HP StorageWorks DAT drives are based on the Digital Data Storage (DDS) format. In fact, DAT is the most successful tape backup technology of all time with more than 17 million DAT drives shipped since its introduction in 1989, and with a current world-wide installed base of over 6 million drives. A number of vendors manufacture DDS format DAT drives, but HP has long been the market leader in DAT technology.

This remarkable tape technology continues to flourish because of its ability to meet the needs of the Small and Medium Business (SMB) market for reliable, cost-effective backup better than any other technology available.

The HP StorageWorks family of DAT drives is the first choice for data protection for many small and medium businesses with low-end and mid-range servers and workstations. HP StorageWorks DAT drives are also frequently used for operating system backup and software loading on mission-critical servers in many large enterprises.

HP StorageWorks DAT drives are available with a range of capacities (from 40GB to 160GB) and a choice of interfaces. Customers can benefit from native USB 2.0 for plug-and-play installation: from out of the box to backup in less than 60 seconds. Other interface choices include SCSI for servers requiring SCSI connectivity and the recent addition of a SAS interface now provides the very latest server connectivity.

Each member of the HP StorageWorks DAT family offers a complete backup solution including HP's unique One-Button-Disaster-Recovery (OBDR) feature providing customers with the ability to restore their systems quickly and effortlessly with the touch of a single button. HP's unique Library and Tape Tools (L&TT) utilities provide HP StorageWorks DAT customers with a comprehensive suite of tape drive management utilities and HP's extensive testing program ensures that customers benefit from the broadest connectivity and compatibility with HP and third-party servers, operating systems and software in the industry.

Also includes HP Data Protector Express Single Server Edition software and its Bare Metal Disaster Recovery option, providing a backup application to protect a single Windows, Linux or NetWare server.

HP StorageWorks DAT 160 Tape Drive

• 160GB of data on one data cartridge
• 49.3GB/hr transfer rate/completes back up in about 3 hours
• Features new front panel design
• Now available with SAS in addition to USB and SCSI interfaces

Protecting the needs of small or medium business, the highest capacity and performance DAT drive with up to 160GB compressed data per cartridge and speeds of around 50GB/hr (assuming 2:1 data compression)

The HP DAT 160 SAS drive is available with a native SAS interface, for latest server connectivity, in a range of models including internal to fit servers, workstations, rack-mount kits and external enclosures.

Protecting the needs of small or medium business, the highest capacity and performance DAT drive with up to 160GB compressed data per cartridge and speeds of around 50GB/hr (assuming 2:1 data compression)

The HP DAT 160 SCSI drive is available with a native SCSI interface in a range of models including internal to fit servers, workstations and rack-mount kits, external and array modules.

Protecting the needs of small or medium business, the highest capacity and performance DAT drive with up to 160GB compressed data per cartridge and speeds of around 50GB/hr (assuming 2:1 data compression)

The USB 2.0 interface provides plug-and-play connectivity, enabling backup to be initiated from straight out-of-the-box in less than 60 seconds.

Protect your small or medium business, remote office or workgroup with the HP StorageWorks DAT 72 USB Tape Drive providing a balance of price and performance with up to 72GB of compressed data on a single cartridge at speeds of up to 23GB/hr (assuming 2:1 data compression).

The USB 2.0 interface provides plug-and-play connectivity, enabling backup to be initiated from straight out-of-the-box in less than 60 seconds.

The HP DAT 40 SCSI drive is available with a native SCSI interface in a range of models including internal to fit servers, workstations and rack-mount kits, external and array modules.

The USB 2.0 interface provides plug-and-play connectivity, enabling backup to be initiated from straight out-of-the-box in less than 60 seconds.

