scsi 0:0:0:0: rdac: LUN 0 (unowned)
sd 0:0:0:1: rdac: LUN 1 (owned)
scsi 1:0:0:0: rdac: LUN 0 (unowned)
sd 1:0:0:1: rdac: LUN 1 (unowned)
rdac: device handler registered
device-mapper: multipath: Using scsi_dh module scsi_dh_rdac for failover/failback and device management.
device-mapper: table: 253:2: multipath: error getting device
device-mapper: ioctl: error adding target to table
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