11gR2 + ASM 实例启动和关闭，需要采用如下命令： 
crs_stop  -all
crs_start -all

[Hywdatadg]/home/grid$>crs_stat -t -v
Name           Type           R/RA   F/FT   Target    State     Host        
----------------------------------------------------------------------
ora.ARCH.dg    ora....up.type 0/5    0/     OFFLINE   OFFLINE               
ora.CRS.dg     ora....up.type 1/5    0/     ONLINE    OFFLINE               
ora.DATA.dg    ora....up.type 0/5    0/     OFFLINE   OFFLINE               
ora....ER.lsnr ora....er.type 0/5    0/     ONLINE    ONLINE    hywdatadg   
ora.asm        ora.asm.type   0/5    0/     OFFLINE   OFFLINE               
ora.cssd       ora.cssd.type  0/5    0/5    ONLINE    ONLINE    hywdatadg   
ora.dgprd1.db  ora....se.type 0/2    0/1    OFFLINE   OFFLINE               
ora.diskmon    ora....on.type 0/10   0/5    ONLINE    ONLINE    hywdatadg 

1.启动
mydb:grid:/grid>crs_start -all
Attempting to start 
`ora.LISTENER.lsnr` on member `mydb`
Attempting to start `ora.cssd` on member 
`mydb`
Attempting to start `ora.diskmon` on member `mydb`
Start of 
`ora.LISTENER.lsnr` on member `mydb` succeeded.
Start of `ora.diskmon` on 
member `mydb` succeeded.
Start of `ora.cssd` on member `mydb` 
succeeded.
Attempting to start `ora.asm` on member `mydb`
Start of 
`ora.asm` on member `mydb` succeeded.
Attempting to start `ora.DATA.dg` on 
member `mydb`
Start of `ora.DATA.dg` on member `mydb` succeeded.

2.查看状态       
mydb:grid:/grid>crs_stat -t
Name           
Type           Target    State     Host        

------------------------------------------------------------
ora.DATA.dg    
ora....up.type ONLINE    ONLINE    mydb        
ora....ER.lsnr ora....er.type 
ONLINE    ONLINE    mydb        
ora.asm        ora.asm.type   ONLINE    
ONLINE    mydb        
ora.cssd       ora.cssd.type  ONLINE    ONLINE    
mydb        
ora.diskmon    ora....on.type ONLINE    ONLINE    mydb    

3.关闭
mydb:grid:/grid>crs_stop -all

Attempting to stop `ora.LISTENER.lsnr` on member `mydb`
Attempting to stop 
`ora.diskmon` on member `mydb`
Attempting to stop `ora.DATA.dg` on member 
`mydb`
Stop of `ora.DATA.dg` on member `mydb` succeeded.
Attempting to 
stop `ora.asm` on member `mydb`
Stop of `ora.asm` on member `mydb` 
succeeded.
Attempting to stop `ora.cssd` on member `mydb`
Stop of 
`ora.cssd` on member `mydb` succeeded.
Stop of `ora.LISTENER.lsnr` on member 
`mydb` succeeded.
Stop of `ora.diskmon` on member `mydb` succeeded.

4.查看状态
mydb:grid:/grid>crs_stat -t
Name           Type           
Target    State     Host        

------------------------------------------------------------
ora.DATA.dg    
ora....up.type OFFLINE   OFFLINE               
ora....ER.lsnr ora....er.type 
OFFLINE   OFFLINE               
ora.asm        ora.asm.type   OFFLINE   
OFFLINE               
ora.cssd       ora.cssd.type  OFFLINE   
OFFLINE               
ora.diskmon    ora....on.type OFFLINE   OFFLINE