1)查看数据库完整信息:
srvctl config database -db database dbname
2)重启数据库:
srvctl stop/start database -db dbname
3) 查看数据库服务是否运行正常在nodes上:
srvctl status service -db dbname
4) 查看listener是否正常运行在nodes上:
srvctl status listener
5) 重启listener
lsnrctl stop/start
6) 查看listener service
lsnrctl services
7)查看数据库名字
srvctl config database
Clean up GI and RAC DB
The following is the steps to clean up the environment:
stop database (srvctl stop database -d <DB_NAME> -o abort)
deconfig crs
#1. on every node except the first one,
cd <GI_HOME>/crs/install
./rootcrs.pl -deconfig -force (run as root)
#2. on the first node,
cd <GI_HOME>/crs/install
./rootcrs.pl -deconfig -force -lastnode (run as root)
clean up database (run as root)
rm -rf /u01/app (the location where <DB_HOME> and <GI_HOME> reside)
rm -rf /etc/oracle
rm -rf /etc/oratab
rm -rf /etc/oraInst.loc
rm -rf /var/tmp/.oracle
rm -rf /var/opt/oracle
rm -f /etc/init.d/ohasd
rm -f /etc/init.d/init.ohasd
rm -f /etc/init.d/init.tfs
dd the disks if you have configured ASM
reboot all hosts

本文档提供了Oracle RAC数据库及其Grid Infrastructure (GI) 的维护步骤,包括数据库和服务状态检查、重启操作、监听器管理及环境清理流程。适用于希望深入了解RAC维护实践的技术人员。
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