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[dm-devel] Path updation while controller is rebooted.



Hi,

With latest RHEL 4 DM modules and user space tools, when the Storage controller is rebooted and if “multipath –ll” is executed, the command is hung for a while (because of retries) and outputs the following status:

 

3600508b400102a990000100000710000

[size=4 GB][features="0"][hwhandler="0"]

\_ round-robin 0 [enabled]

  \_ 0:0:0:3 sdc  8:32    [faulty][active]

  \_ 1:0:0:3 sdi  8:128   [faulty][active]

\_ round-robin 0 [enabled]

  \_ 0:0:1:3 sdf  8:80    [faulty][active]

  \_ 1:0:1:3 sdl  8:176   [ready ][failed]

 

IO is not exercised during the above test. I have tested the same by changing the Qlogic parameters for increasing the timeout/retry values. The following are the various options used for testing. Each line below have the Qlogic options which are used for building initrd images.

 

options qla2xxx ql2xretrycount=40

options qla2xxx ql2xretrycount=60

options qla2xxx  qlport_down_retry=10 ql2xretrycount=60

 

There is not much change in the time taken for executing “multipath –ll” command.  Just that the command is hung for 40-60 sec.

 

If we have longer retry counts and if the controller takes less time like a minute to reboot, the status should have been updated as the contoller is back online within that time.  But in the subsequent path verification daemon (multipathd) the path status gets updated properly.

 

The problem is when IO is running on these devices, after the controller reboots,

 

“dd” reports -  

 

dd: reading `/dev/3600508b400102a990000100000710000’: Input/output error  

 

This continues till the next path verification is done. Attached is the log file.

 

Why does the status not updated correctly? How should I be setting the HBA (Qlogic in my case) for retry counts and command timeouts ?

 

Thanks and regards

-Murthy

 

