关于“Initializing the Oracle ASMLib driver: [FAILED]”的解决办法

关于无法加载asm dg错误

[oracle@mars ~]$ crs_start -all
CRS-2501: Resource 'ora.ons' is disabled
Attempting to start `ora.PRD_LISTENER.lsnr` on member `mars`
Attempting to start `ora.LISTENER.lsnr` on member `mars`
Attempting to start `ora.cssd` on member `mars`
Attempting to start `ora.diskmon` on member `mars`
Attempting to start `ora.evmd` on member `mars`
Start of `ora.evmd` on member `mars` succeeded.
Start of `ora.diskmon` on member `mars` succeeded.
Start of `ora.PRD_LISTENER.lsnr` on member `mars` succeeded.
Start of `ora.LISTENER.lsnr` on member `mars` succeeded.
Start of `ora.cssd` on member `mars` succeeded.
Attempting to start `ora.asm` on member `mars`
Start of `ora.asm` on member `mars` succeeded.
Attempting to start `ora.ASM_DATA.dg` on member `mars`
CRS-5017: The resource action "ora.ASM_DATA.dg start" encountered the following error: 
ORA-15032: not all alterations performed
ORA-15017: diskgroup "ASM_DATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "ASM_DATA"


Start of `ora.ASM_DATA.dg` on member `mars` failed.
Attempting to stop `ora.ASM_DATA.dg` on member `mars`
Stop of `ora.ASM_DATA.dg` on member `mars` succeeded.
CRS-0215: Could not start resource 'ora.rudy.db'.

CRS-2660: Resource 'ora.ons' or all of its instances are disabled

[oracle@mars ~]$  crs_stat -v -t
Name           Type           R/RA   F/FT   Target    State     Host        
----------------------------------------------------------------------
ora....DATA.dg ora....up.type 0/5    0/     ONLINE    OFFLINE               
ora....ER.lsnr ora....er.type 0/5    0/     ONLINE    ONLINE    mars        
ora....ER.lsnr ora....er.type 0/5    0/     ONLINE    ONLINE    mars        
ora.asm        ora.asm.type   0/5    0/     ONLINE    ONLINE    mars        
ora.cssd       ora.cssd.type  0/5    0/5    ONLINE    ONLINE    mars        
ora.diskmon    ora....on.type 0/10   0/5    ONLINE    ONLINE    mars        
ora.evmd       ora.evm.type   0/10   0/5    ONLINE    ONLINE    mars        
ora....prod.db ora....se.type 0/2    0/1    ONLINE    OFFLINE               
ora.ons        ora.ons.type   0/3    0/     OFFLINE   OFFLINE      

[root@mars init.d]# oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
Instantiating disk "ASM_VOL1"
Unable to instantiate disk "ASM_VOL1"
Instantiating disk "ASM_VOL2"
Unable to instantiate disk "ASM_VOL2"

SQL> select group_number,disk_number,mount_status,header_status,name,path from v$asm_disk;   

no rows selected

安装完ASM相应组件后，执行/etc/Init.d/oracleasm enable后显示失败。查看日志

原来是找不到ASM组件oracleasm.ko

在文件系统中查找

手工安装ASM组件

/etc/init.d/oracleasm enable执行成功。