ロードバランス
フェイルオーバ
ractest=
(DESCRIPTION=
(ADDRESS_LIST=
(LOAD_BALANCE=on)
(FAILOVER=on)
(ADDRESS=(PROTOCOL=tcp)(HOST=mmdb131-vip)(PORT=1522))
(ADDRESS=(PROTOCOL=tcp)(HOST=mmdb132-vip)(PORT=1522)))
(CONNECT_DATA=
(SERVICE_NAME=CRM)))
echo 'select instance_name from v$instance;' | sqlplus system/oracle@ractest
srvctl stop instance -d CRM -i CRM1
crsctl stat res ora.crm.db -t
srvctl start instance -d CRM -i CRM1