Aug 17 20:50:21 lxeagle kernel: SCSI error : <1 0 0 3> return code = 0x20000
Aug 17 20:50:21 lxeagle kernel: end_request: I/O error, dev sdi, sector 8027768
Aug 17 20:50:21 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:128.
Aug 17 20:50:21 lxeagle kernel: end_request: I/O error, dev sdi, sector 8027776
Aug 17 20:50:21 lxeagle kernel: SCSI error : <1 0 0 3> return code = 0x20000
Aug 17 20:50:21 lxeagle kernel: end_request: I/O error, dev sdi, sector 8027856
Aug 17 20:50:21 lxeagle kernel: end_request: I/O error, dev sdi, sector 8027864
Aug 17 20:50:21 lxeagle multipathd: 8:32: reinstated
Aug 17 20:50:21 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:21 lxeagle multipathd: devmap event (6) on red
Aug 17 20:50:21 lxeagle multipathd: 8:48: tur checker reports path is up 
Aug 17 20:50:21 lxeagle multipathd: 8:48: reinstated
Aug 17 20:50:21 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:21 lxeagle multipathd: 8:64: tur checker reports path is up 
Aug 17 20:50:21 lxeagle multipathd: 8:64: reinstated
Aug 17 20:50:21 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:21 lxeagle multipathd: 8:80: tur checker reports path is up 
Aug 17 20:50:21 lxeagle multipathd: 8:80: reinstated
Aug 17 20:50:21 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:21 lxeagle multipathd: 8:96: tur checker reports path is up 
Aug 17 20:50:21 lxeagle multipathd: 8:96: reinstated
Aug 17 20:50:21 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:21 lxeagle multipathd: 8:112: tur checker reports path is up 
Aug 17 20:50:22 lxeagle kernel: SCSI error : <0 0 0 3> return code = 0x20000
Aug 17 20:50:22 lxeagle multipathd: 8:112: reinstated
Aug 17 20:50:22 lxeagle kernel: end_request: I/O error, dev sdc, sector 8027768
Aug 17 20:50:22 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:22 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:32.
Aug 17 20:50:22 lxeagle multipathd: 8:128: tur checker reports path is up 
Aug 17 20:50:22 lxeagle kernel: end_request: I/O error, dev sdc, sector 8027776
Aug 17 20:50:22 lxeagle multipathd: 8:128: reinstated
Aug 17 20:50:22 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:22 lxeagle multipathd: 8:144: tur checker reports path is up 
Aug 17 20:50:22 lxeagle multipathd: 8:144: reinstated
Aug 17 20:50:22 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:22 lxeagle multipathd: 8:160: tur checker reports path is up 
Aug 17 20:50:22 lxeagle multipathd: 8:160: reinstated
Aug 17 20:50:22 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:22 lxeagle multipathd: 8:176: tur checker reports path is up 
Aug 17 20:50:22 lxeagle multipathd: 8:176: reinstated
Aug 17 20:50:22 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:22 lxeagle multipathd: devmap event (9) on 3600508b400102a9900001000005f0000
Aug 17 20:50:22 lxeagle multipathd: devmap event (9) on 3600508b400102a9900001000006b0000
Aug 17 20:50:22 lxeagle multipathd: devmap event (9) on red
Aug 17 20:50:22 lxeagle multipathd: devmap event (10) on red
Aug 17 20:50:23 lxeagle kernel: SCSI error : <1 0 1 3> return code = 0x20000
Aug 17 20:50:23 lxeagle kernel: end_request: I/O error, dev sdl, sector 8027768
Aug 17 20:50:23 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:176.
Aug 17 20:50:23 lxeagle kernel: end_request: I/O error, dev sdl, sector 8027776
Aug 17 20:50:33 lxeagle kernel: SCSI error : <0 0 1 3> return code = 0x20000
Aug 17 20:50:33 lxeagle kernel: end_request: I/O error, dev sdf, sector 8027768
Aug 17 20:50:33 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:80.
Aug 17 20:50:33 lxeagle kernel: end_request: I/O error, dev sdf, sector 8027776
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003472
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003473
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003474
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003475
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003476
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003477
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003478
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003479
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003480
Aug 17 20:50:33 lxeagle multipathd: 8:0: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003481
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:0 in map 3600508b400102a9900001000005f0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003482
Aug 17 20:50:33 lxeagle multipathd: devmap event (10) on 3600508b400102a9900001000005f0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003483
Aug 17 20:50:33 lxeagle multipathd: 8:16: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003484
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:16 in map 3600508b400102a9900001000006b0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003485
Aug 17 20:50:33 lxeagle multipathd: devmap event (10) on 3600508b400102a9900001000006b0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003486
Aug 17 20:50:33 lxeagle multipathd: 8:32: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003487
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:32 in map red
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003488
Aug 17 20:50:33 lxeagle multipathd: 8:48: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003489
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:48 in map 3600508b400102a9900001000005f0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003490
Aug 17 20:50:33 lxeagle multipathd: 8:64: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003491
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:64 in map 3600508b400102a9900001000006b0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003492
Aug 17 20:50:33 lxeagle multipathd: 8:80: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003493
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:80 in map red
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003494
Aug 17 20:50:33 lxeagle multipathd: 8:96: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003495
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:96 in map 3600508b400102a9900001000005f0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003496
Aug 17 20:50:33 lxeagle multipathd: 8:112: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003497
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:112 in map 3600508b400102a9900001000006b0000
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003498
Aug 17 20:50:33 lxeagle multipathd: 8:128: tur checker reports path is down 
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003499
Aug 17 20:50:33 lxeagle multipathd: checker failed path 8:128 in map red
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003500
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003501
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003502
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003503
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003504
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003505
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003506
Aug 17 20:50:33 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003507
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003508
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003509
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003510
