The output displayed by probe-scsi-all lists all SCSI devices in the server and provides a basic set of information about each device. When analyzing the probe-scsi-all output, look for the following data fields that are different names for the same device. You must use a specific type of name in different commands.
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At a high level, the WWN mapping process consists of the following stages:
Identify the physical location of the hard drive that is to be the target of the operation.
Identify the controller port that is attached to that physical location.
Find the WWN-based device name of the drive attached to that controller port.