AIX学习之--文件系统修复（/home)

系统环境：

操作系统：AIX 5.3.8

Oracle:  Oracle 10gR2


案例：

在执行mount文件系统时出现以下错误：

[[email protected]:/]#mount /home

Replaying log for /dev/hd1.

Devices already mounted that are using /dev/hd8

Failure replaying log: 0

mount: /dev/hd1 on /home: Unformatted or incompatible media

The superblock on /dev/hd1 is dirty.  Run a full fsck to fix.

查看逻辑卷：

[[email protected]:/]#lsvg -l rootvg

rootvg:
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
hd5                 boot       1       1       1    closed/syncd  N/A
hd6                 paging     32      32      1    open/syncd    N/A
hd8                 jfslog     1       1       1    open/syncd    N/A
hd4                 jfs        128     128     1    open/syncd    /
hd2                 jfs        96      96      1    open/syncd    /usr
hd9var              jfs        32      32      1    open/syncd    /var
hd3                 jfs        32      32      1    open/syncd    /tmp
hd1                 jfs        80      80      1    closed/syncd  /home
hd10opt             jfs        16      16      1    open/syncd    /opt
lv01                jfs        1       1       1    open/syncd    /var/adm/csd

同步vg：

[[email protected]:/]#synclvodm -v rootvg

synclvodm: Physical volume data updated.
synclvodm: Logical volume hd5 updated.
synclvodm: Logical volume hd6 updated.
synclvodm: Logical volume hd8 updated.
synclvodm: Logical volume hd4 updated.
synclvodm: Logical volume hd2 updated.
synclvodm: Logical volume hd9var updated.
synclvodm: Logical volume hd3 updated.
synclvodm: Logical volume hd1 updated.
synclvodm: Logical volume hd10opt updated.
synclvodm: Logical volume lv01 updated.

[[email protected]:/]#lsvg -l rootvg

rootvg:
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
hd5                 boot       1       1       1    closed/syncd  N/A
hd6                 paging     32      32      1    open/syncd    N/A
hd8                 jfslog     1       1       1    open/syncd    N/A
hd4                 jfs        128     128     1    open/syncd    /
hd2                 jfs        96      96      1    open/syncd    /usr
hd9var              jfs        32      32      1    open/syncd    /var
hd3                 jfs        32      32      1    open/syncd    /tmp
hd1                 jfs        80      80      1    closed/syncd  /home
hd10opt             jfs        16      16      1    open/syncd    /opt
lv01                jfs        1       1       1    open/syncd    /var/adm/csd

mount文件系统：

[[email protected]:/]#mount /home

Replaying log for /dev/hd1.

Devices already mounted that are using /dev/hd8

Failure replaying log: 0

mount: /dev/hd1 on /home: Unformatted or incompatible media

The superblock on /dev/hd1 is dirty.  Run a full fsck to fix.


fsck修复文件系统：

[[email protected]:/]#fsck -y /home

** Checking /dev/rhd1 (/home) 
** Phase 1 - Check Blocks and Sizes
** 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)
105 files 397841 blocks 10087919 free
***** Filesystem was modified *****

重新mount文件系统：

[[email protected]:/]#mount /home
[[email protected]:/]#ls /home
TT_DB       dba         guest       lost+found  oracle

执行sqlplus命令出错：

[[email protected]:~]$sqlplus 

Could not load program sqlplus:

Cannot run a 64-bit program until the 64-bit

        environment has been configured. See the system administrator.

查看系统内核版本：

[[email protected]:/]#bootinfo -K

64

查看系统信息：

[[email protected]:/]#prtconf |more

System Model: IBM,7028-6C4
Machine Serial Number: 108570C
Processor Type: PowerPC_POWER4
Processor Implementation Mode: POWER 4
Processor Version: PV_4
Number Of Processors: 2
Processor Clock Speed: 1002 MHz
CPU Type: 64-bit
Kernel Type: 64-bit
LPAR Info: 1 NULL
Memory Size: 1024 MB
Good Memory Size: 1024 MB
Platform Firmware level: 3R080425
Firmware Version: IBM,RG080425_d79e22_r
Console Login: enable
Auto Restart: true
Full Core: false

   系统内核应该为64位，所以重新启动系统，系统重启后问题解决！