Veritas Netbackup : Unable to detect Robot from master server after Veritas Netbackup upgrade to 7.1.0.4.

 Below are the steps to rebuild the /dev/sg/* and /dev/rmt/* and to detect Robot devices on a Solaris server:  Note: Prior to below steps I have verified the outputs in cfgadm to check Tapes and Media Changer (Robot) status.  1.)  Check and create a backup copy...