AIX的rootvg磁盘I/O非常高的原因(结贴)

OS:AIX 5300-10
HACMP：5.3
机器P561
rootvg:hdisk0 hdisk1
HACMP模式是主备，A机备，B机主
ORACLE版本：10.2.0.4
情况是ORACLE安装好，没有任何的数据往里面导入和操作。
查看了errpt报错，有很多的sysproc的报错，topas查看hdisk0 ,hdisk1非常的繁忙。
不知道是什么导致的

P561A1:/>#errpt -aj C69F5C9B|more
---------------------------------------------------------------------------
LABEL:          CORE_DUMP
IDENTIFIER:     C69F5C9B
Date/Time:       Fri Jan 15 09:10:27 BEIST 2010
Sequence Number: 43639
Machine Id:      00C80DBD4C00
Node Id:         P561A1
Class:           S
Type:            PERM
Resource Name:   SYSPROC         
Description
SOFTWARE PROGRAM ABNORMALLY TERMINATED
Probable Causes
SOFTWARE PROGRAM
User Causes
USER GENERATED SIGNAL
        Recommended Actions
        CORRECT THEN RETRY
Failure Causes
SOFTWARE PROGRAM
        Recommended Actions
        RERUN THE APPLICATION PROGRAM
        IF PROBLEM PERSISTS THEN DO THE FOLLOWING
        CONTACT APPROPRIATE SERVICE REPRESENTATIVE
Detail Data
SIGNAL NUMBER
          11
USER'S PROCESS ID:
               2449408
FILE SYSTEM SERIAL NUMBER
           4
INODE NUMBER
        4153
CORE FILE NAME
/var/ha/run/haem.P561A1_CLUSTER/aixos/core
PROGRAM NAME
harmad
STACK EXECUTION DISABLED
           0
COME FROM ADDRESS REGISTER
PROCESSOR ID
  hw_fru_id: 0
  hw_cpu_id: 2
ADDITIONAL INFORMATION
_ptrgl 0
getCacheD 218
instantia 178
iSiInstan 1E0
cfgInstan 34
SiInit 164
SpmiIntIn 9C
aixos_ret 74
aixos_ini 60
aixos_ini 120
aixos_ini 74
aixos_ini 70
main 10C
__start 8C
Symptom Data
REPORTABLE
1
INTERNAL ERROR
0
SYMPTOM CODE
PCSS/SPI2 FLDS/harmad SIG/11 FLDS/_ptrgl VALU/0 FLDS/aixos_ret