Hello,
Kernel version?
3.12.0-031200-generic
It mounts OK with no kernel messages?
Yes. Here I mount the three subvolumes:
dmesg:
[105152.392900] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105152.394332] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105152.394663] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105152.394759] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105152.394845] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105152.395941] btrfs: disk space caching is enabled
[105195.320249] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105195.320256] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105195.320263] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105195.320290] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105195.320308] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105208.832997] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105208.833005] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105208.833026] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 1
transid 164942 /dev/sdb1
[105208.833030] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
[105208.833032] btrfs: device fsid 989306aa-d291-4752-8477-0baf94f8c42f
devid 2
transid 164942 /dev/sdc1
Syslog:
Jan 12 23:25:43 homeserver kernel: [105152.392900] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:25:43 homeserver kernel: [105152.394332] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:25:43 homeserver kernel: [105152.394663] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:25:43 homeserver kernel: [105152.394759] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:25:43 homeserver kernel: [105152.394845] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:25:43 homeserver kernel: [105152.395941] btrfs: disk space
caching is enabled
Jan 12 23:26:26 homeserver kernel: [105195.320249] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:26:26 homeserver kernel: [105195.320256] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:26:26 homeserver kernel: [105195.320263] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:26:26 homeserver kernel: [105195.320290] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:26:26 homeserver kernel: [105195.320308] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:26:39 homeserver kernel: [105208.832997] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:26:39 homeserver kernel: [105208.833005] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:26:39 homeserver kernel: [105208.833026] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 1 transid 164942 /dev/sdb1
Jan 12 23:26:39 homeserver kernel: [105208.833030] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
Jan 12 23:26:39 homeserver kernel: [105208.833032] btrfs: device fsid
989306aa-d291-4752-8477-0baf94f8c42f devid 2 transid 164942 /dev/sdc1
What do you get for:
btrfs fi show
./btrfs/btrfs-progs/btrfs fi show
Label: none uuid: 989306aa-d291-4752-8477-0baf94f8c42f
Total devices 2 FS bytes used 4.37TiB
devid 1 size 2.73TiB used 2.73TiB path /dev/sdb1
devid 2 size 2.73TiB used 2.73TiB path /dev/sdc1
Btrfs v3.12
btrfs fi df <mp>
./btrfs/btrfs-progs/btrfs fi df /mnt/BTRFS/rsnapshot/
Data, RAID0: total=5.45TiB, used=4.37TiB
System, RAID1: total=8.00MiB, used=396.00KiB
System, single: total=4.00MiB, used=0.00
Metadata, RAID1: total=6.00GiB, used=5.41GiB
Metadata, single: total=8.00MiB, used=0.00
(for all Subvolumes)
btrfs device stats </dev or mountpoint>
./btrfs/btrfs-progs/btrfs device stats /mnt/BTRFS/backups/
[/dev/sdb1].write_io_errs 0
[/dev/sdb1].read_io_errs 0
[/dev/sdb1].flush_io_errs 0
[/dev/sdb1].corruption_errs 0
[/dev/sdb1].generation_errs 0
[/dev/sdc1].write_io_errs 0
[/dev/sdc1].read_io_errs 0
[/dev/sdc1].flush_io_errs 0
[/dev/sdc1].corruption_errs 0
[/dev/sdc1].generation_errs 0
Greetings and thanks for your help!
Hendrik
Appendix:
If there are any errors reported for device stats, what do you get for smartctl
-x /dev/X
There are none, but for completeness:
smartctl -x /dev/sdc1
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.12.0-031200-generic]
(local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST3000DM001-9YN166
Serial Number: Z1F0HAZN
LU WWN Device Id: 5 000c50 03fec37b4
Firmware Version: CC4B
User Capacity: 3.000.592.982.016 bytes [3,00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 4
Local Time is: Sun Jan 12 23:30:28 2014 CET
==> WARNING: A firmware update for this drive may be available,
see the following Seagate web pages:
http://knowledge.seagate.com/articles/en_US/FAQ/207931en
http://knowledge.seagate.com/articles/en_US/FAQ/223651en
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection:
Disabled.
Self-test execution status: ( 0) The previous self-test routine
completed
without error or no self-test
has ever
been run.
Total time to complete Offline
data collection: ( 575) seconds.
Offline data collection
capabilities: (0x73) SMART execute Offline immediate.
Auto Offline data collection
on/off support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 255) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x3085) SCT Status supported.
