Unhandled error code

Solution Unverified - Updated -

Issue

  • One of our ESX hosts lost two of four path to a LUN / Datastore. The Datastore was still reachable over the other two paths. All linux guests on this ESX hosts showed the following error messages.
kernel: sd 4:0:0:0: [sdn] Unhandled error code
kernel: sd 4:0:0:0: [sdn] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
kernel: sd 4:0:0:0: [sdn] CDB: Write(10): 2a 00 00 00 0f f8 00 00 08 00

Environment

  • Red Hat Enterprise Linux (RHEL) 6.5

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