This happened after reboot:
./btrfs-show
Label: none uuid: ca5e7037-a65c-45d8-b954-f64ab0799964
Total devices 2 FS bytes used 6.01GB
devid 5 size 623.25GB used 7.32GB path /dev/md15
devid 1 size 9.31GB used 7.32GB path /dev/md11
./btrfsck /dev/md11
failed to open /dev/btrfs-control skipping device registration
failed to open /dev/btrfs-control skipping device registration
failed to open /dev/btrfs-control skipping device registration
failed to open /dev/btrfs-control skipping device registration
failed to open /dev/btrfs-control skipping device registration
failed to open /dev/btrfs-control skipping device registration
fs tree 256 refs 1 not found
unresolved ref root 257 dir 256 index 8 namelen 8 name subvol00 error 600
found 6449324032 bytes used err is 1
total csum bytes: 6291456
total tree bytes: 6873088
total fs tree bytes: 36864
btree space waste bytes: 159776
file data blocks allocated: 10737418240
referenced 10737418240
mount -t btrfs /dev/md15 /home/samba/temp/btrfs-tests/
mount: wrong fs type, bad option, bad superblock on /dev/md15,
missing codepage or helper program, or other error
Manchmal liefert das Syslog wertvolle Informationen versuchen
Sie dmesg | tail oder so
./btrfsck /dev/md11
fs tree 256 refs 1 not found
unresolved ref root 257 dir 256 index 8 namelen 8 name subvol00 error 600
found 6449324032 bytes used err is 1
total csum bytes: 6291456
total tree bytes: 6873088
total fs tree bytes: 36864
btree space waste bytes: 159776
file data blocks allocated: 10737418240
referenced 10737418240
And the logs:
Feb 2 14:10:11 server kernel: [ 4188.478576] Btrfs loaded
Feb 2 14:10:11 server kernel: [ 4188.480370] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md15
Feb 2 14:10:11 server kernel: [ 4188.481053] btrfs: failed to read the system array on md15
Feb 2 14:10:11 server kernel: [ 4188.496590] btrfs: open_ctree failed
Feb 2 14:10:17 server kernel: [ 4194.622045] device fsid d8455ca637705eca-649979b04af654b9 devid 1 transid 679 /dev/md11
Feb 2 14:10:17 server kernel: [ 4194.667871] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md15
Feb 2 14:10:17 server kernel: [ 4194.695295] device fsid d8455ca637705eca-649979b04af654b9 devid 1 transid 679 /dev/md/11
Feb 2 14:10:17 server kernel: [ 4194.699507] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md/15
Feb 2 14:10:20 server kernel: [ 4197.287320] device fsid d8455ca637705eca-649979b04af654b9 devid 1 transid 679 /dev/md11
Feb 2 14:10:20 server kernel: [ 4197.290500] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md15
Feb 2 14:10:20 server kernel: [ 4197.307757] device fsid d8455ca637705eca-649979b04af654b9 devid 1 transid 679 /dev/md/11
Feb 2 14:10:20 server kernel: [ 4197.312969] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md/15
Feb 2 14:10:31 server kernel: [ 4208.291488] device fsid d8455ca637705eca-649979b04af654b9 devid 5 transid 679 /dev/md15
Feb 2 14:10:31 server kernel: [ 4208.309594] btrfs: unlinked 1 orphans
Feb 2 14:15:25 server kernel: [ 4502.850336] btrfs: relocating block group 73774923776 flags 17
Feb 2 14:15:27 server kernel: [ 4504.572962] btrfs allocation failed flags 17, wanted 4096
Feb 2 14:15:27 server kernel: [ 4504.572966] space_info has 260046848 free, is full
Feb 2 14:15:27 server kernel: [ 4504.572969] space_info total=6774456320, pinned=0, delalloc=81199104, may_use=0, used=6442450944, root=0, super=65536, reserved=71892992
Feb 2 14:15:27 server kernel: [ 4504.572973] block group 61291364352 has 1073741824 bytes, 1058013184 used 0 pinned 15663104 reserved
Feb 2 14:15:27 server kernel: [ 4504.572975] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.572976] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.572979] block group 62365106176 has 1073741824 bytes, 1069547520 used 0 pinned 4194304 reserved
