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
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/csdmount文件系统：
[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 *****重新mount文件系统：
[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！
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