Crush on btrfs device delete missing

2016-08-27 Thread MASAKI Yuhsuke
btrfs device delete missing always crushes and stop system. It log console only not STDOUT/STDERR or core file. This is copy from leaved message on console's last screen. = oops_end+0x9c/0cd0 die+0x4b/0x70 do_trap+0xb2/0x140 do_error_trap+0x89/0x110 ? update_inline_extent_backref+0x2ab/0x2b0

does btrfs-receive use/compare the checksums from the btrfs-send side?

2016-08-27 Thread Christoph Anton Mitterer
Hey. I've often wondered: When I do a send/receive, does the receiving side use the checksums from the sending side (either by directly storing them or by comparing them with calculated checksums and failing if they don't match after the transfer)? Cause that would effectively secure any transpor

btrfstune settings

2016-08-27 Thread Oliver Freyermuth
Dear btrfs experts, I hope this is the correct place to ask, the wiki and manpages did not help me on these questions. BTRFS has gained extended inode refs, skinny metadata and no-holes quite a while ago and these are now the defaults for new mkfs.btrfs. btrfstune can activate those features

btrfs send extremely slow (almost stuck)

2016-08-27 Thread Oliver Freyermuth
Dear btrfs experts, I just tried to make use of btrfs send / receive for incremental backups (using btrbk to simplify the process). It seems that on my two machines, btrfs send gets stuck after transferring some GiB - it's not fully halted, but instead of making full use of the available I/O,

Re: linux 4.7.2 & btrfs & rsync & OOM gone crazy

2016-08-27 Thread E V
OOM killer still killed rsync with swappiness 0, so rebuilt and rebooted with the patch and restarted the rsync. Seems to be running fine atm. Cached mem shoots right up to almost all of RAM and stays there per usual. We'll see how it goes. On Fri, Aug 26, 2016 at 3:02 PM, Tomasz Torcz wrote: > O

Re: [PATCH 0/3] Btrfs: fix free space tree bitmaps+tests on big-endian systems

2016-08-27 Thread Anatoly Pugachev
On Sat, Aug 27, 2016 at 3:56 AM, Omar Sandoval wrote: > On Fri, Aug 26, 2016 at 02:06:29PM +0300, Anatoly Pugachev wrote: >> >> I can't load btrfs module with this patch applied to 4.8.0-rc3+ (git >> v4.8-rc3-39-g61c0457) >> on "modprobe btrfs" i'm getting the following in the logs and module >> d