Feb 2 14:15:27 server kernel: [ 4504.572980] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.572982] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.572984] block group 69139562496 has 1073741824 bytes, 1063256064 used 0 pinned 10485760 reserved
Feb 2 14:15:27 server kernel: [ 4504.572986] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.572987] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.572989] block group 70213304320 has 1073741824 bytes, 1062207488 used 0 pinned 11534336 reserved
Feb 2 14:15:27 server kernel: [ 4504.572990] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.572992] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.572994] block group 71287046144 has 332005376 bytes, 312475648 used 0 pinned 19529728 reserved
Feb 2 14:15:27 server kernel: [ 4504.572995] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.572996] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.572999] block group 72701181952 has 1073741824 bytes, 1063256064 used 0 pinned 10485760 reserved
Feb 2 14:15:27 server kernel: [ 4504.573000] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.573001] 0 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.573003] block group 73774923776 has 1073741824 bytes, 813694976 used 0 pinned 0 reserved
Feb 2 14:15:27 server kernel: [ 4504.573005] entry offset 74588618752, bytes 260046848, bitmap no
Feb 2 14:15:27 server kernel: [ 4504.573007] block group has cluster?: no
Feb 2 14:15:27 server kernel: [ 4504.573008] 1 blocks of free space at or bigger than bytes is
Feb 2 14:15:27 server kernel: [ 4504.573033] ------------[ cut here ]------------
Feb 2 14:15:27 server kernel: [ 4504.573101] kernel BUG at fs/btrfs/inode.c:788!
Feb 2 14:15:27 server kernel: [ 4504.573166] invalid opcode: 0000 [#1] SMP
Feb 2 14:15:27 server kernel: [ 4504.573233] last sysfs file: /sys/class/hwmon/hwmon0/temp1_input
Feb 2 14:15:27 server kernel: [ 4504.573300] Modules linked in: btrfs zlib_deflate crc32c libcrc32c autofs4 cpufreq_powersave cpufreq_ondemand cpufreq_stats ipt_REJECT ipt_MASQUERADE xt_TCPMSS xt_mac ipt_REDIRECT xt_DSCP xt_tcpudp xt_state xt_length ipt_LOG xt_limit iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_udplite nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nfnetlink nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack ppp_async crc_ccitt ppp_generic slhc ipv6 nls_utf8 isofs loop powernow_k8 freq_table cpufreq_userspace video pl2303 snd_pcm snd_timer backlight snd edac_core i2c_nforce2 wmi output button asus_atk0110 processor ftdi_sio usbserial i2c_core soundcore snd_page_alloc evdev pcspkr ext3 jbd mbcache dm_mirror dm_region_hash dm_log dm_snapshot dm_mod raid1 md_mod ata_generic pata_amd sd_mod amd74xx ahci libata ide_pci_generic firewire_ohci firewire_core crc_itu_t sky2 ide_core forcedeth scsi_mod ohci_hcd ehci_hcd thermal fan thermal_sys hwmon [last unloaded: scsi_wait_scan]
Feb 2 14:15:27 server kernel: [ 4504.574363]
Feb 2 14:15:27 server kernel: [ 4504.574425] Pid: 6114, comm: btrfs-vol Not tainted (2.6.32 #1) System Product Name
Feb 2 14:15:27 server kernel: [ 4504.574550] EIP: 0060:[<fecf5948>] EFLAGS: 00010286 CPU: 1
Feb 2 14:15:27 server kernel: [ 4504.574626] EIP is at cow_file_range+0x5f8/0x610 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.574693] EAX: ffffffe4 EBX: ffffffff ECX: 0000fafa EDX: 00000001
Feb 2 14:15:27 server kernel: [ 4504.574761] ESI: 0000000e EDI: 00001000 EBP: 00000000 ESP: f41638e4
Feb 2 14:15:27 server kernel: [ 4504.574829] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Feb 2 14:15:27 server kernel: [ 4504.574897] Process btrfs-vol (pid: 6114, ti=f4162000 task=ef17e540 task.ti=f4162000)
Feb 2 14:15:27 server kernel: [ 4504.575022] Stack:
Feb 2 14:15:27 server kernel: [ 4504.575082] 00970000 00000000 00001000 00000000 00000000 00000000 58c10000 0000000e
Feb 2 14:15:27 server kernel: [ 4504.575161] <0> ffffffff ffffffff f4163957 00000001 00000000 f3ac2050 c24f7da0 f3ac216c
