oralce11g RAC 启动后 CRS-0184: Cannot communicate with the CRS daemon.

很奇怪的一个问题！

ORACLE数据库服务器，系统启动之后，查看集群状态，发现CRS实例不可用，然后网上查找资料；

隔了几分钟之后，再次查询相关集群服务状态，发现正常了！！！

暂时得出的结论：操作系统启动之后，默认相关集群服务是自动启动的，但是，开机后，需要加载或者集群服务启动需要一段时间，等几分钟之后，集群服务才能准备 就绪！！！ 文末，有一篇其他情况的解决方式。

[root@oracle01 ~]# /u01/app/11.2.0.4/grid/bin/crsctl start crs
CRS-4640: Oracle High Availability Services is already active
CRS-4000: Command Start failed, or completed with errors.
[root@oracle01 ~]# su - grid
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ crs_stat -t -v 
CRS-0184: Cannot communicate with the CRS daemon.

[grid@oracle01 ~]$ crs_stat -t -v
Name           Type           R/RA   F/FT   Target    State     Host        
----------------------------------------------------------------------
ora.BAK.dg     ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.DATA.dg    ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.FRA.dg     ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora....ER.lsnr ora....er.type 0/5    0/     OFFLINE   OFFLINE               
ora....N1.lsnr ora....er.type 0/5    0/0    ONLINE    ONLINE    oracle01 
ora.OCRVOTE.dg ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.asm        ora.asm.type   0/5    0/     ONLINE    ONLINE    oracle01 
ora.cvu        ora.cvu.type   0/5    0/0    ONLINE    ONLINE    oracle01 
ora.ebjdb.db   ora....se.type 0/2    0/1    OFFLINE   OFFLINE               
ora....SM1.asm application    0/5    0/0    ONLINE    ONLINE    oracle01 
ora....01.lsnr application    0/5    0/0    OFFLINE   OFFLINE               
ora....e01.gsd application    0/5    0/0    OFFLINE   OFFLINE               
ora....e01.ons application    0/3    0/0    ONLINE    ONLINE    oracle01 
ora....e01.vip ora....t1.type 0/0    0/0    OFFLINE   OFFLINE               
ora....SM2.asm application    0/5    0/0    ONLINE    ONLINE    oracle02 
ora....02.lsnr application    0/5    0/0    OFFLINE   OFFLINE               
ora....e02.gsd application    0/5    0/0    OFFLINE   OFFLINE               
ora....e02.ons application    0/3    0/0    ONLINE    ONLINE    oracle02 
ora....e02.vip ora....t1.type 0/0    0/0    ONLINE    ONLINE    oracle02 
ora.gsd        ora.gsd.type   0/5    0/     OFFLINE   OFFLINE               
ora....network ora....rk.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.oc4j       ora.oc4j.type  0/1    0/2    ONLINE    ONLINE    oracle01 
ora.ons        ora.ons.type   0/3    0/     ONLINE    ONLINE    oracle01 
ora....ry.acfs ora....fs.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.scan1.vip  ora....ip.type 0/0    0/0    ONLINE    ONLINE    oracle01 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ 
[grid@oracle01 ~]$ crs_stat -t -v
Name           Type           R/RA   F/FT   Target    State     Host        
----------------------------------------------------------------------
ora.BAK.dg     ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.DATA.dg    ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.FRA.dg     ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora....ER.lsnr ora....er.type 0/5    0/     OFFLINE   OFFLINE               
ora....N1.lsnr ora....er.type 0/5    0/0    ONLINE    ONLINE    oracle01 
ora.OCRVOTE.dg ora....up.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.asm        ora.asm.type   0/5    0/     ONLINE    ONLINE    oracle01 
ora.cvu        ora.cvu.type   0/5    0/0    ONLINE    ONLINE    oracle01 
ora.ebjdb.db   ora....se.type 0/2    0/1    OFFLINE   OFFLINE               
ora....SM1.asm application    0/5    0/0    ONLINE    ONLINE    oracle01 
ora....01.lsnr application    0/5    0/0    OFFLINE   OFFLINE               
ora....e01.gsd application    0/5    0/0    OFFLINE   OFFLINE               
ora....e01.ons application    0/3    0/0    ONLINE    ONLINE    oracle01 
ora....e01.vip ora....t1.type 0/0    0/0    OFFLINE   OFFLINE               
ora....SM2.asm application    0/5    0/0    ONLINE    ONLINE    oracle02 
ora....02.lsnr application    0/5    0/0    OFFLINE   OFFLINE               
ora....e02.gsd application    0/5    0/0    OFFLINE   OFFLINE               
ora....e02.ons application    0/3    0/0    ONLINE    ONLINE    oracle02 
ora....e02.vip ora....t1.type 0/0    0/0    ONLINE    ONLINE    oracle02 
ora.gsd        ora.gsd.type   0/5    0/     OFFLINE   OFFLINE               
ora....network ora....rk.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.oc4j       ora.oc4j.type  0/1    0/2    ONLINE    ONLINE    oracle01 
ora.ons        ora.ons.type   0/3    0/     ONLINE    ONLINE    oracle01 
ora....ry.acfs ora....fs.type 0/5    0/     ONLINE    ONLINE    oracle01 
ora.scan1.vip  ora....ip.type 0/0    0/0    ONLINE    ONLINE    oracle01

 其他情况的解决方式：http://www.codesec.net/view/493301.html