AIX 安装 RAC 错误集锦（3）之--Async I/O
环境：
操作系统： AIX 5.3.8
集群软件： CRS 10.2.0.1
数据库： Oracle 10.2.0.1
错误现象：
[root@aix212 /]#/u01/crs_1/root.sh
WARNING: directory '/u01' is not owned by root
Checking to see if Oracle CRS stack is already configured
Checking to see if any 9i GSD is up
Could not load program /u01/crs_1/bin/lsdb:
Symbol resolution failed for /usr/lib/libc.a[aio_64.o] because:
Symbol kaio_rdwr64 (number 1) is not exported from dependent
module /unix.
Symbol listio64 (number 2) is not exported from dependent
module /unix.
Symbol acancel64 (number 3) is not exported from dependent
module /unix.
Symbol iosuspend64 (number 4) is not exported from dependent
module /unix.
Symbol aio_nwait (number 5) is not exported from dependent
module /unix.
Symbol aio_nwait64 (number 6) is not exported from dependent
module /unix.
Symbol aio_nwait_timeout (number 7) is not exported from dependent
module /unix.
Symbol aio_nwait_timeout64 (number 8) is not exported from dependent
module /unix.
System error: Error 0
Examine .loader section symbols with the 'dump -Tv' command.
9i GSD is running on node ''. Stop the GSD and rerun root.sh
原因： 在AIX 系统中未启动，磁盘的ASYNC I/O功能
通过smit 工具：
# smit chaio 启动磁盘的async I/O功能，问题解决
