1.检查RAC所有资源的状态
查看集群资源状态信息，看到19c实际相对18c来说，有做很多的精简，更趋于稳定性因素考虑。
[grid@node2 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE node1 STABLE
ONLINE ONLINE node2 STABLE
ora.chad
ONLINE ONLINE node1 STABLE
ONLINE ONLINE node2 STABLE
ora.net1.network
ONLINE ONLINE node1 STABLE
ONLINE ONLINE node2 STABLE
ora.ons
ONLINE ONLINE node1 STABLE
ONLINE ONLINE node2 STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
1 ONLINE ONLINE node1 STABLE
2 ONLINE ONLINE node2 STABLE
3 ONLINE OFFLINE STABLE
ora.DATA.dg(ora.asmgroup)
1 ONLINE ONLINE node1 STABLE
2 ONLINE ONLINE node2 STABLE
3 OFFLINE OFFLINE STABLE
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE node2 STABLE
ora.LISTENER_SCAN2.lsnr
1 ONLINE ONLINE node1 STABLE
ora.LISTENER_SCAN3.lsnr
1 ONLINE ONLINE node1 STABLE
ora.RECO.dg(ora.asmgroup)
1 ONLINE ONLINE node1 STABLE
2 ONLINE ONLINE node2 STABLE
3 OFFLINE OFFLINE STABLE
ora.asm(ora.asmgroup)
1 ONLINE ONLINE node1 Started,STABLE
2 ONLINE ONLINE node2 Started,STABLE
3 OFFLINE OFFLINE STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
1 ONLINE ONLINE node1 STABLE
2 ONLINE ONLINE node2 STABLE
3 OFFLINE OFFLINE STABLE
ora.cvu
1 ONLINE ONLINE node1 STABLE
ora.db193h1.db
1 ONLINE ONLINE node1 Open,HOME=/u01/app/o
racle/product/19.3.0
.0/dbhome_1,STABLE
2 ONLINE ONLINE node2 Open,HOME=/u01/app/o
racle/product/19.3.0
.0/dbhome_1,STABLE
ora.node1.vip
1 ONLINE ONLINE node1 STABLE
ora.node2.vip
1 ONLINE ONLINE node2 STABLE
ora.qosmserver
1 ONLINE ONLINE node1 STABLE
ora.scan1.vip
1 ONLINE ONLINE node2 STABLE
ora.scan2.vip
1 ONLINE ONLINE node1 STABLE
ora.scan3.vip
1 ONLINE ONLINE node1 STABLE
--------------------------------------------------------------------------------
2.检查CRS的状态
[grid@node2 ~]$ crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
3.单独检查CSS的状态
[grid@node2 ~]$ crsctl check css
CRS-4529: Cluster Synchronization Services is online
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