Cluster Synchronization Services in Oracle 10G ASM

Automatic storage Management

Cluster Synchronization Services - CSS

The Cluster Synchronization Services is required to enable synchronization between ASM and its client database.
The CSS daemon is configured to start upon reboot while creating database using DBCA.
If we didn't use DBCA to create the database, we must ensure that the CSS daemon is running before starting ASM instance.

How to check CSS daemon is running

Linux

1. Issue the command crsctl check cssd

If CSS daemon is running the message result is CSS appears healthy.

2.To start CSS daemon and configure the host to always start the daemon with root.

3.Ensure $ORACLE_HOME/bin in PATH environment variable

4. localconfig add

Windows

1.

C:\>crsctl check cssd
Cluster Synchronization Services appears healthy

2. Open windows services and search for OracleCSService


Ref:Oracle Doc