Using KFOD to verify disks before installing Grid Infrastructure

The KFOD tool is an Oracle supplied command line tool for inspecting available disks.

Since many of the issues associated with failed RAC installs are caused by shared disk, using KFOD to ensure that ASMLib or UDEV has correctly presented disks with the correct permissions to all nodes, before launching the Grid installer can save a good deal of time and effort.

However, since it is the Grid installer that installs KFOD, this can be tricky.

In this post we show how to leverage KFOD before the Grid Infrastructure is installed:

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