From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vladi Gergov Subject: btrfs raid1 degraded does not mount or fsck Date: Fri, 29 Oct 2010 13:53:42 -0700 Message-ID: <20101029205340.GA10326@gypsyops.denof.sin> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: linux-btrfs@vger.kernel.org Return-path: List-ID: kernel: scratch git repo from today 10.29.10 @ 14:30 PST Btrfs v0.19-35-g1b444cd-dirty >>> gypsyops @ /mnt > sudo btrfs filesystem show Label: 'das4' uuid: d0e5137f-e5e7-49da-91f6-a9c4e4e72c6f Total devices 3 FS bytes used 1.38TB devid 3 size 1.82TB used 0.00 path /dev/sdb devid 2 size 1.82TB used 1.38TB path /dev/sdc *** Some devices missing Btrfs v0.19-35-g1b444cd-dirty >>> gypsyops @ /mnt > sudo mount -o degraded /dev/sdc das3/ Password: mount: wrong fs type, bad option, bad superblock on /dev/sdc, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so [ 684.577540] device label das4 devid 2 transid 107954 /dev/sdc [ 684.595150] btrfs: allowing degraded mounts [ 684.595594] btrfs: failed to read chunk root on sdb [ 684.604110] btrfs: open_ctree failed >>> gypsyops @ /mnt > sudo btrfsck /dev/sdc btrfsck: volumes.c:1367: btrfs_read_sys_array: Assertion `!(ret)' failed. any help please? -- ,-| Vladi `-| Gergov !DSPAM:4ccb39a9191821603519226!