11.1 Grid Agent "Some recommended prerequisites checks are failed"

Passing the -debug option to runInstaller provides more information on where a pre-requisite could be failing. The 11.1 Grid Agent no longer uses a GUI and is required to be installed command line. The following error message does not provide many clues as to what the pre-requisite fail could be:

./runInstaller -silent -responseFile /oracle/product/software/agent/linux/agent/response.rsp

Starting Oracle Universal Installer...

Checking Temp space: must be greater than 150 MB.   Actual 1083 MB    Passed

Checking swap space: must be greater than 150 MB.   Actual 16383 MB    Passed

Preparing to launch Oracle Universal Installer from /tmp/OraInstall2012-05-10_10-36-59AM. 

Please wait ...

*** Check for updates ***

*** Select Installation Type ***

*** Check Prerequisites ***

Some recommended prerequisites checks are failed. You might get errors during installation. Please fix those prerequisites and start the installation again.

Further, the README.TXT contains the following:

For detailed information on using silent installation method to install the Management agent please refer to .Enterprise Manager Silent Installations. described in the Enterprise Manager Grid Control Basic Installation available at:

http://www.oracle.com/technology/documentation/oem.html

The URL contains the documentation for all Oracle products. 

The documentation is here:

Oracle® Enterprise Manager

Grid Control Basic Installation Guide 

11g Release 1 (11.1.0.1.0) 

E15838-09

http://docs.oracle.com/cd/E11857_01/install.111/e15838.pdf

After reading through the documentation, the -debug flag can be used for the runInstaller which gives us more detailed information as to what the problem can be:

./runInstaller -debug -silent -responseFile /oracle/product/software/agent/linux/agent/response.rsp

In Progress

Checking if Oracle software certified on the current O/S...  1

In Progress

Checking for required packages installed on the system ....  1

In Progress

Checking whether the software compatibile for current o/s...  7

In Progress

Checking for sufficient diskspace in TEMP location...  1

In Progress

Checking for sufficient diskspace in Inventory location...  1

In Progress

Checking for the Hostname...  1

This is a prerequisite condition to test whether the Oracle software is certified on the current O/S or not.Succeeded

This is a prerequisite condition to test whether the minimum required packages are available on the system.Succeeded

This is a prerequisite condition to test whether the software is compatible for this o/sFailed

This check ensures that sufficient diskspace is available in system TEMP location.Succeeded

This check ensures that sufficient diskspace is available in system Inventory location.Succeeded

This is a prerequisite condition to test whether the host name where the installation will be done, is correct or not.Succeeded

Silent Install page at  3 oracle.sysman.install.oneclick.EMGCPrereqDialog,pageTitle=Check Prerequisites,label=Check Prerequisites,selected

Some recommended prerequisites checks are failed. You might get errors during installation. Please fix those prerequisites and start the installation again.