LAB REVIEW: Compellent's DIR, SIR, and RIR
"Virtualizing SAN storage at the disk-block level rather than at the RAID-volume-partition level enables Compellent to implement a snapshot mechanism based entirely on metadata pointers that provides a fast way%u2014with minimal I/O processing overhead%u2014to clone disk volumes, and a radical thin-replication approach improves disaster recovery."
read more »
Bury
