Method, apparatus and program storage device for providing a centralized policy based preallocation in a distributed file system

摘要

A method, apparatus and program storage device for providing a centralized policy based preallocation in a distributed file system. Policy rules are used to provide for the specification of a preallocation and an extend size for files in a computer system. An administrator specifies the pre-allocation and extend sizes for a set of files as defined in the set of policy rules. Policy rules used in this manner can take into account the unique situation in which a file is being created or extended.