Feb 2 14:15:27 server kernel: [ 4504.575297] <0> 00001000 f3ac2054 f4903800 f3955724 00970000 00000000 00001000 00000000
Feb 2 14:15:27 server kernel: [ 4504.575491] Call Trace:
Feb 2 14:15:27 server kernel: [ 4504.575561] [<fecf6696>] ? run_delalloc_range+0x3d6/0x440 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.575636] [<fed14cb8>] ? __extent_writepage+0x938/0xae0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.575707] [<c115234f>] ? radix_tree_gang_lookup_tag_slot+0x9f/0xd0
Feb 2 14:15:27 server kernel: [ 4504.575777] [<c1094b3b>] ? find_get_pages_tag+0x3b/0x130
Feb 2 14:15:27 server kernel: [ 4504.575850] [<fed10ad0>] ? extent_write_cache_pages+0x170/0x270 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.575930] [<fed10c28>] ? extent_writepages+0x58/0x80 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576003] [<fed14380>] ? __extent_writepage+0x0/0xae0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576080] [<fed0e510>] ? flush_write_bio+0x0/0x10 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576153] [<fecf3a00>] ? btrfs_get_extent+0x0/0xbc0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576226] [<fecf388c>] ? btrfs_writepages+0x1c/0x30 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576299] [<fecf3870>] ? btrfs_writepages+0x0/0x30 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576367] [<c109bdfa>] ? do_writepages+0x1a/0x40
Feb 2 14:15:27 server kernel: [ 4504.576434] [<c10e20de>] ? writeback_single_inode+0xbe/0x310
Feb 2 14:15:27 server kernel: [ 4504.576502] [<c10e2e40>] ? writeback_inodes_wb+0x380/0x530
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c109c583>] ? balance_dirty_pages_ratelimited_nr+0x223/0x330
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed114b4>] ? clear_extent_bit+0xe4/0x520 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed31b80>] ? relocate_file_extent_cluster+0x480/0x540 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed32112>] ? relocate_block_group+0x3e2/0x4c0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fecef1ca>] ? btrfs_clean_old_snapshots+0x5a/0xe0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed325ec>] ? btrfs_relocate_block_group+0x1cc/0x370 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed190b9>] ? btrfs_relocate_chunk+0x89/0x5f0 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c10d7f8d>] ? __d_lookup+0x8d/0x110
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed0dbfb>] ? map_private_extent_buffer+0x8b/0x130 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed19e3d>] ? btrfs_balance+0x2ad/0x310 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed1f022>] ? btrfs_ioctl+0x392/0xa80 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c1095824>] ? filemap_fault+0x74/0x390
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c10ac541>] ? __do_fault+0x361/0x450
Feb 2 14:15:27 server kernel: [ 4504.576503] [<fed1ec90>] ? btrfs_ioctl+0x0/0xa80 [btrfs]
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c10d36db>] ? vfs_ioctl+0x2b/0x90
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c10d3beb>] ? do_vfs_ioctl+0x3cb/0x600
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c101ee52>] ? do_page_fault+0x122/0x300
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c10d3e86>] ? sys_ioctl+0x66/0x70
Feb 2 14:15:27 server kernel: [ 4504.576503] [<c1002db5>] ? syscall_call+0x7/0xb
Feb 2 14:15:27 server kernel: [ 4504.576503] Code: 00 81 c3 00 10 00 00 83 d6 00 0f ac f3 0c 01 1a 8b 84 24 a8 00 00 00 c7 00 01 00 00 00 e9 46 fe ff ff 0f 0b eb fe 90 8d 74 26 00 <0f> 0b eb fe 8d 74 26 00 31 db 31 f6 e9 bd fb ff ff 0f 0b eb fe
Feb 2 14:15:27 server kernel: [ 4504.576503] EIP: [<fecf5948>] cow_file_range+0x5f8/0x610 [btrfs] SS:ESP 0068:f41638e4
Feb 2 14:15:27 server kernel: [ 4504.578542] ---[ end trace 5bf61caa2660c1ba ]---
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