mandatory argument 'crshome' is missing

1. 错误信息

在oracle  10.2.0.4 to 11.1.0.6 的各个版本中，尽管变量ORA_CRS_HOME设置正确，也会遇到如下错误：

# ./diagcollection.pl -collect
Production Copyright 2004, 2005, Oracle. All rights reserved
Cluster Ready Services (CRS) diagnostic collection tool
Mandatory argument ‘crshome’ is missing.

2. 问题确认

This is a known bug:
Bug 6899547 – DIAGCOLLECTION.PL FAILS WITH MANDATORY ARGUMENT ‘CRSHOME’ IS MISSING

3. 解决方案

Workaround:
The workaround is simply to add the crs home to the command as follows:

#export ORACLE_HOME=/u01/oracle/app/oracle/product/10.2.0/db
#export ORA_CRS_HOME=/u01/oracle/app/oracle/product/10.2.0/crs
#./diagcollection.pl --collect --all --crshome $ORA_CRS_HOME

This bug affects 10.2.0.4 and 11.1.0.6 releases for all platforms. This bug has been fixed in 11.1.0.7.