[CentOS] help about Zend Optimizer and nfs

Hi

pls help

1/ I run application but it said "Attention: Zend Optimizer not 
Installed"
but I type php -v
Zend Engine v2.2.0, Copyright (c) 1998-2008 Zend Technologies

Why?

2/ ls nfs working except tcp?
I don't know how to debug

Thank you




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