Patent ID: 7962690
Filing Date: 2011-06-14
Classification: G06F

Abstract:
1. A method to access a data in a RAID array, comprising the steps of: supply a plurality of data storage media, wherein information is written to said plurality of data storage media using a RAID configuration; receiving from a requestor a command selected from the group consisting of writing information to, and reading information from, one or more of said plurality of data storage media, wherein said command comprises a data access priority indicator; establishing a target logical block array range; determining if a RAID rebuild of said plurality of data storage media is in progress; operative if a RAID rebuild of said plurality of data storage media is in progress, determining if each of one or more stripes comprising said target logical block array range have already been rebuilt; operative if each of one or more stripes comprising said target logical block array range have already been rebuilt, determining if said data access priority indicator is set; operative if said data access priority indicator is set, executing a command selected from the group consisting of writing information to said target logical block array range, and returning to said requestor information read from said target logical block array range operative if said data priority indicator is not set, returning a busy signal.