How should I organize my global namespace?

This topic describes how to plan for organizing the global-namespace by partitioning it into filesets.

At the root of the global namespace is the global fileset. The name of the global fileset is always ROOT. The directory name of the global fileset is specified when you set up the global namespace, for example as sanfs.

When you create a new fileset, you attach it to a specific location in the global namespace, creating a hierarchy. You can attach the fileset to the global fileset or to another to another fileset. When a fileset is attached to another fileset, it is called a nested fileset.

This illustration shows the hierarchy of filesets, including the root fileset, filesets, and nested filesets.
Tip: In the SAN File System environment, you can create regular, non-fileset subdirectories only from the client machines. As a result, the metadata servers cannot recreated directory structures that contain a mix of filesets within subdirectories and regular subdirectories. To simplify disaster recovery, attach filesets only to the global fileset (root directory), not to regular subdirectories under another fileset. The mkdrfile command output can then be used to completely restore the top of the global namespace tree before using the client-based backup application to restore the rest of the global namespace.
These are some guidelines for partitioning the global namespace into filesets:

Parent topic: Planning the global namespace configuration

Related reference
mkdrfile

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