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003511
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003512
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003513
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:0.
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003471
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:16.
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1003471
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:48.
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:64.
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:96.
Aug 17 20:50:34 lxeagle kernel: device-mapper: dm-multipath: Failing path 8:112.
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:34 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:35 lxeagle kernel: Buffer I/O device dm-2, logical block 12
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:35 lxeagle multipathd: 8:144: tur checker reports path is down 
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:35 lxeagle multipathd: checker failed path 8:144 in map 3600508b400102a9900001000005f0000
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:35 lxeagle multipathd: 8:160: tur checker reports path is down 
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:35 lxeagle multipathd: checker failed path 8:160 in map 3600508b400102a9900001000006b0000
Aug 17 20:50:35 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:35 lxeagle multipathd: 8:176: tur checker reports path is down 
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:36 lxeagle multipathd: checker failed path 8:176 in map red
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:36 lxeagle multipathd: devmap event (13) on red
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:36 lxeagle multipathd: devmap event (13) on 3600508b400102a9900001000005f0000
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:36 lxeagle multipathd: devmap event (13) on 3600508b400102a9900001000006b0000
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:36 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm- device dm-2, logical block 12
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:37 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm- device dm-2, logical block 12
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:38 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:39 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm- device dm-2, logical block 12
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:40 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm- device dm-2, logical block 12
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:41 lxeagle multipathd: 8:0: tur checker reports path is up 
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:41 lxeagle multipathd: 8:0: reinstated
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:41 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:41 lxeagle multipathd: devmap event (14) on 3600508b400102a9900001000005f0000
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:41 lxeagle multipathd: 8:16: tur checker reports path is up 
Aug 17 20:50:41 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:42 lxeagle multipathd: 8:16: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:42 lxeagle multipathd: devmap event (14) on 3600508b400102a9900001000006b0000
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:42 lxeagle multipathd: 8:32: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:42 lxeagle multipathd: 8:32: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:42 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:42 lxeagle multipathd: devmap event (14) on red
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:42 lxeagle multipathd: 8:48: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:42 lxeagle multipathd: 8:48: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:42 lxeagle multipathd: 8:64: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:42 lxeagle multipathd: 8:64: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:42 lxeagle multipathd: 8:80: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:42 lxeagle multipathd: 8:80: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:42 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:42 lxeagle multipathd: 8:96: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:42 lxeagle multipathd: 8:96: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:42 lxeagle multipathd: 8:112: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:42 lxeagle multipathd: 8:112: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:42 lxeagle multipathd: 8:128: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:42 lxeagle multipathd: 8:128: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:42 lxeagle multipathd: red: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:42 lxeagle multipathd: 8:144: tur checker reports path is up 
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:42 lxeagle multipathd: 8:144: reinstated
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:42 lxeagle multipathd: 3600508b400102a9900001000005f0000: switch to path group #1
Aug 17 20:50:42 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:43 lxeagle multipathd: 8:160: tur checker reports path is up 
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle multipathd: 8:160: reinstated
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle multipathd: 3600508b400102a9900001000006b0000: switch to path group #1
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:43 lxeagle multipathd: 8:176: tur checker reports path is up 
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:43 lxeagle multipathd: 8:176: reinstated
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:43 lxeagle multipathd: devmap event (17) on 3600508b400102a9900001000005f0000
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:43 lxeagle multipathd: devmap event (17) on 3600508b400102a9900001000006b0000
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:43 lxeagle multipathd: devmap event (17) on red
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 5
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 6
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 7
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 8
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 9
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 10
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 11
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 12
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm- device dm-2, logical block 12
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 13
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 14
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 15
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:43 lxeagle kernel: Buffer I/O error on device dm-2, logical block 0
Aug 17 20:50:44 lxeagle kernel: Buffer I/O error on device dm-2, logical block 1
Aug 17 20:50:44 lxeagle kernel: Buffer I/O error on device dm-2, logical block 2
Aug 17 20:50:44 lxeagle kernel: Buffer I/O error on device dm-2, logical block 3
Aug 17 20:50:44 lxeagle kernel: Buffer I/O error on device dm-2, logical block 4

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