similar to: Bugreport: btrfsck breaks with Assertion `!(rec->is_root)' failed

Hi, I''m having a filesystem that''s been a bit mangled by external causes, so I thought I''d see how much I could salvage (it''s not critical, though). Thus, I pulled btrfsck from git and ran: pannekake:~/btrfs-progs# ./btrfsck --repair /dev/mapper/pannekake-backup-btrfs It spit out a ton of warnings like these (I can get the whole log if you''re

Hi devs, I can''t mount my btrfs-based external disk. I don''t know what happened to the disk, but usually it gets disconnected (usb cable pulled out) buy my 8 months old daughter. Here''s the output from dmesg: [ 299.699543] parent transid verify failed on 528952573952 wanted 22726 found 22728 [ 299.700947] btrfs read error corrected: ino 1 off 528952573952 (dev

After upgrading from 2.6.39-rc7 to 2.6.39 this morning, I tried to mount my 3 disk btrfs volume (no subvolumes, space caching enabled, lzo compression) and received some parent transid errors (going back to rc7 didn''t help, though): btrfs: disk space caching is enabled parent transid verify failed on 6038227976192 wanted 337418 found 337853 parent transid verify failed on 6038227976192

Is anyone interested in some part of this filesystem to figure out how it failed? Or can I erase and start again? Kind regards, -Evert Vorster- On Sun, Aug 8, 2010 at 8:18 AM, Evert Vorster <evorster@gmail.com> wrote: > Hi there. > > I have a btrfs on a raw device. (/dev/sda insted of in a partition, like > /dev/sda1 ) > The device in question is a USB hard drive with a 1TB

Hi all, I have two multi-disk btrfs filesystems on a Arch linux 3.4.0 system. After a power failure, both filesystems refuse to mount [ 10.402284] Btrfs loaded [ 10.402714] device fsid 1e7c18a4-02d6-44b1-8eaf-c01378009cd3 devid 4 transid 65282 /dev/sdc [ 10.403108] btrfs: force zlib compression [ 10.403130] btrfs: enabling inode map caching [ 10.403152] btrfs: disk space caching is

Hi All, I''m trying to repair a broken fs using btrfsck and am hitting a failed assertion. I''d appreciate any suggestions for what to do next. Is there any thing I can do to help fix this bug? Any other information from my FS which would help? If the FS could be salvaged that would be a bonus, but I''m more interested in providing a useful bug report before wiping the

So I''m having a bit of trouble with one of my btrfs filesystems. It isn''t mounting after a power failure. I can''t get restore or btrfsck to run, even on backup supers. I''ve pasted some output below. My btrfs-progs below come from git this morning, running on linux 3.2.0. # mount /dev/md2 /media/test/ mount: wrong fs type, bad option, bad superblock on

Hey, I''d start by saying that I know Btrfs is a still experimental, and so there''s no guarantee that one would be able to help me at all... But I thought I''ll try anyway :-) Few months ago I bought a new laptop and installed ArchLinux on it, with Btrfs on the root filesystem... I know, it''s not the smartest thing to do... After a few month I had issues with my

After an unclean shutdown, my btrfs is now unmountable: device label root devid 1 transid 375202 /dev/sdc4 parent transid verify failed on 53984886784 wanted 375202 found 375201 parent transid verify failed on 53984886784 wanted 375202 found 375201 parent transid verify failed on 53984886784 wanted 375202 found 375201 btrfs: open_ctree failed btrfsck aborts: couldn''t open because of

Hello! Today I downgraded from Ubuntu''s APT repo "oneiric-proposed" (which brings some kernel 3.0.0-13) back to the standard repo "oneiric". Now I''m not able to mount my btrfs / and /home (both on the same partition) anymore: device fsid SOME-UUID devid 1 transid 84229 /dev/dm-0 parent transid verify failed on 77078528 wanted 83774 found 84226

Chris Mason on 10 Feb 13:17: > Excerpts from Ben Gamari''s message of 2011-02-09 21:52:20 -0500: > > Over the last several months there have been many claims regarding > > the release of the rewritten btrfsck. Unfortunately, despite > > numerous claims that it will be released Real Soon Now(c), I have > > yet to see even a repository with preliminary code. Did I

I created a 1TB RAID1. So far it is just for testing, no important data on there. After a reboot, I tried to mount it again # mount /dev/mapper/vg00-btrfsvol0_0 /mnt/btrfs0 mount: wrong fs type, bad option, bad superblock on /dev/mapper/vg00-btrfsvol0_0, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or

Hello, trying out btrfs on my linux installation. I am running Funtoo with Linux 3.0 kernel. After a reboot kernel panicked (no access to error log since it is my root volume that failed). I get this using a rescue cd (2.6.38, btrfs v 0.19) and then trying to mount : [  752.129118] btrfs bad tree block start 0 131072 [  752.129152] btrfs: failed to read chunk root on sda5 [  752.132190] btrfs:

Hi again. Sorry for top posting. I have a 9 disk filesystem that does not mount anymore and need some help/advice so I can recover the data. What happened was that I was running a btrfs delete device under Ubuntu 13.04 Kernel 3.8 and after a long time of moving data around it crashed with a SEGV. Now the filesystem does not mount and none of the recovery options I have tried work. I have

Hi there, I had remote filesystem not unmounting during shutdown so I hit the reboot button. Did so a couple of times in the past. 3.6.8-1-ARCH, btrfs-progs 0.19.20121005-4, don''t remember the exact version I used when creating the filesystem (0.19 something). btrfsck looks like this: checking extents checking fs roots parent transid verify failed on 167047168 wanted 713090 found

Hello I think, I somewhat destroyed my btrfs filesystem on my Ubuntu 13.04 kernel 3.8.0-25-lowlatency system. It got destroyed, because the system was hanging for some other reason and I had to remove power... When I try to mount my filesystem (there''s only one, with a few subfilesystems), the system crashes. Also btrfsck dies; always like this: a@ask-home:~$ sudo

I booted the guest in which i was testing btrfs (transient ENOSPC issues, etc). It booted in emergency mode. [ 6.705187] device label testfs1 devid 1 transid 4141 /dev/sdb1 [ 6.724353] device label fedora devid 1 transid 2036 /dev/sda2 [ 6.780931] device label fedora devid 1 transid 2036 /dev/sda2 [ 6.817157] snd_hda_intel 0000:00:04.0: irq 42 for MSI/MSI-X [ 6.818326]

Hi, I have setup a RAID1 using 3 devices (500G each) on separate disks. After removing one disk physically the filesystem cannot be mounted in degraded nor in recovery mode. When putting the disk back in the filesystem can be mounted without errors. I did a cold-swap (powercycle after removal/insertion of the disk). Here are the details: - latest kernel 3.2.1 and btrfs-tools on xubuntu

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

Hi everybody, we are using a btrfs RAID 1 with four 2TB hard drives on a Debian 7.1 (Kernel 3.9.6). After about one year of working, there was an error in messages log and the filesystem was mounted read-only. After that I restarted the system but that doesn''t fix the bug. The btrfs-filesystem couldn''t be mounted. I attach four logs: -> when the error occured ->