zfs process hang on pool access
Steven Hartland
killing at multiplay.co.uk
Wed Jul 27 12:06:46 UTC 2011
I've checked the raw disk and all seems fine there, so does look like its
some sort of zfs livelock.
I'm trying to keep the machine available in case someone needs more information,
but its a production machine so I'm going to have to reboot it in the next
few hours.
Disk tests:-
dd if=/dev/da1 of=/dev/null bs=10m
5724+1 records in
5724+1 records out
60022480896 bytes transferred in 430.479894 secs (139431555 bytes/sec)
smartctl -a /dev/da1
smartctl 5.40 2010-10-16 r3189 [FreeBSD 8.2-RELEASE amd64] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: SandForce Driven SSDs
Device Model: Corsair CSSD-F60GB2
Serial Number: 10446509320009990024
Firmware Version: 1.1
User Capacity: 60,022,480,896 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 6
Local Time is: Wed Jul 27 11:27:30 2011 UTC
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: ( 0) seconds.
Offline data collection
capabilities: (0x7f) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Abort Offline collection upon new
command.
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: ( 48) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 119 100 050 Pre-fail Always - 0/238293224
5 Retired_Block_Count 0x0033 097 097 003 Pre-fail Always - 256
9 Power_On_Hours_and_Msec 0x0032 100 100 000 Old_age Always - 5513h+00m+39.450s
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 2
171 Program_Fail_Count 0x0000 000 000 000 Old_age Offline - 0
172 Erase_Fail_Count 0x0000 000 000 000 Old_age Offline - 0
174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 0
177 Wear_Range_Delta 0x0000 000 000 --- Old_age Offline - 1
181 Program_Fail_Count 0x0000 000 000 000 Old_age Offline - 0
182 Erase_Fail_Count 0x0000 000 000 000 Old_age Offline - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 022 026 000 Old_age Always - 22 (Min/Max 0/26)
195 ECC_Uncorr_Error_Count 0x001c 119 100 000 Old_age Offline - 0/238293224
196 Reallocated_Event_Count 0x0033 100 100 003 Pre-fail Always - 0
231 SSD_Life_Left 0x0013 057 057 010 Pre-fail Always - 0
233 SandForce_Internal 0x0000 000 000 000 Old_age Offline - 152704
234 SandForce_Internal 0x0000 000 000 000 Old_age Offline - 90688
241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 90688
242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 3584
Error SMART Error Log Read failed: Input/output error
Smartctl: SMART Error Log Read Failed
Error SMART Error Self-Test Log Read failed: Input/output error
Smartctl: SMART Self Test Log Read Failed
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.
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