方法二：可以使用crs_stop -f先强制停止服务，在启动服务（在一台节点上运行即可）；
具体步骤：

[oracle@rac2 ~]$ crs_stop -f ora.rac1.ons
Attempting to stop `ora.rac1.ons` on member `rac1`
Stop of `ora.rac1.ons` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac1.ons
Attempting to start `ora.rac1.ons` on member `rac1`
Start of `ora.rac1.ons` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac2.ons
Attempting to stop `ora.rac2.ons` on member `rac2`
Stop of `ora.rac2.ons` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac2.ons
Attempting to start `ora.rac2.ons` on member `rac2`
Start of `ora.rac2.ons` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac1.gsd
Attempting to stop `ora.rac1.gsd` on member `rac1`
Stop of `ora.rac1.gsd` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac1.gsd
Attempting to start `ora.rac1.gsd` on member `rac1`
Start of `ora.rac1.gsd` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac2.gsd
Attempting to stop `ora.rac2.gsd` on member `rac2`
Stop of `ora.rac2.gsd` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac2.gsd
Attempting to start `ora.rac2.gsd` on member `rac2`
Start of `ora.rac2.gsd` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac1.LISTENER_RAC1.lsnr
Attempting to stop `ora.rac1.LISTENER_RAC1.lsnr` on member `rac1`
Stop of `ora.rac1.LISTENER_RAC1.lsnr` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac1.LISTENER_RAC1.lsnr
Attempting to start `ora.rac1.LISTENER_RAC1.lsnr` on member `rac1`
Start of `ora.rac1.LISTENER_RAC1.lsnr` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac2.LISTENER_RAC2.lsnr
Attempting to stop `ora.rac2.LISTENER_RAC2.lsnr` on member `rac2`
Stop of `ora.rac2.LISTENER_RAC2.lsnr` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac2.LISTENER_RAC2.lsnr
Attempting to start `ora.rac2.LISTENER_RAC2.lsnr` on member `rac2`
Start of `ora.rac2.LISTENER_RAC2.lsnr` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac1.ASM1.asm
Attempting to stop `ora.rac1.ASM1.asm` on member `rac1`
Stop of `ora.rac1.ASM1.asm` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac1.ASM1.asm
Attempting to start `ora.rac1.ASM1.asm` on member `rac1`
Start of `ora.rac1.ASM1.asm` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.rac2.ASM2.asm
Attempting to stop `ora.rac2.ASM2.asm` on member `rac2`
Stop of `ora.rac2.ASM2.asm` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.rac2.ASM2.asm
Attempting to start `ora.rac2.ASM2.asm` on member `rac2`
Start of `ora.rac2.ASM2.asm` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.ora9i.ora9i1.inst
`ora.ora9i.ora9i1.inst` is already OFFLINE.
CRS-0216: Could not stop resource 'ora.ora9i.ora9i1.inst'.

[oracle@rac2 ~]$ crs_start -f ora.ora9i.ora9i1.inst
Attempting to start `ora.ora9i.ora9i1.inst` on member `rac1`
Start of `ora.ora9i.ora9i1.inst` on member `rac1` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.ora9i.ora9i2.inst
`ora.ora9i.ora9i2.inst` is already OFFLINE.
CRS-0216: Could not stop resource 'ora.ora9i.ora9i2.inst'.

[oracle@rac2 ~]$ crs_start -f ora.ora9i.ora9i2.inst
Attempting to start `ora.ora9i.ora9i2.inst` on member `rac2`
Start of `ora.ora9i.ora9i2.inst` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_stop -f ora.ora9i.db
Attempting to stop `ora.ora9i.db` on member `rac2`
Stop of `ora.ora9i.db` on member `rac2` succeeded.
[oracle@rac2 ~]$ crs_start -f ora.ora9i.db
Attempting to start `ora.ora9i.db` on member `rac1`
Start of `ora.ora9i.db` on member `rac1` succeeded.
 
 
[oracle@rac2 ~]$ crs_stat -t
Name           Type           Target    State     Host        
------------------------------------------------------------
ora.ora9i.db   application    ONLINE    ONLINE    rac1        
ora....i1.inst application    ONLINE    ONLINE    rac1        
ora....i2.inst application    ONLINE    ONLINE    rac2        
ora....SM1.asm application    ONLINE    ONLINE    rac1        
ora....C1.lsnr application    ONLINE    ONLINE    rac1        
ora.rac1.gsd   application    ONLINE    ONLINE    rac1        
ora.rac1.ons   application    ONLINE    ONLINE    rac1        
ora.rac1.vip   application    ONLINE    ONLINE    rac1        
ora....SM2.asm application    ONLINE    ONLINE    rac2        
ora....C2.lsnr application    ONLINE    ONLINE    rac2        
ora.rac2.gsd   application    ONLINE    ONLINE    rac2        
ora.rac2.ons   application    ONLINE    ONLINE    rac2        
ora.rac2.vip   application    ONLINE    ONLINE    rac2

总结：在rac环境中如果使用crs_stop -all去停rac服务时，很有可能会出现crs中的一些服务的状态是UNKNOWN，这时我们可以采用两种方法去重新启动crs服务：

1：转换到root用户下用/etc/init.d/init.crs stop先禁用crs，然后再用/etc/init.d/init.crs start去启用crs，启用crs后会自动启动crs的一系列服务，注意此种方法需要在两台节点上都执行；

2：是用crs_stop -f  参数把crs中状态是UNKNOWN的服务关掉，然后再用crs_start -f （加一个-f的参数）启动所有的服务就可以。参考：http://www.rachelp.nl/index_kb.php?menu=articles&actie=show&id=31

要分别在两个节点上执行；

在启动的过程中最好检测着crs、ASM和数据库的日志：

crs日志：
[oracle@rac1 ~]$ tail -f /u01/app/oracle/product/10.2.0/crs_1/log/rac1/alertrac1.log
[oracle@rac2 ~]$ tail -f /u01/app/oracle/product/10.2.0/crs_1/log/rac2/alertrac2.log

ASM日志：
[oracle@rac1 ~]$ tail -f /u01/app/oracle/admin/+ASM/bdump/alert_+ASM1.log 
[oracle@rac2 ~]$ tail -f /u01/app/oracle/admin/+ASM/bdump/alert_+ASM2.log
数据库日志：
[oracle@rac1 ~]$ tail -f /u01/app/oracle/admin/ora9i/bdump/alert_ora9i1.log
[oracle@rac2 ~]$ tail -f /u01/app/oracle/admin/ora9i/bdump/alert_ora9i2.log