By Kevin Komiega
Hewlett-Packard recently began shipping a new crop of enterprise-class virtual tape libraries (VTLs) equipped with data de-duplication software OEM’d from Sepaton, as well as a homegrown de-duplication feature for its family of disk-based backup systems for small to medium-sized businesses (SMBs).
HP provides two distinct methods of data de-duplication. For enterprise customers, the company offers de-dupe as an option for its StorageWorks Virtual Library System (VLS) platforms. For small to
medium-sized businesses (SMBs), HP has integrated its own de-duplication functionality into the StorageWorks D2D Backup Systems.
“Some vendors have been trying to address the problem with a one-size-fits-all approach,” says Patrick Eitenbichler, director of marketing in HP’s StorageWorks division. “From our perspective, and based on research studies we’ve done, customers need solutions in two distinct segments—the high-end and the low-end SMB market.”
The StorageWorks VLS is positioned as a backup system with de-duplication for data centers with backup requirements that are in the 100-terabyte-per-day range.
De-duplication is currently available on the VLS6600 and VLS9000 series, while licenses for the VLS6200 and VLS12000 models will be available next month.
Pricing for the de-duplication option is based on capacity. A VLS12000 license costs $5,000 per 2TB LUN. A license for the VLS9000 is priced at $25,000, and the VLS6000 will cost $8,750 per license.
The VLS provides virtual tape for HP’s Enterprise Virtual Array (EVA) environments by integrating into existing data-protection processes. The VLS systems range in capacity from 105.6TB (VLS6000) to 1,080TB (VLS12000) with 4Gbps Fibre Channel connectivity, maximum performance of up to 4,800MBps, and the ability to emulate up to 128 virtual libraries and 1,024 virtual drives.
Eitenbichler says Sepaton’s de-dupe technology has produced real-world de-dupe
ratios of up to 50×, depending on data type. The HP-developed de-duplication engine doesn’t reach those numbers, but Eitenbichler says it is adequate for SMB requirements.
HP took a different approach with its StorageWorks D2D Backup Systems by developing its own de-duplication technology for SMBs.
“HP Labs developed a hash-based de-duplication algorithm for the StorageWorks D2D Backup Systems to bring the technology to customers who have not gone the de-dupe route in the low-end because they could not afford it,” says Eitenbichler.
The D2D Backup Systems emulate up to 16 LTO tape autoloaders or libraries and are capable of consolidating backups for up to 16 servers onto a single device.
The devices are available in a 1U rack-mount form factor with 3TB of raw capacity, two iSCSI interfaces, and up to 180MBps of aggregate performance.
The StorageWorks D2D 2500 and 4000 systems are available with de-duplication as a standard feature for a starting price of $6,499.
To provide data protection for the smallest of small businesses, HP also introduced the StorageWorks RDX Removable Disk Backup Systems (RDX160 and RDX320).
The RDX systems provide disk-based performance with the ability to store 160GB or 320GB of data on a single removable disk cartridge at speeds of up to 108GB per hour. The systems include continuous data-protection (CDP) software. The RDX systems are priced from $299.