.jain@oracle.com>
To: Dmitry Katsubo <dmitry.katsubo@gmail.com>, linux-btrfs@vger.kernel.org
Subject: Re: Recover btrfs volume which can only be mounded in read-only mode
Date: Wed, 14 Oct 2015 22:40:41 +0800	[thread overview]
Message-ID: <561E6969.40500@oracle.com> (raw)
In-Reply-To: <CAOGcOQE3_ROtk=2kQkjTUkGE1tz=HEzbeZnrWUOPziW=kNNXBQ@mail.gmail.com>



> # mount -o degraded /var
> Oct 11 18:20:15 kernel: BTRFS: too many missing devices, writeable
> mount is not allowed
>
> # mount -o degraded,ro /var
> # btrfs device add /dev/sdd1 /var
> ERROR: error adding the device '/dev/sdd1' - Read-only file system
>
> Now I am stuck: I cannot add device to the volume to satisfy raid pre-requisite.

  This is a known issue. Would you be able to test below set of patches
  and update us..

    [PATCH 0/5] Btrfs: Per-chunk degradable check

Thanks, Anand

  reply	other threads:[~2015-10-14 14:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-14 14:28 Recover btrfs volume which can only be mounded in read-only mode Dmitry Katsubo
2015-10-14 14:40 ` Anand Jain [this message]
2015-10-14 20:27   ` Dmitry Katsubo
2015-10-15  0:48     ` Duncan
2015-10-15 14:10       ` Dmitry Katsubo
2015-10-15 14:55         ` Hugo Mills
2015-10-16  8:18         ` Duncan
2015-10-18  9:44           ` Dmitry Katsubo
2015-10-26  7:09             ` Duncan
2015-10-26  9:14             ` Duncan
2015-10-26  9:24               ` Hugo Mills
2015-10-27  5:58                 ` Duncan

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