• Based on industry-standard DDS technology -- the most popular server backup technology of all time, providing customers will all the benefits of an open standard including better pricing, wider availability and faster development cycles
• Proven reliability -- HP has increased reliability specifications for HP DAT drives based on real field data. Mean-Time-Between-Failure rates (MTBF) are now more than 1 million hours at a typical duty cycle of 12%
• Low-cost of ownership - Lowest media price (in $/GB) of any tape backup technology
• Up to 80GB native capacity on a single tape -- 160GB at 2:1 compression -- with DAT 160 tape drive
• Up to 6.9 MB/s* native data transfer rate -- 13.8 MB/s* with 2:1 compression -- with DAT 160 tape drives * Where 1KB = 1,000 Bytes
• Plug and play -- USB 2.0 interface available for on all drives provides universal native plug-and-play capability and enabling customers to be ready for backup in less than 60 seconds straight out of the box
• SCSI interface available to enable SCSI system connectivity if required
• SAS interface also available for the latest server connectivity
• Flexibility of solutions through a wide choice of models - internal, external, USB, offline hot-swap array module, and rack-mount configurations
• Small size drives and media for easy physical storage - small, 5.25-inch form-factor internal drives.
• Low ongoing maintenance -- automatic head cleaning minimizes the need for cleaning. Intelligent cleaning monitors the performance of the drive and cleans accordingly when a cleaning tape is loaded
• Dependable disaster recovery -- HP StorageWorks One-Button Disaster Recovery (OBDR) for Proliant Systems restores your entire system at the touch of a button
• Supporting tools -- HP StorageWorks Library and Tape Tools available as a download with the drive to make installation, performance tuning and trouble-shooting even easier
• Broad compatibility with a wide range of servers, operating systems, and backup software
• Includes HP Data Protector Express Single Server Edition software and its Bare Metal Disaster Recovery option, see http://www.hp.com/go/dataprotectorexpress/sse.

• Dependable: a long track record of proven reliability
• Easy: supports One-Button Disaster Recovery, simply the easiest way to restore data in the event of a disaster
• Affordable: inexpensive media contributes to an exceptionally low cost of ownership
• Manageable: includes superior management capabilities that makes it easy to install, use and support
• Low-maintenance: automatic head cleaning system reduces the need for cleaning
• Well-connected: compatible with leading operating systems, backup software and servers
• Future-proof: the tape technology with an illustrious past also has a solid roadmap for the future
• Complete: comes with an easy-to-use backup solution that includes disaster recovery capabilities
  

Within the tape market there is a wide range of tape technologies, the question for SMB customers is which one to choose. The answer is clear - DDS/DAT continues to be the unit volume leader in the tape drive market for small and medium businesses with a current installed base of over 6 million units and over 17 million DAT drives shipped since its introduction in 1989. This remarkable tape technology continues to flourish because it meets the needs of the SMB market for cost-effective, reliable backup better than any other technology available. Of the 1.4 million backup tape drives shipped in 2006, IDC estimates that approximately 40% were DAT drives.

Unlike AIT, VXA, ADR, SLR, DLT and SDLT, DDS/DAT is based on an open standard format for data interchange. The influential DAT manufacturers group presides over this open standard with verification processes that ensure compliance. With multiple manufacturers developing and shipping DDS/DAT products, customers benefit from increased competition, which leads to better prices, faster development and more choice.

DDS format for DAT is a helical scan format where data is written diagonally across the width of the tape. The advantage is that, by allowing subsequent tracks to have different writing angles and to overlap, a much greater capacity can be achieved for a given length of tape because no guard bands are necessary. The data format also allows for fast location of tracks and data. To achieve this, the rotating drum is tilted at a slight angle (6°) from the vertical. The drum has four heads (two write heads and two read heads), located at 90° intervals. For each rotation of the drum, two tracks are written. The read heads verify the data that has been written (recorded) and the drive rewrites if necessary. The open format ensures interchangeability between different DDS format drives.

HP has been involved in the design and development of DAT drives since the beginning and applies these many years of experience to its current line of DAT products. Not only does an investment in DAT technology provide the security of a format with a history of outstanding reliability, the legacy of backward compatibility also provides the potential for future expansion without compromising your investment in the technology.

The target market for DAT continues to be direct-attach backup. In small and medium sized businesses cost of ownership, ease of use and a proven history (i.e. low risk) are paramount. DAT technology provides the capacity and performance needed in a tape backup solution for workstations and entry-level servers.

Specific Note on DAT 160
The DAT 160 drive employs the same technology as previous DAT products, and uses DAT 160 wide media in order to achieve higher capacities. However, it maintains the 2 generation backward compatibility promise and can still read and write data to DAT 72 and DAT 40 (DDS-4) cartridges. It does this by recognizing the different tapes (wider DAT 160 and the narrower DAT 72/DDS-4).

