Review the information on the error logs that you must access:
To check the Oracle installation error log, you must access:
$ORACLE_BASE/oraInventory/logs/installActionsdate_time.log
This file contains the errors that occurred during installation. It clarifies the nature of the error and at exactly which point it occurred during the installation. If there are any installation problems, you must send this file to Tech Support for debugging the issue.
To check the log file, you must access:
/var/VRTSvcs/log/engine_A.log /var/VRTSvcs/log/Oracle_A.log /var/VRTSvcs/log/Netlsnr_A.log
/var/VRTSvcs/log/ASMInst_A.log /var/VRTSvcs/log/ASMDG_A.log
These files contain all the actions that the VCS engine and other agents for Oracle perform.