????3????RAC???????????????
????node1-> olsnodes
????node1
????node2
????node1-> olsnodes -n -i -s           ---  -n?г?????? -i?г?????ip -s?г???
????node1   1       node1-vip       Active
????node2   2       node2-vip       Active
????4????RAC?????????汾???
????1????????????e汾???
????node1-> crsctl query crs activeversion
????Oracle Clusterware active version on the cluster is [11.2.0.4.0]
????2?????????????а汾???
????node1-> crsctl query crs releaseversion
????Oracle High Availability Services release version on the local node is [11.2.0.4.0]
????3??????????????汾???
????node1-> crsctl query crs softwareversion
????Oracle Clusterware version on node [node1] is [11.2.0.4.0]
????5????????????????????
????node1-> crsctl query css votedisk
????##  STATE    File Universal Id                File Name Disk group
????--  -----    -----------------                --------- ---------
????1. ONLINE   2a0486c2db354fbfbf5d5d3b6b2af4fd (ORCL:VOL1) [GRIDDG]
????Located 1 voting disk(s).
????6??????DNS??????????
????node1-> crsctl query dns -servers
????CRS-10018: the following configuration was found on the system:
????CRS-10019: There are 1 domains in search order. They are:
????localdomain
????CRS-10022: There are 1 name servers. They are:
????172.16.0.191
????CRS-10020: number of retry attempts for name lookup is: 4
????CRS-10021: timeout for each name lookup is: 5
?????????????????
????node1-> cat /etc/resolv.conf
????search localdomain
????nameserver 172.16.0.191
????7???????SCAN VIP???
????node1-> srvctl config scan
????SCAN name: scan-cluster.localdomain?? Network: 1/172.16.0.0/255.255.240.0/eth0
????SCAN VIP name: scan1?? IP: /scan-cluster.localdomain/172.16.0.203
????node1-> srvctl config scan_listener
????SCAN Listener LISTENER_SCAN1 exists. Port: TCP:1521
????8????OCR???
????[root@node1 bin]# ./ocrcheck -local
????Status of Oracle Local Registry is as follows :
????Version                  :          3
????Total space (kbytes)     :     262120
????Used space (kbytes)      :       2676
????Available space (kbytes) :     259444
????ID                       : 1155296004
????Device/File Name         : /u01/app/11.2.0/grid/cdata/node1.olr
????Device/File integrity check succeeded
????Local registry integrity check succeeded
????Logical corruption check succeeded
????9????OCR?????????????
????node1-> ocrconfig -showbackup
????node1     2015/04/20 15:58:34     /u01/app/11.2.0/grid/cdata/scan-cluster/backup00.ocr
????node1     2015/04/20 15:58:34     /u01/app/11.2.0/grid/cdata/scan-cluster/day.ocr
????node1     2015/04/20 15:58:34     /u01/app/11.2.0/grid/cdata/scan-cluster/week.ocr
????PROT-25: Manual backups for the Oracle Cluster Registry are not available
????10??????????????
????1????RAC?????
????node1-> srvctl stop database -d devdb
????2???????????
????[root@node1 ~]# cd /u01/app/11.2.0/grid/bin
????[root@node1 bin]# ./crsctl stop cluster -all
????3????????????
????[root@node1 bin]# pwd
????/u01/app/11.2.0/grid/bin
????[root@node1 bin]# ./crsctl start cluster -all
????4?????RAC?????
????node1-> srvctl start database -d devdb