HP DAT tape drives are backward read-write compatible with two previous generations, thus:

• DAT 160 also reads and writes DAT 72 and DDS-4
• DAT 72 also reads and writes DDS-4 and DDS-3
• DAT 40 also reads and writes DDS-3 and DDS-2

HP DAT drives have proven to be exceptionally reliable. The drives have demonstrated exceptional performance with customers over many years and across different generations and this has under pinned their popularity.

The drives are designed with reliability in mind and with the security of customer's data as a priority. Hardware reliability is typically measured as MTBF (Mean Time Between Failures) associated with duty cycles which suggests the amount the drive is typically used e.g. 100% duty cycle means the drive is used for 24 hours per day. As a result of field data, the specification for HP DDS products is stated as 125,000 hours at 100% duty cycle, or 1 million hours at a more typical 12% duty cycle (drive used on average for 3 hours per day).

Unlike other manufactures' DAT drives, this specification is not generated in the laboratory with limited numbers of prototype drives and assumptions on customer use; it is generated from real customer data for the products concerned.

HP DDS derives benefit from an automatic head cleaning "sweeper" that can be used during the write or read recovery procedure to dislodge debris from the tape path and recording heads and drive. This feature reduces the need to use a DDS cleaning cartridge for manual cleaning.

Intelligent cleaning determines the cleaning provided by a cleaning cartridge when loaded by monitoring the drive performance when in use. If the drive is performing well, a routine maintenance clean is performed. If the drive has degraded performance the cleaning is automatically made more robust to recover the drive to optimum performance.

HP offers a range of interface options with our DAT Tape Drives in order to meet the varying needs of our customers. HP DAT drives are available with a choice of: the standard SCSI interface where legacy SCSI connectivity is required, USB 2.0 interface for universal plug and play connectivity and a SAS interface option for the very latest in server connectivity.

Native SAS – Serial Attached SCSI

As its name suggests, SAS delivers a new generation of technology based on a development of the classic SCSI interface. First introduced in May 2002, the SAS interface leverages the proven SCSI protocol to deliver new levels of scalability, flexibility, and cost-effectiveness for today's system connectivity, data transport, and data storage.

HP has introduced DAT 160 with a native SAS interface that allows customers to directly connect and backup SAS configured servers and take advantage of the latest connectivity trends.

Why SAS?

For over 20 years, the parallel bus interface has been the mainstream storage interconnect for most storage systems. While technologies like parallel SCSI meet most performance requirements of today's enterprise solutions, continued demands for higher speeds, increasingly robust data integrity, smaller designs and wider standardization have cast doubt on the ability of parallel technologies to economically keep pace with increasing CPU processing power and disk drive speeds. SAS is the new evolution of SCSI technology designed to overcome the limitations of the SCSI architecture and delivers a number of benefits to enterprise systems:

New levels of performance – SAS is capable of moving data at speeds of up to 3Gigabits per second, with a clear roadmap to 12Gbs in the future. A SAS connection can support four SAS wide lanes or potentially 4 x 300MB/s per connection.

Increased availability – another benefit of SAS-based storage subsystems is the native dual port capability of each SAS drive, providing a redundant path to each drive in the event of a controller failover. In addition, since each drive is on a separate point-to-point connection, losing a drive connection only affects a single drive. Compare this to parallel SCSI in which losing a bus affects all the drives on the bus. Point-to-point also means that each device has the ability to connect multiple initiators, allowing peripherals to be shared between several servers.

Greater flexibility – probably the best known benefit of SAS for external storage is its configuration flexibility. A SATA drive can be plugged into a SAS mid-plane without any modifications or changes, the controller and the software will seamlessly support a system with a mix of SATA and SAS disk drives.

Why choose a SAS interface DAT drive?

The above benefits of SAS explain why system manufacturers, including HP, are rapidly moving to SAS interfaces to connect internal peripherals. Customers purchasing a HP DAT Tape Drive with native SAS interface can benefit from:

Wide availability of SAS ports – SAS interfaces are now widely available on servers and systems. Furthermore with server I/O bus technology moving from PCI-X to PCI-Express (PCI-e), customers may find it difficult to obtain Parallel SCSI host bus adapters for the PCI-Express bus.

