Re: Fsck, parent transid verify failed
On Thu, Dec 9, 2010 at 6:14 PM, Chris Mason chris.ma...@oracle.com wrote: 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 Hi again Chris. Hope you survived Christmas and new year :] Just wanted to check in and see how you are progressing on the btrfsck? Drop me a mail if you want me to test/debug anything. -tommy -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
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 Hi Chris. Thanks for all your help. Any progress on the fsck ? I pulled the latest btrfs-progs-unstable and recompiled, same output from all the commands (btrfsck -s / btrfs-debug-tree). -tommy -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
On Fr, 10.12.10 15:11 Chris Mason chris.ma...@oracle.com wrote: What would be the steps to get it mounted? If btrfsck -s is able to find a good super, I've setup a tool that will copy the good super over into the default super. It is currently sitting in the next branch of the btrfs-progs-unstable repo. git clone git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git next (or git pull into your existing checkout) Then make btrfs-select-super ./btrfs-selects-super -s 1 /dev/xxx After this you'll want to do a full backup and make sure things are working properly. -chris This worked fine. I was able to mount and completely read it. The volume seems healthy and is fully usable so far. Thanks a lot! ~thomas -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
Excerpts from Tom Kuther's message of 2010-12-09 11:21:03 -0500: Chris Mason chris.mason at oracle.com writes: [...] 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. Hello, I get those parent transid verify failed errors too after a system failure. # btrfsck -s 1 /dev/md0 using SB copy 1, bytenr 67108864 found 1954912653312 bytes used err is 0 total csum bytes: 1892054684 total tree bytes: 3455627264 total fs tree bytes: 1082691584 btree space waste bytes: 584155173 file data blocks allocated: 12808940421120 referenced 1933520879616 Btrfs v0.19-35-g1b444cd-dirty # btrfsck -s 2 /dev/md0 using SB copy 2, bytenr 274877906944 found 1954912653312 bytes used err is 0 -snip- Both seem to work. What would be the steps to get it mounted? If btrfsck -s is able to find a good super, I've setup a tool that will copy the good super over into the default super. It is currently sitting in the next branch of the btrfs-progs-unstable repo. git clone git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git next (or git pull into your existing checkout) Then make btrfs-select-super ./btrfs-selects-super -s 1 /dev/xxx After this you'll want to do a full backup and make sure things are working properly. -chris -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
Chris Mason chris.mason at oracle.com writes: [...] 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. Hello, I get those parent transid verify failed errors too after a system failure. # btrfsck -s 1 /dev/md0 using SB copy 1, bytenr 67108864 found 1954912653312 bytes used err is 0 total csum bytes: 1892054684 total tree bytes: 3455627264 total fs tree bytes: 1082691584 btree space waste bytes: 584155173 file data blocks allocated: 12808940421120 referenced 1933520879616 Btrfs v0.19-35-g1b444cd-dirty # btrfsck -s 2 /dev/md0 using SB copy 2, bytenr 274877906944 found 1954912653312 bytes used err is 0 -snip- Both seem to work. What would be the steps to get it mounted? Thanks in advance. ~thomas -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
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 -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
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 ? Thanks! -tommy -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
Excerpts from Tommy Jonsson's message of 2010-12-01 06:00:56 -0500: Hi folks! Been using btrfs for quite a while now, worked great until now. Got power-loss on my machine and now i have the parent transid verify failed on X wanted X found X problem. So I can't get it to mount. My btrfs is spread over sda (2tb), sdc(2tb), sdd(1tb). Is this something that an offline fsck could fix ? If so is the fsck-util being developed ? Is there a way to mount the FS in a read-only mode or something to rescue the data ? Which kernel are you on? Unless you formatted with -m raid0, the current git tree should be able to read this FS by using the second copy of the metadata. -chris -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
Excerpts from Tommy Jonsson's message of 2010-12-02 16:45:39 -0500: I can't remember if i used -m raid0. I think i just used mkfs.btrfs /dev/sda then btrfs device add /dev/sdb and same for sdc. I am sure that i didn't explicitly use -m raid1 or raid10. Is there a way that i can check this ? The defaults will maintain raid1 as you add more drives. We can check it with btrfs-debug-tree from the git repository. But, more below. If i do have raid0 for both metadata and data is there anything i can do ? I've been looking at the source but haven't got my head around it yet. What whould happen if i just ignore/bypass the transid error? The error: [265889.197279] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 3 transid 39651 /dev/sda [265889.198266] btrfs: use compression [265889.647817] parent transid verify failed on 2721514774528 wanted 39651 found 39649 [265889.672632] btrfs: open_ctree failed Or could i update the metadata to want 39649 ? The first thing I would try is: git pull git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git 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 -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
$ 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 -tommy On Thu, Dec 2, 2010 at 10:50 PM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Tommy Jonsson's message of 2010-12-02 16:45:39 -0500: I can't remember if i used -m raid0. I think i just used mkfs.btrfs /dev/sda then btrfs device add /dev/sdb and same for sdc. I am sure that i didn't explicitly use -m raid1 or raid10. Is there a way that i can check this ? The defaults will maintain raid1 as you add more drives. We can check it with btrfs-debug-tree from the git repository. But, more below. If i do have raid0 for both metadata and data is there anything i can do ? I've been looking at the source but haven't got my head around it yet. What whould happen if i just ignore/bypass the transid error? The error: [265889.197279] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 3 transid 39651 /dev/sda [265889.198266] btrfs: use compression [265889.647817] parent transid verify failed on 2721514774528 wanted 39651 found 39649 [265889.672632] btrfs: open_ctree failed Or could i update the metadata to want 39649 ? The first thing I would try is: git pull git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git 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 -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: Fsck, parent transid verify failed
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 -tommy On Thu, Dec 2, 2010 at 10:59 PM, Tommy Jonsson quaz...@gmail.com wrote: $ 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 -tommy On Thu, Dec 2, 2010 at 10:50 PM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Tommy Jonsson's message of 2010-12-02 16:45:39 -0500: I can't remember if i used -m raid0. I think i just used mkfs.btrfs /dev/sda then btrfs device add /dev/sdb and same for sdc. I am sure that i didn't explicitly use -m raid1 or raid10. Is there a way that i can check this ? The defaults will maintain raid1 as you add more drives. We can check it with btrfs-debug-tree from the git repository. But, more below. If i do have raid0 for both metadata and data is there anything i can do ? I've been looking at the source but haven't got my head around it yet. What whould happen if i just ignore/bypass the transid error? The error: [265889.197279] device fsid 734a485d12c77872-9b0b5aa408670db4 devid 3 transid 39651 /dev/sda [265889.198266] btrfs: use compression [265889.647817] parent transid verify failed on 2721514774528 wanted 39651 found 39649 [265889.672632] btrfs: open_ctree failed Or could i update the metadata to want 39649 ? The first thing I would try is: git pull git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git 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 -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Fsck, parent transid verify failed
Hi folks! Been using btrfs for quite a while now, worked great until now. Got power-loss on my machine and now i have the parent transid verify failed on X wanted X found X problem. So I can't get it to mount. My btrfs is spread over sda (2tb), sdc(2tb), sdd(1tb). Is this something that an offline fsck could fix ? If so is the fsck-util being developed ? Is there a way to mount the FS in a read-only mode or something to rescue the data ? Thanks, Tommy. -- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
