SAN环境硬盘目录可读无法写入，求教

hbu1998

原有两块磁盘阵列硬盘通过光纤交换机接入服务器，给服务器使用，突然发现现在无法写入数据，但可读，查看错误有以下提示，不知是否硬盘损坏？如何能解决？
     79B0DF89   0311221207 P H hdisk19        DISK OPERATION ERROR
CD546B25   0311221207 I O SYSPFS         FILE SYSTEM RECOVERY REQUIRED
1ED0A744   0311221207 P U SYSPFS         FILE SYSTEM LOGGING SUSPENDED
613E5F38   0311221207 P H LVDD           I/O ERROR DETECTED BY LVM
79B0DF89   0311221207 P H hdisk19        DISK OPERATION ERROR
79B0DF89   0311221207 P H hdisk19        DISK OPERATION ERROR
613E5F38   0311221207 P H LVDD           I/O ERROR DETECTED BY LVM
EA67EE43   0311221207 P H hdisk19        DISK OPERATION ERROR
79B0DF89   0311221207 P H hdisk19        DISK OPERATION ERROR
3074FEB7   0311221207 T H fscsi0         ADAPTER ERROR
825849BF   0311221107 T H fcs0           ADAPTER ERROR
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
79B0DF89   0311181407 P H hdisk9         DISK OPERATION ERROR
79B0DF89   0311181407 P H hdisk9         DISK OPERATION ERROR
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
79B0DF89   0311181407 P H hdisk9         DISK OPERATION ERROR
79B0DF89   0311181407 P H hdisk9         DISK OPERATION ERROR
613E5F38   0311181407 P H LVDD           I/O ERROR DETECTED BY LVM
EA67EE43   0311181407 P H hdisk9         DISK OPERATION ERROR
79B0DF89   0311181407 P H hdisk9         DISK OPERATION ERROR
3074FEB7   0311181307 T H fscsi0         ADAPTER ERROR
825849BF   0311181307 T H fcs0           ADAPTER ERROR
C60BB505   0304100407 P S SYSPROC        SOFTWARE PROGRAM ABNORMALLY TERMINATED
3074FEB7   0220021107 T H fscsi0         ADAPTER ERROR
825849BF   0220021007 T H fcs0           ADAPTER ERROR
3074FEB7   0211181207 T H fscsi0         ADAPTER ERROR
825849BF   0211181207 T H fcs0           ADAPTER ERROR

     ---------------------------------------------------------------------------
LABEL:          SC_DISK_ERR2
IDENTIFIER:     79B0DF89

Date/Time:       Sun Mar 11 22:12:25
Sequence Number: 5346
Machine Id:      000CFC5F4C00
Node Id:         a123
Class:           H
Type:            PERM
Resource Name:   hdisk19
Resource Class:  disk
Resource Type:   osdisk
Location:        1A-08-01
VPD:            
        Manufacturer................STK     
        Machine Type and Model......BladeCtlr B210  
        ROS Level and ID............30363132
        Device Specific.(Z0)........000003321F004032

Description
DISK OPERATION ERROR

Probable Causes
DASD DEVICE

Failure Causes
DISK DRIVE
DISK DRIVE ELECTRONICS

        Recommended Actions
        PERFORM PROBLEM DETERMINATION PROCEDURES

Detail Data
SENSE DATA
0600 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0102 0000 7000 0200
0000 0098 0000 0000 0401 0000 0000 0000 0100 0000 0000 0000 0000 0000 0000 8804
0099 9999 9900 0000 0000 0000 0000 0000 0000 3154 3530 3534 3532 3035 2020 2020
2020 0612 1000 0003 0000 0B00 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0005 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0D80 3033 3131 3037 2F30 3730 3430 3400 0000 0000 0000 0000 0000
0000 0000 000A 4851 0003 3FC0 0000 0001 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000
---------------------------------------------------------------------------
LABEL:          JFS_FSCK_REQUIRED
IDENTIFIER:     CD546B25

