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Device-mapper Multipath configuration for Sun 6180 Storage Array (RDAC) (Doc ID 1500644.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle VM - Version 3.1.1 to 3.2.1 [Release OVM31 to OVM32]
Linux x86-64

Goal

You want to fix the following issue for Oracle VM Server when Sun 6180 Storage Array is connected as shared, external storage via FC-SAN.

Indication of such symptom can be displayed from /var/log/messages, like the following for each volume:

kernel: sd 7:0:0:1: [sdd] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
kernel: sd 7:0:0:1: [sdd] Sense Key : Illegal Request [current]
kernel: sd 7:0:0:1: [sdd] <> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1
kernel: sd 7:0:0:1: [sdd] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
kernel: end_request: I/O error, dev sdd, sector 0

Solution

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