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：
[root@aix199:/]#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：
[root@aix199:/]#lsvg -l rootvg
计算
安全
数据库
网络和加速
企业服务
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：
[root@aix199:/]#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.[root@aix199:/]#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[root@aix199:/]#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：
[root@aix199:/]#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 *****[root@aix199:/]#mount /home
[root@aix199:/]#ls /home
TT_DB dba guest lost+found oracle执行sqlplus命令出错：
[oracle@aix199:~]$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：
[root@aix199:/]#bootinfo -K
64
查看系统信息：
[root@aix199:/]#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
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