Overland's embedded storage operating system software (Protection OS™) and add-on software module PACs provide data protection intelligence and advanced capabilities within and across Overland Storage appliances. Overland's Protection OS software delivers virtualization, data protection, management, and connectivity features to ULTAMUS SERIES™ protected primary storage appliances and REO SERIES™ disk-based backup and recovery appliances.

Protection OS software enables users to implement Overland appliances in almost any storage or backup environment and is compatible with all popular operating systems and backup software along with Ethernet (iSCSI) and Fibre Channel networks. It's never been easier to deploy protected primary storage and disk-based backup as part of a complete disk-to-disk (D2D) or disk-to-disk-to-tape (D2D2T) solution.

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	REO™ Protection OS™ Embedded in every REO SERIES appliance and provides a flexible and intelligent platform for fast, reliable, and efficient backup and recovery operations. With REO Protection OS, you can: • Deploy, operate, and manage disk-based backup solutions quickly and easily • Perform fast, reliable backup and recovery operations • Create user-defined functionality to meet specific needs • Integrate REO SERIES appliances with any open system or Windows-based backup software, tape drive or library • Easily deploy REO in Ethernet (iSCSI) and Fibre Channel environments • Create Dynamic Virtual Tape cartridges to maximize available capacity • Protect your investment with add-on software PAC's
	REO™ Multi-SitePAC™ REO MultiSitePAC software makes it easy to add more advanced backup and recovery capabilities to your REO SERIES appliances, including mirroring, remote recovery and consolidation, and more. • Virtual tape mirroring (data replication) • Centralized management and monitoring • Automatic REO to REO data transfers • Compressed incremental backups • iSCSI connectivity • Ideal for disaster recovery