Ik heb een BTRFS (v3.12, kernel 3.12.9) RAID1 array bestaande uit twee disks:
Nu heb ik laatst een scrub gedaan die twee oplosbare errors aangaf:
In de week sindsdien heeft die schijf nu meer zulke fouten veroorzaakt: (deze waarden waren voor de scrub nog 0, direct erna was de nu-41-waarde 2.)
Ik heb de SMART-statistieken een slinger gegeven, maar daar zie ik niets dat problemen aan lijkt te geven:
Mijn vraag is dus: wat zijn dit precies voor fouten die btrfs aangeeft, en moet ik deze disk met spoed gaan vervangen?
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| $ btrfs fi show [..]
Label: [..] uuid: [..]
Total devices 2 FS bytes used 1.48TiB
devid 1 size 1.82TiB used 1.82TiB path /dev/sdc1
devid 2 size 1.82TiB used 1.82TiB path /dev/sdd
$ btrfs fi df [..]
Data, RAID1: total=1.82TiB, used=1.48TiB
System, RAID1: total=32.00MiB, used=268.00KiB
System, single: total=4.00MiB, used=0.00
Metadata, RAID1: total=3.00GiB, used=2.04GiB |
Nu heb ik laatst een scrub gedaan die twee oplosbare errors aangaf:
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| $ btrfs scrub status [..]
scrub status for [..]
scrub started at Fri Feb 14 17:59:56 2014 and finished after 17073 seconds
total bytes scrubbed: 2.95TiB with 2 errors
error details: read=2
corrected errors: 2, uncorrectable errors: 0, unverified errors: 0 |
In de week sindsdien heeft die schijf nu meer zulke fouten veroorzaakt: (deze waarden waren voor de scrub nog 0, direct erna was de nu-41-waarde 2.)
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| $ btrfs device stats /dev/sdc1 [/dev/sdc1].write_io_errs 0 [/dev/sdc1].read_io_errs 41 [/dev/sdc1].flush_io_errs 0 [/dev/sdc1].corruption_errs 0 [/dev/sdc1].generation_errs 0 $ btrfs device stats /dev/sdd [/dev/sdd].write_io_errs 0 [/dev/sdd].read_io_errs 0 [/dev/sdd].flush_io_errs 0 [/dev/sdd].corruption_errs 0 [/dev/sdd].generation_errs 0 |
Ik heb de SMART-statistieken een slinger gegeven, maar daar zie ik niets dat problemen aan lijkt te geven:
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| $ smartctl -a /dev/sdc1
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.12.9-2-ARCH] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Green (AF)
Device Model: WDC WD20EARS-00MVWB0
Serial Number: WD-WMAZA3236859
LU WWN Device Id: 5 0014ee 6ab72299d
Firmware Version: 51.0AB51
User Capacity: 2,000,397,852,160 bytes [2.00 TB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS (minor revision not indicated)
SATA Version is: SATA 2.6, 3.0 Gb/s
Local Time is: Wed Feb 19 21:01:15 2014 CET
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: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
Auto Offline Data Collection: Enabled.
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: (36960) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 357) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x3035) SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 253 166 021 Pre-fail Always - 1058
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 302
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0
9 Power_On_Hours 0x0032 074 074 000 Old_age Always - 19545
10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 98
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 31
193 Load_Cycle_Count 0x0032 070 070 000 Old_age Always - 390252
194 Temperature_Celsius 0x0022 109 103 000 Old_age Always - 41
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 196 196 000 Old_age Always - 1460
198 Offline_Uncorrectable 0x0030 200 199 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0008 200 198 000 Old_age Offline - 43
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed without error 00% 19440 -
# 2 Short offline Completed without error 00% 4754 - |
Mijn vraag is dus: wat zijn dit precies voor fouten die btrfs aangeeft, en moet ik deze disk met spoed gaan vervangen?
[ Voor 3% gewijzigd door kunnen op 19-02-2014 21:11 ]
Bedankt, ik ga er een nieuw schijfje in stoppen.
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