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE
1 Raw_Read_Error_Rate POSR-- 119 099 006 - 222649736
3 Spin_Up_Time PO---- 092 092 000 - 0
4 Start_Stop_Count -O--CK 095 095 020 - 5128
5 Reallocated_Sector_Ct PO--CK 100 100 036 - 0
7 Seek_Error_Rate POSR-- 076 057 030 - 13026610297
9 Power_On_Hours -O--CK 068 068 000 - 28432
10 Spin_Retry_Count PO--C- 100 100 097 - 0
12 Power_Cycle_Count -O--CK 100 100 020 - 167
183 Runtime_Bad_Block -O--CK 100 100 000 - 0
184 End-to-End_Error -O--CK 100 100 099 - 0
187 Reported_Uncorrect -O--CK 100 100 000 - 0
188 Command_Timeout -O--CK 100 099 000 - 2 2 2
189 High_Fly_Writes -O-RCK 092 092 000 - 8
190 Airflow_Temperature_Cel -O---K 060 046 045 - 40 (0 10 47 26)
191 G-Sense_Error_Rate -O--CK 100 100 000 - 0
192 Power-Off_Retract_Count -O--CK 100 100 000 - 148
193 Load_Cycle_Count -O--CK 095 095 000 - 11707
194 Temperature_Celsius -O---K 040 054 000 - 40 (0 15 0 0)
197 Current_Pending_Sector -O--C- 100 100 000 - 0
198 Offline_Uncorrectable ----C- 100 100 000 - 0
199 UDMA_CRC_Error_Count -OSRCK 200 200 000 - 0
240 Head_Flying_Hours ------ 100 253 000 -
10383h+50m+39.165s
241 Total_LBAs_Written ------ 100 253 000 - 80975340592299
242 Total_LBAs_Read ------ 100 253 000 - 194401514224638
||||||_ K auto-keep
|||||__ C event count
||||___ R error rate
|||____ S speed/performance
||_____ O updated online
|______ P prefailure warning
General Purpose Log Directory Version 1
SMART Log Directory Version 1 [multi-sector log support]
GP/S Log at address 0x00 has 1 sectors [Log Directory]
SMART Log at address 0x01 has 1 sectors [Summary SMART error log]
SMART Log at address 0x02 has 5 sectors [Comprehensive SMART error log]
GP Log at address 0x03 has 5 sectors [Ext. Comprehensive SMART
error log]
SMART Log at address 0x06 has 1 sectors [SMART self-test log]
GP Log at address 0x07 has 1 sectors [Extended self-test log]
SMART Log at address 0x09 has 1 sectors [Selective self-test log]
GP Log at address 0x10 has 1 sectors [NCQ Command Error]
GP Log at address 0x11 has 1 sectors [SATA Phy Event Counters]
GP Log at address 0x21 has 1 sectors [Write stream error log]
GP Log at address 0x22 has 1 sectors [Read stream error log]
GP/S Log at address 0x80 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x81 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x82 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x83 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x84 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x85 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x86 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x87 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x88 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x89 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8a has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8b has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8c has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8d has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8e has 16 sectors [Host vendor specific log]
GP/S Log at address 0x8f has 16 sectors [Host vendor specific log]
GP/S Log at address 0x90 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x91 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x92 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x93 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x94 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x95 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x96 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x97 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x98 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x99 has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9a has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9b has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9c has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9d has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9e has 16 sectors [Host vendor specific log]
GP/S Log at address 0x9f has 16 sectors [Host vendor specific log]
GP/S Log at address 0xa1 has 20 sectors [Device vendor specific log]
GP Log at address 0xa2 has 4496 sectors [Device vendor specific log]
GP/S Log at address 0xa8 has 20 sectors [Device vendor specific log]
GP/S Log at address 0xa9 has 1 sectors [Device vendor specific log]
GP Log at address 0xab has 1 sectors [Device vendor specific log]
GP Log at address 0xb0 has 5067 sectors [Device vendor specific log]
GP Log at address 0xbd has 512 sectors [Device vendor specific log]
GP Log at address 0xbe has 65535 sectors [Device vendor specific log]
GP Log at address 0xbf has 65535 sectors [Device vendor specific log]
GP/S Log at address 0xc0 has 1 sectors [Device vendor specific log]
GP/S Log at address 0xe0 has 1 sectors [SCT Command/Status]
GP/S Log at address 0xe1 has 1 sectors [SCT Data Transfer]
SMART Extended Comprehensive Error Log Version: 1 (5 sectors)
No Errors Logged
SMART Extended Self-test Log Version: 1 (1 sectors)
Num Test_Description Status Remaining
LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed without error 00% 28411
-
# 2 Extended offline Completed without error 00% 28394
-
# 3 Short offline Completed without error 00% 28387
-
# 4 Short offline Completed without error 00% 28363
-
# 5 Short offline Completed without error 00% 28339
-
# 6 Short offline Completed without error 00% 28316
-
# 7 Short offline Completed without error 00% 28292
-
# 8 Short offline Completed without error 00% 28268
-
# 9 Short offline Completed without error 00% 28243
-
#10 Extended offline Completed without error 00% 28226
-
#11 Short offline Completed without error 00% 28220
-
#12 Short offline Completed without error 00% 28196
-
#13 Short offline Completed without error 00% 28172
-
#14 Short offline Completed without error 00% 28148
-
#15 Short offline Completed without error 00% 28124
-
#16 Short offline Completed without error 00% 28100
-
#17 Short offline Completed without error 00% 28076
-
#18 Extended offline Completed without error 00% 28058
-
#19 Short offline Completed without error 00% 28052
-
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.
Warning: device does not support SCT Data Table command
Warning: device does not support SCT Error Recovery Control command
SATA Phy Event Counters (GP Log 0x11)
ID Size Value Description
0x000a 2 3 Device-to-host register FISes sent due to a COMRESET
0x0001 2 0 Command failed due to ICRC error
0x0003 2 0 R_ERR response for device-to-host data FIS
0x0004 2 0 R_ERR response for host-to-device data FIS
0x0006 2 0 R_ERR response for device-to-host non-data FIS
0x0007 2 0 R_ERR response for host-to-device non-data FIS
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
