11gR2 RAC: Important Trace Directories & Log Locations

Please find the structured 11gR2 GI Clusterware log locations and its relevancy.

 Directory structured:

 Source: Oracle Documentation

Log Locations

Trace File	11gR2 Trace Location	Description
Kernel syslog file	Vendor-specific, e.g. /var/log/syslog/*	OS or vendor clusterware events, including node reboot times
CSS logs	<CRSHome>/log/<hostname>/cssd	Oracle Clusterware cluster synchronization services (CSS)To get more tracing, issue `crsctl set css trace 2` as root
CRS logs	<CRSHome>/log/<hostname>/crsd	Oracle Clusterware cluster ready services (CRS) management and HA policy tracing; one log per RAC host
EVM logs	<CRSHome>/log/<hostname>/evmd	Oracle Clusterware event management layer tracing; one log per RAC host
OHAS logs(11R2 only)	<CRSHome>/log/<hostname>/ohasd	Oracle High Availabilityservice daemon; one log per RAC host
MDNS logs(11R2 only)	<CRSHome>/log/<hostname>/mdnsd	Multicast Domain NameService Daemon; one log per RAC host.
GPNP logs(11R2 only)	<CRSHome>/log/<hostname>/gpnpd	Grid Plug and Play Daemon; one log per RAC host.
DISKMON logs(11R2 only)	<CRSHome>/log/<hostname>/diskmon	Disk Monitor daemon; one log per RAC host.
CTSS logs(11R2 only)	<CRSHome>/log/<hostname>/ctssd	Cluster Time SynchronizationService (CTSS); one log per RAC host.
SRVM logs	<CRSHome>/srvm/log	OCR tracing; to get more tracing, edit mesg_logging_level in srvm/admin/ocrlog.ini file; one log per RAC host
RDBMS logs	Depends on your setting, do a “show parameters dump_dest” under sqlplus prompt	RDBMS trace files, bdump/ cdump/ & udump/
ASM logs	Depends on your setting, do a “show parameters dump_dest” under sqlplus prompt	ASM trace files, bdump/ cdump/ & udump/
CRSD oraagent Logs(11R2 only)	<CRSHome>/log/<hostname>/agent/crsd/oraagent_<crs admin username>	Oracle agent (oraagent), which was known as RACG in 11R1.
CRSD orarootagent Logs (11R2 only)	<CRSHome>/log/<hostname>/agent/crsd/orarootagent_<crs admin username>	Oracle root agent (orarootagent), which manages crsd resources owned by root, such as network, vip and scan vip