After Installing Patchset 10.2.0.4 and running root102.sh, got "voting disk corrupted" error and can

Dear all,
My setting is:

OS:RHEL4.8 U8 x86
DB:10.2.0.1
CRS:10.2.0.1

After I installed Patchset 10.2.0.4 and execute $CRS_HOME/install/root102.sh, I could't start clusterware anymore. After checking ocssd.log, I found some messages like this:

[    CSSD]2010-01-07 15:53:06.519 [3086919360] >TRACE:   clssscmain: local-only set to false
[    CSSD]2010-01-07 15:53:06.562 [3086919360] >TRACE:   clssnmReadNodeInfo: added node 1 (x101) to cluster
[    CSSD]2010-01-07 15:53:06.578 [3086919360] >TRACE:   clssnmReadNodeInfo: added node 2 (x102) to cluster
[    CSSD]2010-01-07 15:53:06.580 [3086919360] >TRACE:   clssnmInitNMInfo: Initialized with unique 1262850786
[    CSSD]2010-01-07 15:53:06.586 [3086919360] >TRACE:   clssNMInitialize: Initializing with OCR id (33483723)
[    CSSD]2010-01-07 15:53:06.650 [84294560] >TRACE:   clssnm_skgxninit: Compatible vendor clusterware not in use
[    CSSD]2010-01-07 15:53:06.650 [84294560] >TRACE:   clssnm_skgxnmon: skgxn init failed