Date/Time:       Sun Mar 11 22:12:24
Sequence Number: 5345
Machine Id:      000CFC5F4C00
Node Id:         a123
Class:           O
Type:            INFO
Resource Name:   SYSPFS

Description
FILE SYSTEM RECOVERY REQUIRED

        Recommended Actions
        PERFORM FULL FILE SYSTEM RECOVERY USING FSCK UTILITY

Detail Data
MAJOR/MINOR DEVICE NUMBER
0035 0002
FILE SYSTEM DEVICE AND MOUNT POINT
/dev/lv02, /nbu00
---------------------------------------------------------------------------
LABEL:          JFS_LOG_WRITE_ERR
IDENTIFIER:     1ED0A744

Date/Time:       Sun Mar 11 22:12:24
Sequence Number: 5344
Machine Id:      000CFC5F4C00
Node Id:         a123
Class:           U
Type:            PERM
Resource Name:   SYSPFS
Resource Class:  NONE
Resource Type:   NONE
Location:        NONE
VPD:            

Description
FILE SYSTEM LOGGING SUSPENDED

Probable Causes
I/O ERROR ON FILE SYSTEM LOG DEVICE

        Recommended Actions
        HALT ALL FILE SYSTEM ACTIVITY AND REMOUNT
        REFORMAT JFS LOG DEVICE
        CHECK ERROR LOG FOR ADDITIONAL RELATED ENTRIES

Failure Causes
ADAPTER HARDWARE OR MICROCODE
DISK DRIVE HARDWARE OR MICROCODE
SOFTWARE DEVICE DRIVER
STORAGE CABLE LOOSE, DEFECTIVE, OR UNTERMINATED

        Recommended Actions
        CHECK CABLES AND THEIR CONNECTIONS
        INSTALL LATEST ADAPTER AND DRIVE MICROCODE
        INSTALL LATEST STORAGE DEVICE DRIVERS
        IF PROBLEM PERSISTS, CONTACT APPROPRIATE SERVICE REPRESENTATIVE

Detail Data
ERROR CODE
           5
MAJOR/MINOR DEVICE NUMBER
0035 0001
ADDITIONAL INFORMATION
pdtx=0x1D sidx=0xC65 tid=8703 gcpn=92 gceor=3473410 fsdev=0x00000000
---------------------------------------------------------------------------
LABEL:          LVM_IO_FAIL
IDENTIFIER:     613E5F38

Date/Time:       Sun Mar 11 22:12:24
Sequence Number: 5343
Machine Id:      000CFC5F4C00
Node Id:         a123
Class:           H
Type:            PERM
Resource Name:   LVDD
Resource Class:  NONE
Resource Type:   NONE
Location:        NONE

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
0034 000A
ERROR CODE AS DEFINED IN sys/errno.h
          46
BLOCK NUMBER
   199303392
LOGICAL VOLUME DEVICE MAJOR/MINOR
LOGICAL VOLUME DEVICE MAJOR/MINOR
0035 0001
PHYSICAL BUFFER TRANSACTION TIME
           4
SENSE DATA
000B E120 000C FC5F BF28 A83F 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000
---------------------------------------------------------------------------

jnwwww

pv出现错误或坏块了，有可能是日志卷出现问题，执行fsck。

检查线缆是否联结牢靠，如果更换了硬件，升级微码。

jnwwww

也可能光纤卡坏了。

hbu1998

umount后做了一下fsck，现在挂载也挂载不上去了～～～
[a123:root]/#umount /nbu00
[a123:root]/#fsck -y /dev/lv02
****************************
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Inode Map
** Phase 6 - Check Block Map

Superblock is marked dirty (FIXED)
263 files 3893432 blocks 1816434504 free
***** Filesystem was modified *****
[a123:root]/#mount /nbu00
mount: 0506-324 Cannot mount /dev/lv02 on /nbu00: There is an input or output error.

hbu1998

没有更改过硬件，