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ATA bus error SError: { PHYRdyChg DevExch }

ATA bus error in /var/log/messages:
SCSI device sdb: 490350672 512-byte hdwr sectors (251060 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0xe frozen
ata1.00: irq_stat 0x00400040, connection status changed
ata1: SError: { PHYRdyChg DevExch }
ata1.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
         res 40/00:c4:d1:67:e4/00:00:03:00:00/40 Emask 0x10 (ATA bus error)
ata1.00: status: { DRDY }
ata1: hard resetting link
ata1: link is slow to respond, please be patient (ready=0)
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1.00: configured for UDMA/133
ata1: EH complete
SCSI device sda: 490350672 512-byte hdwr sectors (251060 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
md: syncing RAID array md0
md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
md: using 128k window, over a total of 104320 blocks.
md: delaying resync of md1 until md0 has finished resync (they share one or more physical units)
md: md0: sync done.
md: syncing RAID array md1
RAID1 conf printout:
md: minimum _guaranteed_ reconstruction speed: 1000 KB/sec/disc.
md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for reconstruction.
md: using 128k window, over a total of 8385856 blocks.
 — wd:2 rd:2
 disk 0, wo:0, o:1, dev:sda1
 disk 1, wo:0, o:1, dev:sdb1
md: md1: sync done.
RAID1 conf printout:
 — wd:2 rd:2
 disk 0, wo:0, o:1, dev:sda2
 disk 1, wo:0, o:1, dev:sdb2
 cat /proc/mdstat 
Personalities : [raid1] 
md0 : active raid1 sdb1[1] sda1[0]
      104320 blocks [2/2] [UU]      
md1 : active raid1 sdb2[1] sda2[0]
      8385856 blocks [2/2] [UU]      
md2 : active raid1 sdb3[1] sda3[0]
      236677504 blocks [2/2] [UU]
smartctl -a /dev/sdb
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model:     WDC WD2502ABYS-01B7A0
Serial Number:    WD-WCAT1C148773
Firmware Version: 02.03B02
User Capacity:    251,059,544,064 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   8
ATA Standard is:  Exact ATA specification draft version not indicated
Local Time is:    Mon Jun 20 03:23:22 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:  (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: (4800) 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: (  59) minutes.
Conveyance self-test routine
recommended polling time: (   5) minutes.
SCT capabilities:       (0x303f) 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   200   195   021    Pre-fail  Always       –       1000
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       –       36
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       –       0
  7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always     &nbsp
; –       0
  9 Power_On_Hours          0x0032   078   078   000    Old_age   Always       –       16351
 10 Spin_Retry_Count        0x0032   100   253   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       –       33
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       –       30
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       –       36
194 Temperature_Celsius     0x0022   112   099   000    Old_age   Always       –       31
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       –       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       –       0
198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      –       1
199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       –       0
200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      –       1
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  Extended offline    Completed without error       00%        51         –
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.
Poor quality SATA cables possibly,may need change SATA cables.
ref link:
https://ata.wiki.kernel.org/index.php/Libata_error_messages
 

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该日志由 2hei 于2011年06月20日发表在 linux 分类下,
原创文章转载请注明: ATA bus error SError: { PHYRdyChg DevExch } | 2hei's site
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