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链接：http://www.dbasky.net/archives/2009/07/aix-53-oracle-rac1020110204.html
1：升级CRS：
A:安装完成CRS后，需要升级到10204，10204的升级文档指出
If you attempt to install this patch set in an Oracle home directory that does not contain an Oracle Database 10grelease 10.2.0.2 or higer installation, Oracle Universal Installer displays a warning dialog with the following error:
OUI-10091: There are no patches that need to be applied from the patch set Oracle Database 10gRelease 2 Patch Set 2 10.2.0.3
The Oracle Universal Installer does not allow the installation to proceed. ClickOK, then clickCancelto end the installation.
需要先升级到10202或者10203后才能升级到10204。
PATCH 6160398我认为可以不装，装CRS后升级到10203在直接升级到10204，然后应用PATCH 7715304，参见METALINK405820.1
否则在升级完成运行脚本时会报错
[root@db1:/oralce/crs/install] ./root102.sh
Error : Please change the CRS_ORACLE_USER id <oracle> to have the following OS capabilities :
< CAP_PROPAGATE CAP_BYPASS_RAC_VMM CAP_NUMA_ATTACH >
by running </usr/bin/chuser> command then 'crsctl stop crs' and 'crsctl start crs'.
The CSS daemon, ocssd.bin, will not run in realtime without this change
B:升级CRS前，需要修改某些对象权限
[root@db1:/oralce/crs/install] chmod -R +wCRS_HOME/inventory/Templates/*
[root@db1:/oralce/crs/install] /usr/sbin/slibclean
c：升级10203时，遇到如下问题
Relinking some shared libraries.
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait_timeout
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait_timeout
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait_timeout
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait_timeout
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-783 WARNING: TOC overflow. TOC size: 67184 Maximum size: 65536 Your computer code is 50986880
Extra instructions are being generated for each reference to a TOC
symbol if the symbol is in the TOC overflow area.
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait_timeout
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait_timeout
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait
ld: 0711-224 WARNING: Duplicate symbol: .aio_nwait_timeout
ld: 0711-224 WARNING: Duplicate symbol: aio_nwait_timeout
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
ld: 0711-783 WARNING: TOC overflow. TOC size: 67184 Maximum size: 65536
Extra instructions are being generated for each reference to a TOC
symbol if the symbol is in the TOC overflow area.
WARNING: TOC overflow错误可以忽略。
WARNING: Duplicate symbol相关的问题还没查过，不过升级10204时没出问题，暂时忽略该问题
d：在CRS升级完后，可能会遇到VIP起不来
这个是由于没有设置网关，解决办法有二个：
1）：设置网卡的网关。
2）：[root@db1:/oralce/crs/install] vi /oracle/crs/bin/racgvip
把 FAIL_WHEN_DEFAULTGW_NO_FOUND=1 修改 为：FAIL_WHEN_DEFAULTGW_NO_FOUND=0
e：升级到10204时候，ORACLCE用户需要CAP_NUMA_ATTACH,CAP_BYPASS_RAC_VMM,和CAP_PROPAGATE这些操作系统能力来升级集群件
# /usr/sbin/lsuser -a capabilities oracle
# /usr/bin/chuser capabilities=CAP_NUMA_ATTACH，CAP_BYPASS_RAC_VMM，CAP_PROPAGATE oracle (升级说明中有错误，中间应该是"，"，而不是空格）
否则在升级完成运行脚本时会报错
[root@db1:/oralce/crs/install] ./root102.sh
Error : Please change the CRS_ORACLE_USER id <oracle> to have the following OS capabilities :
< CAP_PROPAGATE CAP_BYPASS_RAC_VMM CAP_NUMA_ATTACH >
by running </usr/bin/chuser> command then 'crsctl stop crs' and 'crsctl start crs'.
The CSS daemon, ocssd.bin, will not run in realtime without this change
2：接下来升级oracle软件和实例（dbua）。
; "rrdtools_3.JPG")
; "rrdtools_2.JPG")
; "HACMP 13.JPG")
; "HACMP 12.JPG")
; "HACMP 11.JPG")
; "HACMP 10.JPG")
; "HACMP 9.JPG")
; "HACMP 8.JPG")
; "HACMP 7.JPG")
; "HACMP 6.JPG")
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