Re: Strange data backref offset?

2015-07-19 Thread Zygo Blaxell
On Sat, Jul 18, 2015 at 07:35:31PM +0800, Liu Bo wrote: On Fri, Jul 17, 2015 at 10:38:32AM +0800, Qu Wenruo wrote: Hi all, While I'm developing a new btrfs inband dedup mechanism, I found btrfsck and kernel doing strange behavior for clone. [Reproducer] # mount /dev/sdc -t btrfs

Re: Strange data backref offset?

2015-07-19 Thread Qu Wenruo
Zygo Blaxell wrote on 2015/07/19 03:23 -0400: On Sat, Jul 18, 2015 at 07:35:31PM +0800, Liu Bo wrote: On Fri, Jul 17, 2015 at 10:38:32AM +0800, Qu Wenruo wrote: Hi all, While I'm developing a new btrfs inband dedup mechanism, I found btrfsck and kernel doing strange behavior for clone.

BTRFS Couldn't read chunk root

2015-07-19 Thread Aleksey Trifonov
Hello! I have a CentOS 7 box with 4 HDD (3x1Tb and 1x2Tb) in soft RAID-5 made with mdadm and btrfs over this. Once I was need to remove my 2Tb disk from box and at this time SATA cable of 1Tb disk was failed. I’ve done it on turned off machine, 2Tb disk was remoced by «mdadm —fail; mdadm

Re: [PATCH] generic/311: Disable dmesg check

2015-07-19 Thread Dave Chinner
On Fri, Jul 17, 2015 at 05:10:50PM +0530, Chandan Rajendra wrote: On Friday 17 Jul 2015 06:16:02 Brian Foster wrote: On Fri, Jul 17, 2015 at 12:56:43AM -0400, Chandan Rajendra wrote: When running generic/311 on Btrfs' subpagesize-blocksize patchset (on ppc64 with 4k sectorsize and 16k

Re: Btrfs progs release 4.1.2 (urgent fix, do not use 4.1.1)

2015-07-19 Thread Suman Chakravartula
Hi David, We are using 4.1 progs and 4.1 kernel on Rockstor currently and what I see is that btrfs check says device is not currently mounted. Is 4.1 effected? Do you recommend we update to 4.1.2 anyway? [root@RockStor ~]# btrfs fi show testpool; mount | grep testpool; btrfs check /dev/sdaa;

Re: Anyone tried out btrbk yet?

2015-07-19 Thread Donald Pearson
I'm starting to think there's something wrong with creating and removing snapshots that leaves btrfs-cleaner either locked up or nearly so. If the btrfs-cleaner process was hard-disk limited I should be seeing some HDD I/O to coincide but I don't. So far btrfs-cleaner is has been using lots of

Re: [PATCH] Integer underflow in ctree.c

2015-07-19 Thread Sandino Araico Sánchez
On 07/07/15 04:14, Qu Wenruo wrote: Sandino Araico Sánchez wrote on 2015/06/19 11:31 -0500: :btrfs check crashed while trying to fix my corrupted filesystem. btrfs check --repair /dev/sdd3 enabling repair mode Checking filesystem on /dev/sdd3 UUID: 58222ebc-79ca-4dc4-891f-129aae342313