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The IBM 3581 Ultrium Tape Autoloader is an external, stand-alone, or rack-mounted autoloader that incorporates an IBM Ultrium LTO Tape Drive.
The IBM 3581 Model L17 has seven cart slots, 0.7 TB data capacity (native), 1.4 data capacity (comp.), and one Ultrium tape drive. The L17 Model is equipped with a Low-Voltage Differential (LVD) Ultra2 SCSI interface.
Highlights
Tape capacity up to 100 GB native per cartridge (200 GB with 2:1 compression)
Seven storage slots
Data transfer rate up to 15 MB per second (uncompressed), up to 30 MB per second with 2:1 compression
Optional bar code reader
External, self-powered packaging
Front-panel LCD displays
Support for a wide variety of backup/restore software
Adherence to Linear Tape-Open (LTO) specifications
Description
The 3581 Ultrium Tape Autoloader is an external, stand-alone or rack- mounted autoloader that incorporates an IBM Ultrium Tape Drive. It attaches to RS/6000, RS/6000 SP, Netfinity, and other UNIX and PC servers supporting AIX**, Sun Solaris, HP-UX, Microsoft Windows 2000, and Microsoft Windows NT open systems with a Small Computer Systems Interface (SCSI). The 3581 Ultrium Tape Autoloader capacity is seven tape cartridges, providing a media capacity of up to 700 GB (1.4 TB with 2:1 compression) data storage per library and a sustained data rate of up to 15 MB per second (uncompressed).
In addition to reading and writing on IBM LTO Ultrium-format tape data cartridges, the 3581 provides an excellent migration path from DLT, 4-mm, or 8-mm autoloaders or libraries. The 3581 is a very cost-effective solution for backup, save-and-restore, and archiving functions and is part of a family of IBM Ultrium tape automation solutions.
The 3581 is a stand-alone or rack-mounted tape autoloader with a sustained data transfer rate of up to 15 MB per second uncompressed, up to 30 MB with 2.1 compression, depending on the characteristics of the data transferred. The 3581 features data compression hardware that provides an effective capacity of up to 200 GB per cartridge. The 3581 provides a cost-effective solution for save/restore and archiving functions. The number of cartridges is up to seven for a total data capacity of 700 GB native mode, 1.4 TB with 2.1 compression.
The 3581 is server-sized, allowing convenient placement on top of a system server, or two units mounted side-by-side in only 5U of 19-inch rack space. The IBM 3581 Ultrium Tape Autoloader is designed for easy, unattended operation. The 3581 can be operated in sequential or random- access modes. In sequential mode, the 3581 manages cartridge access. In random-access mode, the 3581 relies on application software for cartridge management.
The two 3581 models differ in the interface they provide. Model H17 is equipped with a High-Voltage Differential (HVD) Ultra SCSI interface, and Model L17 is equipped with a Low-Voltage Differential (LVD) Ultra2 SCSI interface. Each model appears as two drives on the SCSI bus. Indicators on the operator's panel provide status on power, autoloader and drive activity, error status, and message information. Controls provide display, mode, and power controls.
Note: Although the 3581 provides the capability for high tape performance, other components of the system may limit the actual performance achieved. Also, although the compression technology used in the tape drive can typically double the amount of data that can be stored on the media, the actual degree of compression achieved is highly sensitive to the characteristics of the data being compressed.
Product Positioning
The IBM 3581 Ultrium Tape Autoloader is an excellent solution for customers who use tape or require a larger-capacity or higher-performance tape backup with or without random access. It can be an alternative product to other externally attached Digital Linear Tape, 1/4-inch, 4-mm, or 8-mm tape devices for RS/6000, RS/6000 SP, Netfinity, and other non-IBM UNIX and Windows servers.
With its higher capacity and performance, the 3581 an excellent replacement for IBM 1/4-inch models (7207), 4-mm models (7206, 7332), 8-mm models (7208, 7331), or DLT models (7205, 7337), and other competitive products where this capability is needed.
For capacity and performance requirements beyond one IBM Ultrium Drive and seven IBM Ultrium Tape Cartridges, consider other solutions in the IBM Ultrium family. These include the IBM 3583 Ultrium Scalable Tape Library and the IBM 3584 UltraScalable Tape Library.
For mission-critical data protection, optimized for enterprise multi- mode and server attachment and read-and write-intensive applications, consider the proven IBM Magstar 3590 Tape Subsystem or the IBM Magstar 3494 Tape Library.
For fast access, near online performance, and multiple retrieve storage applications, consider the IBM Magstar MP 3570 or 3575 Tape Subsystem.
Supported Platforms: AS/400 iSeries RS/6000 pSeries NT Windows 2000 SUN HP xSeries & Netfinity
