<A target="_blank" href="http://www.virtualpressoffice.com/publicsiteContentFileAccess/365411/365411.html/?fileContentId=365411&fileName=365411.html&fromOtherPageToDisableHistory=Y">SAN (Storage Area Network) drives generally do not need to be defragmented</A> but, the SAN system may run on top of NTFS, which does need to be defragmented. Diskeeper offers defragmentation software to help keep your SAN running smoothly.