On Sunday 10 March 2013 07:21 PM, Frank Fegert wrote: > ststnagios02:~# dmesg | tail > [6835466.341578] sd 0:0:1:0: [sda] CDB: Read(10): 28 00 00 00 00 00 00 00 08 > 00 > [6835466.341592] end_request: I/O error, dev sda, sector 0 > [6835467.341974] sd 1:0:1:0: [sdb] Unhandled error code > [6835467.341983] sd 1:0:1:0: [sdb] Result: hostbyte=DID_ERROR > driverbyte=DRIVER_OK > [6835467.341990] sd 1:0:1:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 > 00 > [6835467.342003] end_request: I/O error, dev sdb, sector 0 > [6835471.342506] sd 0:0:1:0: [sda] Unhandled error code > [6835471.342516] sd 0:0:1:0: [sda] Result: hostbyte=DID_ERROR > driverbyte=DRIVER_OK > [6835471.342523] sd 0:0:1:0: [sda] CDB: Read(10): 28 00 00 00 00 00 00 00 08 > 00 > [6835471.342536] end_request: I/O error, dev sda, sector 0 > > ststnagios02:~# /sbin/scsiinfo -l > /dev/sda /dev/sdb > > ststnagios02:~# /sbin/scsiinfo -i /dev/sda > INQUIRY command status = 1 > > ststnagios02:~# /sbin/scsiinfo -i /dev/sdb > INQUIRY command status = 1 > > The Debian system is currently still in the "floating" state, so if > there's any other test you'd like me to run, that'd be no problem. > All other AIX systems on the test hardware sucessfully recovered their > paths though.
That means multipath is reporting the correct status. The scsi devices never recovered. What is the device driver (and HBA) that is under use? Is it supported under Debian? I see you are on 2.6.39. Have you tried with a newer kernel? You should also check if rescanning the SCSI bus changes any state. Use rescan-scsi-bus. -- Ritesh Raj Sarraf RESEARCHUT - http://www.researchut.com "Necessity is the mother of invention."
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