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You can direct the render log output to another location if necessary using the following environment variable: RFK_REDIRECT_OUTPUT
You can also use RFK_OVERRIDE_RENDER_ACTION When set, this overrides the default processing for render outputs to always render directly to the renderLocation specified in the RenderOutputDefine node without any copying or processing from Katana.

Shader Discovery

During startup RenderMan for Katana will automatically load all "discoverable" shaders. Shaders are discoverable if they are found in a search path and (for non-OSL shaders) have an associated Args file.  The standard shader search path mechanism is used when searching for shaders on the specified environment variable search paths:

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