/where/is/d/logs.log

Daemon's nd their Logs :

Cluster Ready Services Daemon (crsd)                  $CRS_HOME/log/host_name/crsd
Oracle Cluster Registry (OCR)                              $CRS_HOME/log/host_name/client
Oracle Process Monitor Daemon (OPROCD)        /etc/oracle/host_name.oprocd.log
Cluster Synchronization Services (CSS)                 $CRS_HOME/log/host_name/cssd
Event Manager (EVM) logs                                   $CRS_HOME/log/host_name/evmd

UR's Key Run ;-)