From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: Fsck, parent transid verify failed Date: Thu, 09 Dec 2010 12:14:02 -0500 Message-ID: <1291914789-sup-96@think> References: <003501cb9147$09197540$1b4c5fc0$@gmail.com> <1291306826-sup-7837@think> <1291326502-sup-1726@think> Content-Type: text/plain; charset=UTF-8 Cc: linux-btrfs To: Tommy Jonsson Return-path: In-reply-to: List-ID: Excerpts from Tommy Jonsson's message of 2010-12-08 15:07:58 -0500: > >> Build the latest tools, then: > >> > >> btrfsck -s 1 /dev/xxx > >> btrfsck -s 2 /dev/xxx > >> > >> If either of these work we have an easy way to get it mounted. Just let > >> me know. > >> > >> -chris > >> > > > $ btrfsck -s 1 /dev/sda > > using SB copy 1, bytenr 67108864 > > parent transid verify failed on 2721514774528 wanted 39651 found 39649 > > btrfsck: disk-io.c:739: open_ctree_fd: Assertion `!(!tree_root->node)' failed. > > Aborted > > > > $ btrfsck -s 2 /dev/sda > > using SB copy 2, bytenr 274877906944 > > parent transid verify failed on 2721514774528 wanted 39651 found 39649 > > btrfsck: disk-io.c:739: open_ctree_fd: Assertion `!(!tree_root->node)' failed. > > Aborted > > > > Tried "btrfs-debug-tree /dev/sda" and "btrfs-debug-tree -e /dev/sda" : > > parent transid verify failed on 2721514774528 wanted 39651 found 39649 > > btrfs-debug-tree: disk-io.c:739: open_ctree_fd: Assertion > > `!(!tree_root->node)' failed. > > > > dmesg said: > > [268375.903581] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 2 transid 39650 /dev/sdd > > [268375.904241] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 1 transid 39651 /dev/sdc > > [268375.904526] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 3 transid 39651 /dev/sda > > Sorry to be a bother, but do you have any other suggestions ? Not a bother at all, I'm polishing off a version of fsck that I hope will be able to construct a good tree for you. It's my main priority right now and I hope to have something ready early Monday. -chris