Increased flexibility – SAS has the ability to connect multiple initiators, allowing the tape drive to be shared between several servers.

Investment protection – this new generation interface is supported by a robust multi-vendor roadmap and already boasts a clear future out to 12GB/s.

Installing SAS tape drives

HP StorageWorks SAS tape drives are available as internal and external models. Both models are supplied with a special split cable that allows you to connect to an internal port (if available) on the embedded SAS controller inside the server. While connection via the split cable provides the most cost-effective way of connecting the tape drive to an HP ProLiant server, this will require a clear understanding of your server's current SAS configuration before installing.

For the most up-to-date information about recommended SAS HBAs and supported cabling configurations with your make and model of server, always refer to http://www.hp.com/go/connect. A full installation guide is included with the product.

Native USB

The USB (Universal Systems Bus) interface was conceived out of a need to simplify computer peripheral device connection. It has been so successful that the majority of computer systems and servers shipped today offer multiple native USB 2.0 ports.

HP is the first company to develop a native USB DDS/DAT tape drive. Where other "USB tape drives" rely on a USB converter, HP's USB interface is fully integrated with the drive and uses the SCSI command set within the USB payload. The benefit of this implementation is that it gives the drive full SCSI functionality and the flexibility of USB without the additional cost of a converter.

By offering native USB 2.0 DAT drives, HP aims to provide customers with a number of benefits:

• Greater usability
  
• Plug-and-play connectivity - the system automatically detects and configures the tape drive.
  
• The DAT drive is installed and ready to backup in less than 60 seconds.
  
• Microsoft fully supports USB devices natively in their operating systems providing robust, secure configuration and installation wizards.
  
• Cables are easily identifiable, easy to attach without the need for thumb-screw and robust enough to ensure reliable retention.
  
• Resource abundance
  
• Native USB ports are universally available in systems and servers
  
• Multiple ports ensure that port resources are widely available, reducing the conflict between devices over scarce connectors.
  
• Port expansion is easy, USB hubs can be installed to add additional ports supporting up to 127 devices on a system
  
• Low cost, reliable connectivity
  
• By providing native USB DDS/DAT drives there is no need for customers to purchase additional host-bus adapters
  
• HP's USB 2.0 implementation benefits from the built-in reliability and failure recovery inherent in the underlying SCSI protocol
  
• USB 2.0 has multiple levels of physical error detection and recovery which ensure reliability on a par with SCSI and Fibre-channel interfaces.
  
• USB 2.0 compliance certification provides thorough, ongoing reliability and quality control. A well implemented USB network should use only USB 2.0 compliant components, including USB 2.0 certified cables.
  
• Sustainable performance
  
• In HP tests it has been shown that USB 2.0 can sustain the performance of an HP DDS/DAT drive at around 30MB/sec, a bandwidth that would sustain the HP DAT 72 drive operating with a compression ratio of 9:1!
  
• USB 2.0 performance provides sufficient bandwidth to support all future generations of DDS/DAT drives specified on the DAT Manufacturers Group Roadmap

Native SCSI

In addition to offering native USB and SAS connectivity, HP remain committed to producing DAT drives with SCSI interfaces for the foreseeable future. This widely respected interface continues to meet mainstream server requirements for performance and reliability.

DDS uses built-in hardware compression using the 'DCLZ' data compression algorithm. Data compression is host-selectable with the default that compression is turned on. Typical data compression is 2:1, but actual compression depends on the type of data being compressed and can be more or less than 2:1.

NOTE: this feature is available for SCSI products. USB variants of HP DAT drives already benefit from hot-plug capability through the USB 2.0 interface.

The HP StorageWorks DAT SCSI tape drives are available as offline hot-swap models to increase your uptime. With these models, you never have to take down your system to replace a failed or non-responding tape device.

The HP StorageWorks Tape Array 5300 supports "offline hot-swap" (sometimes referred to as "warm-swap") array modules, including DAT drives. This means the drives can be removed and replaced with the power on and the SCSI cables attached to the server. Because the array's SCSI buses are not buffered, however, drive replacement should only take place while the SCSI bus is quiescent (no SCSI activity from the tape drive or any other device on the same bus).

