7. A computer storage system comprising: an array of storage units, each storage unit in said array of storage units to store computer files and a set of meta-data files having a meta-data filename derived from a filename associated with said corresponding computer file, said computer files having associated meta-data comprising at least one meta-data type, each meta-data type having at least one meta-data value; and a file locator, using one or more processors, to locate and retrieve a meta-data index file generated to index computer files stored in said array of storage units identified as having meta-data of a particular meta-data type of a same particular meta-data value, said meta-data index file comprising a first filename derived from said particular meta-data type and said particular meta-data value of said particular meta-data type used to generate said meta-data index file, said meta-data index file comprising a list of computer files stored in said array of storage units having associated meta-data of said particular meta-data type with said same particular meta-data value such that said list of computer files having associated meta-data of said particular meta-data type with said same particular meta-data value may be retrieved based on said meta-data index file.
7. A computer storage system comprising: an array of storage units, each storage unit in said array of storage units to store computer files and a set of meta-data files having a meta-data filename derived from a filename associated with said corresponding computer file, said computer files having associated meta-data comprising at least one meta-data type, each meta-data type having at least one meta-data value; and a file locator, using one or more processors, to locate and retrieve a meta-data index file generated to index computer files stored in said array of storage units identified as having meta-data of a particular meta-data type of a same particular meta-data value, said meta-data index file comprising a first filename derived from said particular meta-data type and said particular meta-data value of said particular meta-data type used to generate said meta-data index file, said meta-data index file comprising a list of computer files stored in said array of storage units having associated meta-data of said particular meta-data type with said same particular meta-data value such that said list of computer files having associated meta-data of said particular meta-data type with said same particular meta-data value may be retrieved based on said meta-data index file. 9. The computer storage system as set forth in claim 7 wherein identifying said set of computer files having associated meta-data of said requested meta-data type with said requested meta-data value comprises containing a list of filenames of said computer files having associated meta-data of said requested meta-data type with said requested meta-data value.