[Xen-bugs] [Bug 433] New: scsi: Device offlined - not ready after error recovery

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=433

           Summary: scsi: Device offlined - not ready after error recovery
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: hien1@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx,pl@xxxxxxxxxx


Hardware: HS20 32 bit 2 way 
Intel(R) Xeon(TM) CPU 3.06GHz

Base OS: SLES9 SP2 GA

SAN storage (FAStT600 attached to QLogic 2300 module) showed up as scsi disks.

when running filesystem test on SAN disks with extended time, the access to the
disk has been blocked and the errors started showing up on /var/log/messages
after 192 hour test run.

.....
Nov 29 18:48:03 bl3-5 kernel: scsi: Device offlined - not ready after error
recovery: host 0 channel 0 id 0 lun 0
Nov 29 18:48:03 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:03 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:03 bl3-5 kernel: FAILED
Nov 29 18:48:03 bl3-5 kernel:   status = 0, message = 00, host = 0, driver = 06
Nov 29 18:48:05 bl3-5 kernel:   <3>scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: Buffer I/O error on device sda1, logical block 
205266
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: Buffer I/O error on device sda1, logical block 
241424
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: Buffer I/O error on device sda1, logical block 
253178
Nov 29 18:48:05 bl3-5 kernel: scsi0 (0:0): rejecting I/O to offline device
Nov 29 18:48:05 bl3-5 kernel: Buffer I/O error on device sda1, logical block 
4056
Nov 29 18:48:05 bl3-5 kernel: lost page write due to I/O error on sda1
Nov 29 18:48:05 bl3-5 kernel: Buffer I/O error on device sda1, logical block 
4057
Nov 29 18:48:05 bl3-5 kernel: lost page write due to I/O error on sda1
......

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