Re: Balance and subvolume delete causes deadlock and metadata corruption

2016-07-30 Thread Hans van Kranenburg
On 07/31/2016 02:13 AM, Hans van Kranenburg wrote: > On 07/31/2016 01:18 AM, Hans van Kranenburg wrote: >> blahblahblahblahblalahba >> >> Doing a btrfs check now on the block device, will fup with the output. >> > > Output so far: > > -# btrfs check /dev/xvdc 2>&1 | tee btrfs-check-xvdc > checkin

Re: Balance and subvolume delete causes deadlock and metadata corruption

2016-07-30 Thread Hans van Kranenburg
On 07/31/2016 01:18 AM, Hans van Kranenburg wrote: > blahblahblahblahblalahba > > Doing a btrfs check now on the block device, will fup with the output. > Output so far: -# btrfs check /dev/xvdc 2>&1 | tee btrfs-check-xvdc checking extents ref mismatch on [3649516437504 16384] extent item 0, fo

Balance and subvolume delete causes deadlock and metadata corruption

2016-07-30 Thread Hans van Kranenburg
Hi, tl;dr: concurrent metadata balance and subvol delete caused deadlock and metadata corruption. could mount ro, copied data off of the filesystem. filesystem still available for science, can possibly mount rw, but crashes when space_tree v2 bails out when it sees the metadata corruption. Yester