How to check OCR keys using OCRDUMP on RAC 12c To check the OCR keys values using ocrdump utility, please run below command: /u01/app/12.1.0/grid/bin/ocrdump.bin -stdout -keyname SYSTEM.version.hostnames [SYSTEM.version.hostnames] UNDEF : SECURITY : {USER_PERMISSION : PROCR_ALL_ACCESS, GROUP_PERMISSION : PROCR_READ, OTHER_PERMISSION : PROCR_READ, USER_NAME : root, GROUP_NAME : root} [SYSTEM.version.hostnames.rac_node1] ORATEXT : 12.1.0.2.0 SECURITY : {USER_PERMISSION : PROCR_ALL_ACCESS, GROUP_PERMISSION : PROCR_READ, OTHER_PERMISSION : PROCR_READ, USER_NAME : root, GROUP_NAME : root} [SYSTEM.version.hostnames.rac_node1.patchlevel] UB4 (10) : 0 SECURITY : {USER_PERMISSION : PROCR_ALL_ACCESS, GROUP_PERMISSION : PROCR_READ, OTHER_PERMISSION : PROCR_READ, USER_NAME : root, GROUP_NAME : root} [SYSTEM.version.hostnames.rac_node2] ORATEXT : 12.1.0.2.0 SECURITY : {USER_PERMISSION : PROCR_ALL_ACCESS, GROUP_PERMISSION : PROCR_READ, OTHER_PERMISSION : PROCR_READ, USER_NAME :...