* Ocarina provides sub-file-level deduplication and compression of unstructured data. Its storage optimizers read data from network-attached storage, deduplicate it, compress it and write the optimized files on either the original NAS or a different storage tier. It optimizes the layout based on characteristics such as block sizes, caching strategies and metadata layout for each storage platform, says Greg Schulz, senior analyst at The Server and StorageIO Group. Ocarina is well suited for unstructured data that may not be "handled as efficiently by dedupe alone," says Schulz. Ocarina also resells its technology to vendors such as BlueArc Corp.
* HP's StoreOnce deduplication software currently runs on HP StorageWorks D2D Backup Systems and compresses data before deduplication, for reductions of up to 20:1. In the future, by deploying it across more platforms, it can avoid the problems caused by using multiple deduplication products, says Lee Johns, marketing director for unified storage products in HP's StorageWorks division. He says HP also plans to use StoreOnce to reduce primary storage in high-availability server clusters.
* Symantec Corp.'s forthcoming VirtualStore is designed to reduce storage requirements for virtual machines and the data associated with them by 80% -- especially for virtual desktop implementations. Among other things, it updates only the changes between the "parent" virtual machine and any clones and provides thin provisioning and tiering. VirtualStore will be available in November; future releases will have deduplication capabilities, according to Symantec.
-- Robert L. Scheier
Scheier is a freelance writer in Swampscott, Mass. Contact him at firstname.lastname@example.org.
This story, "5 ways to cut your storage footprint" was originally published by Computerworld.