RAC安装节点2执行root.sh报CRS-5005和CRS-2632错

在某客户处，AIX 6.1上安装11.2.0.3的RAC，在节点2执行root.sh时出现以下报错：

[root@WM02][]#/u01/app/11.2.0/grid/root.sh
Performing root user operation for Oracle 11g 

The following environment variables are set as:
    ORACLE_OWNER= grid
    ORACLE_HOME=  /u01/app/11.2.0/grid

Enter the full pathname of the local bin directory: [/usr/local/bin]: 
The contents of "dbhome" have not changed. No need to overwrite.
The contents of "oraenv" have not changed. No need to overwrite.
The contents of "coraenv" have not changed. No need to overwrite.

Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root script.
Now product-specific root actions will be performed.
Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params
User ignored Prerequisites during installation
User grid has the required capabilities to run CSSD in realtime mode
OLR initialization - successful
Adding Clusterware entries to inittab
CRS-2672: Attempting to start 'ora.mdnsd' on 'wmngistrdb02'
CRS-2676: Start of 'ora.mdnsd' on 'wmngistrdb02' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'wmngistrdb02'
CRS-2676: Start of 'ora.gpnpd' on 'wmngistrdb02' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'wmngistrdb02'
CRS-2672: Attempting to start 'ora.gipcd' on 'wmngistrdb02'
CRS-2676: Start of 'ora.gipcd' on 'wmngistrdb02' succeeded
CRS-2676: Start of 'ora.cssdmonitor' on 'wmngistrdb02' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'wmngistrdb02'
CRS-2672: Attempting to start 'ora.diskmon' on 'wmngistrdb02'
CRS-2676: Start of 'ora.diskmon' on 'wmngistrdb02' succeeded
CRS-2676: Start of 'ora.cssd' on 'wmngistrdb02' succeeded

ASM created and started successfully.

Disk Group CRSDG created successfully.

clscfg: -install mode specified
Successfully accumulated necessary OCR keys.
Creating OCR keys for user 'root', privgrp 'system'..
Operation successful.
Successful addition of voting disk 7ab4753e48534f26bfb19f08586ae0d5.
Successful addition of voting disk 89db32773c184fe8bfdf4ac84fabc8f1.
Successful addition of voting disk 14ad0504e7b84f55bf956a7e63107091.
Successfully replaced voting disk group with +CRSDG.
CRS-4266: Voting file(s) successfully replaced
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   7ab4753e48534f26bfb19f08586ae0d5 (/dev/rhdiskpower10) [CRSDG]
 2. ONLINE   89db32773c184fe8bfdf4ac84fabc8f1 (/dev/rhdiskpower8) [CRSDG]
 3. ONLINE   14ad0504e7b84f55bf956a7e63107091 (/dev/rhdiskpower9) [CRSDG]
Located 3 voting disk(s).
CRS-2672: Attempting to start 'ora.asm' on 'wmngistrdb02'
CRS-2676: Start of 'ora.asm' on 'wmngistrdb02' succeeded
CRS-2672: Attempting to start 'ora.CRSDG.dg' on 'wmngistrdb02'
CRS-2676: Start of 'ora.CRSDG.dg' on 'wmngistrdb02' succeeded
PRCR-1079 : Failed to start resource ora.scan1.vip
CRS-5017: The resource action "ora.scan1.vip start" encountered the following error: 
CRS-5005: IP Address: 10.92.6.19 is already in use in the network
. For details refer to "(:CLSN00107:)" in "/u01/app/11.2.0/grid/log/wmngistrdb02/agent/crsd/orarootagent_root/orarootagent_root.log".

CRS-2674: Start of 'ora.scan1.vip' on 'wmngistrdb02' failed
CRS-2632: There are no more servers to try to place resource 'ora.scan1.vip' on that would satisfy its placement policy

start scan ... failed
FirstNode configuration failed at /u01/app/11.2.0/grid/crs/install/crsconfig_lib.pm line 9196.
/u01/app/11.2.0/grid/perl/bin/perl -I/u01/app/11.2.0/grid/perl/lib -I/u01/app/11.2.0/grid/crs/install /u01/app/11.2.0/grid/crs/install/rootcrs.pl execution failed

初期由于分配IP存在不确定因素，一致以为是IP导致，但是实际不是。

从正常的安装来说，OCR盘在节点1执行时已经创建成功，节点2只需要应用即可。从此思路推断，是存储问题导致安装失败。

验证节点1和节点2存储是否划盘一致：

节点1：

Pseudo name=hdiskpower8
Symmetrix ID=000292604535
Logical device ID=008F
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   0 fscsi0                   hdisk12   FA  7gA   active  alive       0      0
   1 fscsi2                   hdisk20   FA  8gA   active  alive       0      0

Pseudo name=hdiskpower9
Symmetrix ID=000292604535
Logical device ID=0090
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   0 fscsi0                   hdisk13   FA  7gA   active  alive       0      0
   1 fscsi2                   hdisk21   FA  8gA   active  alive       0      0

Pseudo name=hdiskpower10
Symmetrix ID=000292604535
Logical device ID=0094
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   0 fscsi0                   hdisk14   FA  7gA   active  alive       0      0
   1 fscsi2                   hdisk22   FA  8gA   active  alive       0      0

节点2：

Pseudo name=hdiskpower8
Symmetrix ID=000292604535
Logical device ID=01CB
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   1 fscsi2                   hdisk24   FA  8gA   active  alive       0      1
   0 fscsi0                   hdisk9    FA  7gA   active  alive       0      0

Pseudo name=hdiskpower9
Symmetrix ID=000292604535
Logical device ID=01CF
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   0 fscsi0                   hdisk10   FA  7gA   active  alive       0      0
   1 fscsi2                   hdisk25   FA  8gA   active  alive       0      1

Pseudo name=hdiskpower10
Symmetrix ID=000292604535
Logical device ID=01D7
state=alive; policy=SymmOpt; priority=0; queued-IOs=0; 
==============================================================================
--------------- Host ---------------   - Stor -   -- I/O Path --  -- Stats ---
###  HW Path               I/O Paths    Interf.   Mode    State   Q-IOs Errors
==============================================================================
   0 fscsi0                   hdisk11   FA  7gA   active  alive       0      0
   1 fscsi2                   hdisk26   FA  8gA   active  alive       0      1

果然两个节点的存储划盘是不一致的，至此问题已经很清楚，是由于存储划盘不一致导致节点2执行root.sh报CRS-5005和CRS-2632错。