请教 LVM_IO_FAIL错误

现有一台IBM 520A，本机8块盘，2块rootvg，6块做应用vg，现在系统报错，请各位前辈帮忙看看：错误日志如下：
LABEL:          LVM_IO_FAIL
IDENTIFIER:     4BAA1659

Date/Time:       Wed Mar 25 13:55:20 BEIS
Sequence Number: 499
Machine Id:      00063EE6D700
Node Id:         sapshipdr
Class:           H
Type:            PERM
Resource Name:   LVDD            
Resource Class:  NONE
Resource Type:   NONE
Location:        

Description
I/O ERROR DETECTED BY LVM

Probable Causes
POWER, DRIVE, ADAPTER, OR CABLE FAILURE

        Recommended Actions
        RUN DIAGNOSTICS AGAINST THE FAILING DEVICE

Detail Data
PHYSICAL VOLUME DEVICE MAJOR/MINOR
8000 0014 0000 0003
ERROR CODE AS DEFINED IN sys/errno.h
          47
BLOCK NUMBER
              57676096
LOGICAL VOLUME DEVICE MAJOR/MINOR
8000 002A 0000 0004
PHYSICAL BUFFER TRANSACTION TIME
                     0
RESIDUAL COUNT
                  4096
NUMBER OF BLOCKS
                  4096
I/O TYPE
USER DATA     
SENSE DATA
0000 0000 0003 7011 0006 3EE6 0000 D700 0000 0115 F121 558D 0006 3EE6 F121 52E3
0000 0000 0000 0000
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LABEL:          DISK_ERR1
IDENTIFIER:     425BDD47

Date/Time:       Wed Mar 25 13:55:20 BEIS
Sequence Number: 498
Machine Id:      00063EE6D700
Node Id:         sapshipdr
Class:           H
Type:            PERM
Resource Name:   hdisk5         
Resource Class:  disk
Resource Type:   scsd
Location:        U787F.001.DPM2MF1-P1-T11-L4-L0
VPD:            
        Manufacturer................IBM   H0
        Machine Type and Model......ST3146855LC     
        FRU Number..................03N6352     
        ROS Level and ID............43383036
        Serial Number...............0003E3DE
        EC Level....................D76038   
        Part Number.................03N6351     
        Device Specific.(Z0)........000004129F000136
        Device Specific.(Z1)........0309C806
        Device Specific.(Z2)........0002

        Device Specific.(Z3)........07256
        Device Specific.(Z4)........0001
        Device Specific.(Z5)........22
        Device Specific.(Z6)........D76038   
        Device Specific.(BR)........H0

Description
DISK OPERATION ERROR

Probable Causes
MEDIA

User Causes
MEDIA DEFECTIVE

        Recommended Actions
        FOR REMOVABLE MEDIA, CHANGE MEDIA AND RETRY
        PERFORM PROBLEM DETERMINATION PROCEDURES

Failure Causes
MEDIA
DISK DRIVE


        Recommended Actions
        FOR REMOVABLE MEDIA, CHANGE MEDIA AND RETRY
        PERFORM PROBLEM DETERMINATION PROCEDURES

Detail Data
PATH ID
           0
SENSE DATA
0A04 0000 2A00 0370 1140 0000 0800 0000 0102 0000 F000 0704 008B B818 0000 0018
2700 0100 0000 0000 0727 0001 0037 9A01 0138 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 53F6 000D
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