 Ranch utilizes Oracle's Sun Storage Archive Manager Filesystem (SAM-FS) for migrating files to/from a tape archival system with a current offline storage capacity of 40 PB.Ranch's disk cache is built on Oracle's Sun ST6540 and DataDirect Networks 9550 disk arrays containing approximately 110 TB of usable spinning disk storage.These disk arrays are controlled by an Oracle Sun x4600 SAM-FS Metadata server which has 16 CPUs and 32 GB of RAM.