使用udev安装GI遇到的问题 grid。

检查过不了，说是权限不对，但实际检查却正常的，很奇怪，有人遇到过相同问题不？
[root@rac2 named]# ll /dev/asm*
brw-rw---- 1 grid asmadmin 8, 16 Jun 25 12:15 /dev/asm-disk1
brw-rw---- 1 grid asmadmin 8, 32 Jun 25 12:15 /dev/asm-disk2
brw-rw---- 1 grid asmadmin 8, 48 Jun 25 12:15 /dev/asm-disk3

详细日志：

Device Checks for ASM - This is a pre-check to verify if the specified devices meet the requirements for configuration through
the Oracle Universal Storage Manager Configuration Assistant.
  Check Failed on Nodes: [rac2, rac1]  
Verification result of failed node: rac2 

Details: 
-
PRVF-5184 : Check of following Udev attributes of "rac2:/dev/asm-disk1" failed: "[Owner: Found='root' Expected='grid', Group:
Found='root' Expected='asmadmin', Permissions: Found='0600' Expected='0660']" - Cause: Found incorrect attributes for the specified device. - Action: Ensure that the device attributes are set correctly. See Configurable Dynamic Device Naming documentation
(udev) for further information. 
-
PRVF-5184 : Check of following Udev attributes of "rac2:/dev/asm-disk2" failed: "[Owner: Found='root' Expected='grid', Group:
Found='root' Expected='asmadmin', Permissions: Found='0600' Expected='0660']" - Cause: Found incorrect attributes for the specified device. - Action: Ensure that the device attributes are set correctly. See Configurable Dynamic Device Naming documentation
(udev) for further information. 
-

解决：