With the HP StorageWorks DAT or array modules, the server does not need to be taken offline to install the tape drive. Simply insert the tape drive into the server's Tape Array 5300's drive bay and install or configure the backup software.

HP DAT SCSI drives are supported on the HP StorageWorks 1U and 3U Rack-Mount Kits and the HP StorageWorks Tape Array 5300. The 3U Rack-Mount Kit and the Tape Array 5300 allow up to four internal DAT drives to be installed in 3U of rack space, while the 1U Rack-Mount Kit holds two DAT drives in 1U of space. 1U rack-mount kits use standard internal DAT USB and SCSI drives for a low-cost solution. 3U rack-mount kits use standard internal DAT SCSI drives while the Tape Array 5300 uses DAT array modules that provide offline hot-swap capabilities and redundant components for high-availability environments.

Either of these rack enclosures can be configured with separate SCSI buses (channels) for each drive or two or more drives per bus using the optional cable kits.

NOTE: Please refer to the QuickSpecs for HP StorageWorks Rack-Mount Kits at http://h18000.www1.hp.com/products/quickspecs/10854_div/10854_div.html
or the HP StorageWorks Tape Array 5300 web page at http://www.hp.com/products1/storage/products/tapebackup/tapearrays/tapearray5300/index.html
for further information.

With HP One-Button Disaster Recovery, you can quickly, reliably and simply restore your entire ProLiant system just by inserting the most recent backup tape and pushing one button on the tape drive. Your HP StorageWorks DAT drive will restore your operating system, configuration, applications, drivers and data files. There's no longer a need to search for software disks and manuals. And with downtime reduced, the costs of recovery are minimized too. There's no need to make a new set of disaster recovery disks each time the network configuration is altered or a peripheral is added. Recovering from a disaster manually at a stressful time makes for an error-prone process. The sheer simplicity of HP One-Button Disaster Recovery means less human error. Backup and disaster recovery preparation -- previously two separate tasks -- become one process. OBDR is simply the best disaster recovery product for small to medium systems. For a current list of servers, workstations, and software that support OBDR, check the tape backup compatibility pages at: http://www.hp.com/go/obdr

The HP StorageWorks DDS/DAT tape drives include HP Data Protector Express Single Server Edition software. This easy to use backup application, based on Data Protector Express, robustly protects a single Windows, Linux or NetWare server. Also included is the Data Protector Express Bare Metal Disaster Recovery (BMDR) option which provides automated system recovery of the server following a major hardware or software failure. The fastest method to recovery the server is to use the Data Protector Express BMDR option and the One Button Disaster Recovery feature of the HP StorageWorks DDS/DAT tape drives. For more information about Data Protector Express Single Server Edition please visit: http://www.hp.com/go/dataprotectorexpress/sse.

As well as getting the Data Protector Express Single Server Edition software as part of the HP StorageWorks DDS/DAT tape drives solution, purchasers can easily and economically upgrade to the class-leading Data Protector Express backup/recovery software. This is a special part number, only available for registered users of Data Protector Express Single Server Edition for that gives a significant discount off the regular price of Data Protector Express, to recognize the value of the in-box software.. For more information upgrading Data Protector Express Single Server Edition to Data Protector Express visit:
http://www.hp.com/go/dataprotectorexpress/sse/upgrade.

If the HP StorageWorks DDS/DAT tape drive is for a large environment that requires UNIX support and/or enterprise class application and feature support then HP Data Protector is the recommended backup/recovery software. For more information and evaluation software please visit http://www.hp.com/go/dataprotector.

HP StorageWorks DAT SAS drives are compatible with HP ProLiant servers, Integrity Servers, and HP Workstations, as well as many third-party servers. HP StorageWorks DAT SAS drives are supported on the following classes of HP systems:

• HP ProLiant DL servers
• HP ProLiant ML servers
• HP Integrity servers
• HP Personal Workstations

For details of which tape drive models work with which systems, including third-party systems, visit http://www.hp.com/go/connect for the latest hardware compatibility information.

