※1、机器清单机器名ip系统版本DB版本SIDrac1（source）192.168.167.110CentOS release 6.8 (Final)oracle11G R2rac1rac2（target）192.168.167.111CentOS release 6.8 (Final)oracl
1、System infocat /etc/redhat-releaseDistributor ID: CentOS#CentOS Linux release 7.9.2009 (Core)redhat-72、Memery infofreeMema、grep MemTotal /proc/memin
