/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 ;-) 

SRVCTL

Add/ Start/ Knw the Services using SRVCTL :

2 Add Service :

$srvctl add service -d ORAPLAYERS -s SERVICE_NAME -r ORAPLAYERS1,ORAPLAYERS2 -a ORAPLAYERS3

Note : Here -r indicate the instance(s) the services will preferably directs to where as -a indicates the Instance where it will direct to if preferred instances are not accessible.

Tip : Using -r -a options you can make certain jobs to run on a particular instance by assigning them to a service defined in the way you like.

2 Start Service :

$srvctl start service -d ORAPLAYERS -s SERVICE_NAME

2 know the Services running per instance in detail:

$srvctl config service -d ORAPLAYERS

2 knw the running Jobs

dba_scheduler_jobs

2 knw where they r running

dba_scheduler_running_jobs

UR's Key Run ;-) 

OHASD Daemon 4m 11g R2 RAC

Oracle High Availability Services (OHAS) is a new process introduced in 11g RAC ( 11g R2 ). Implemented via a new demon Oracle High Availability Services Daemon ( OHASD ).


The background proc involved are :-
Grid Plug and Play (GPNPD): 
Grid Interprocess Communication (GIPC)
Multicast Domain Name Service (mDNS)
Oracle Grid Naming Service (GNS) 


Health Check :
$crsctl check has
CRS-4638: Oracle High Availability Services is online



UR's Key Run ;-)