HP StorageWorks DAT SCSI drives are compatible with HP ProLiant servers, HP 9000 servers, Integrity Servers, Alpha Servers and HP Workstations, as well as many third-party servers. HP StorageWorks DAT SCSI drives are supported on the following classes of HP systems:

• HP ProLiant DL servers
• HP ProLiant ML servers
• HP Alpha Servers
• HP 9000 servers
• HP Integrity servers
• HP Personal and RISC Workstations

For details of which tape drive models work with which systems, including third-party systems, visit http://www.hp.com/go/connect for the latest hardware compatibility information.

HP StorageWorks DAT USB drives are compatible with HP ProLiant servers and HP workstations, as well as many third-party servers. HP StorageWorks DAT USB drives are supported on the following classes of HP systems:

• HP ProLiant DL servers
• HP ProLiant ML servers
• HP Personal Workstations

For details of which tape drive models work with which systems, including third-party systems, visit http://www.hp.com/go/connect for the latest hardware compatibility information.

NOTE: HP recommends that no more than one DAT USB tape drive be connected to a system at a time.

HP Care Pack Services offer upgraded service levels to extend and expand your standard product warranty with easy to buy, easy to use support packages that help you make the most of your hardware and software investments. They let you choose the support levels that meet your business requirements, from basic to mission-critical. They help you contain total cost of ownership.

HP Care Pack warranty extensions can be purchased along with HP products to cost-effectively upgrade or extend your warranty. For many products, post-warranty HP Care Pack Services are available when your original warranty has expired.

Why purchase an HP Care Pack service?

Your standard warranty protects against product defects. HP Care Pack Services help you guard against unplanned downtime, which can reduce your productivity and profitability. These convenient service packages:

• Protect your investment in HP products
• Provide consistent, predictable levels of support across your entire department or business
• Ease budget planning with fixed-cost support that includes parts and labor
• Give you direct access to proven technical and problem-solving expertise
• Offer a choice of response-time and repair-time commitments
• Deliver prompt, measurable results
• Are available whenever and wherever you do business

HP Care Pack availability may vary by country and product.

Supporting your Adaptive Enterprise journey

HP Services helps you make the Adaptive Enterprise real for your organization. The breadth, depth, and quality of HP hardware and software support services can help you improve the performance of your IT support processes and resolve the complex software and hardware problems that tax user productivity. HP Care Pack services help you increase IT environment stability, efficiency, and agility from the desktop to the data center, and improve the productivity of your employees.

Hewlett-Packard provides a 3-year, next-day, product exchange, limited warranty, for all StorageWorks DAT Tape Drives (excluding the StorageWorks DAT24 USB Tape Drive), plus 9x5 phone--support for the duration of the warranty.

For more information about HP's Global Limited Warranty and Technical Support, visit: ftp://ftp.compaq.com/pub/products/storageworks/warranty/EN_321708-008.pdf

In order to maximize ROI and product uptime, and minimize the cost of ownership, Hewlett Packard recommends:

3 years 24 x 7 Hardware Support

• Guards against downtime, which reduces productivity and profitability
• Eases budget planning with fixed-cost support that includes parts and labor
• Direct access to proven technical and problem-solving expertise

• Improve the productivity of system managers and operators
• Improve system performance and reduce downtime due to software defects
• Expedite problem resolution through expert-level technical resources
• Enjoy consistent service coverage across geographically dispersed sites
• Update HP and selected third-party software at a predictable cost
• Take advantage of subscription savings on software updates
• Keep your license compliancy up-to-date

Key for HP Care Pack service availability in the table below:

E = Service available for customers purchasing direct and via enterprise resellers
C = Service available for customers purchasing via commercial resellers
N/A = Service not applicable

Support Portal
The HP support portal provides one-stop access to the information, tools and services you need to manage the daily operations of your IT environment.

Features include:

• Access to self-solve tools (including search technical knowledge base)
• Efficient logging and tracking of support cases
• Collaboration with other business and IT professionals
• Download of patches and drivers
• Access to diagnostic tools
• Proactive notification of relevant information

Access to certain features of the support portal requires an HP service agreement. To access the support portal, visit http://www.hp.com/support.