Get LUN WWID on RHEL

Getting the LUN WWID on RHEL is critical when dealing with multiple different Storage systems.  You can use the scsi_id command to find a WWID

scsi_id -g -u -s /block/sdd

Will return the WWID of the devices.  In addition if you install device-mapper-multipath you can use the lssci tool to output all lun’s and what storage system they belong to.

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