To Export cluster registry
$srvconfig -exp file_name
To Import Cluster registry
$srvconfig -imp file_name
To Upgrade the database cluster registry and database configuration
$srvconfig -upgrade -dbname database_name -orahome oracle_homename
To Downgrade the database cluster registry and database configuration (This is rarely used in case of any upgrade failure)
$srvconfig -downgrade -dbname database_name -orahome oracle_homename -version version_dtl
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