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The IBM 3584 UltraScalable LTO Tape Drive Library is part of a family of tape library storage solutions designed for the large, unattended storage requirements from today's mid-range systems up to high-end open systems. Each aspect of the subsystem is designed to optimize access to data and reliability. The 3584 UltraScalable Tape Library is designed to connect to host systems using any combination of Fibre Channel, Ultra2/Wide Low Voltage Differential (LVD) SCSI, or Ultra/Wide High Voltage Differential (HVD) SCSI interfaces.
The IBM 3584 Model D32 expansion frames may be added to the base frame (Model L32) in order to add storage and/or drive capacity. Up to five D32 expansion frames may be added to each base frame. Each 3584 Model D32 frame supports up to 440 storage slots and up to twelve drives, with incremental reduction of storage slots for each set of four drives installed. Each Model D32 frame can have up to 12 logical libraries and 12 control paths.
Highlights
Connectivity using Fibre Channel, Ultra2/Wide Low Voltage Differential (LVD) SCSI, or Ultra/Wide High Voltage Differential (HVD) SCSI interfaces
Increased connectivity, up to 500 meters (1640 feet), with Fibre Channel
IBM multipath architecture supports mixed drive configurations and library sharing between multiple hosts
Description
The IBM 3584 UltraScalable Tape Library is part of the IBM family of tape library storage solutions designed for the large, unattended storage requirements from today's mid-range systems up to high-end open systems. Each aspect of the subsystem is designed to optimize access to data and reliability. IBM LTO Ultrium tape drives are compact storage devices that support the highly intensive read and write operations required by today's open system servers.
The 3584 UltraScalable Tape Library provides an excellent network data backup/archive solution. With the granularity and scalability to follow your requirements from a few servers to hundreds of clients, from gigabytes to terabytes, this powerful pairing will grow with you, protecting your investment.
3584 UltraScalable Library Means High Performance
Industry-leading IBM LTO Ultrium drives can be installed in 3584 UltraScalable Tape Library Models L32 and D32. DLT 8000 drives can be installed in Model D42. To support high performance in a mixed media environment, Models D32 and D42 can be intermixed within a 3584 library, and Model L32 supports attachment of Models D32 or D42. Input/Output stations are located on the Model L32 to facilitate tape loading and unloading.
High Drive Performance
The IBM LTO Ultrium tape drives are designed for high performance in a streaming mode of operation. Automatic data caching, using an expanded cache memory and read/write buffering, enhances performance even further. Aggregate sustained data rates for the library are 108 GB to 7.8 TB/hour with 2:1 compression (six-frame library). The average drive search time to first byte of data is 95 seconds.
Cartridge move time within the 3584 UltraScalable Tape Library is typically less than 3.0 seconds in a single-frame library. A dual- gripper accessor can retrieve the next cartridge to be mounted, unload the current cartridge, and load the next cartridge, providing the following benefits:
Saves complete move operations
Further improves overall library performance
Offers increased redundancy and higher reliability.
Improved Connectivity
The 3584 UltraScalable Tape Library is designed to connect to host systems using any combination of Fibre Channel and SCSI interfaces. Customers who wish to use Fibre Channel should choose drive feature #1456. Customers with systems using a Ultra2/Wide Low Voltage Differential (LVD) SCSI interface should choose drive feature #1454. Customers with systems using an Ultra/Wide High Voltage Differential (HVD) interface should choose drive feature #1455.
The 3584 library supports connectivity to host systems and servers utilizing Fibre Channel adapters. Connection distances up to 500 meters are possible, and by utilizing the IBM 2103 SAN Fibre Channel Storage Hub, or the IBM 2109 SAN Fibre Channel Switch, or the IBM 3534 SAN Fibre Channel Managed Hub, distances exceeding 500 meters are possible.
High Reliability
Leading-edge technology makes the IBM LTO Ultrium tape drives industry leaders and sets the bar for the industry. Highly accurate recording is provided by an exclusive thin-film write module designed by IBM with read after write data verification. Data read is managed by IBM's industry- leading magneto-resistive (MR) heads, designed for accuracy, high reliability, and durability.
The 3584 drives and library robotics are TapeAlert-compatible, providing tape drive and library error and diagnostic reporting. Drive cleaning is an automatic function performed by the library when required by the drive, without requiring operator intervention.
High Granularity in Library Configurations
Features and capacities are designed to match the wide variety of customer requirements.
Designed for Availability
Customers looking for maximum availability with minimum downtime for service-related activities will appreciate the capability for replacing drives and power supplies without having to re-IPL the host systems. Fibre Channel drives require only a quiesce of the individual drive, SCSI-attached drives and control ports require a quiesce of the affected bus.
Model D32 (Expansion Frame)
Five expansion frames (Model D32) may be added to the base frame (Model L32) in order to add storage and/or drive capacity. Each 3584 Model D32 frame supports up to 440 storage slots and up to twelve drives, with incremental reduction of storage slots for each set of four of drives installed. A fully configured 3584 library with one Model L32 frame and five Model D32 frames will support up to seventy-two drives with an aggregate data rate of 7.8 TB per hour (2:1 compression) or up to 2481 storage slots with a total capacity of 248.1 TB native or 496.2 TB with 2:1 compression. Each frame can have up to 12 logical libraries and 12 control paths.
Multi-Path Support for Heterogeneous Server Platforms With Up to Seventy-two Logical Libraries
The Multi-Path feature of the 3584 UltraScalable Tape Library allows the library to be shared by multiple heterogeneous servers sharing the library. This is accomplished by partitioning the library into multiple logical libraries, up to the number of drives installed. Each logical library has its own separate and distinct drive(s), storage slots, and control path(s). I/O slots are shared on a first-come-first-served basis. This type of partitioning allows heterogeneous applications to share the library independent of each other. Cartridges under library control are not shared between logical libraries, nor allowed to be moved between logical libraries. An example of heterogeneous sharing is a Microsoft Windows NT application using the drive and storage slots of one logical library while a UNIX application uses the drive and slots of another logical library. Logical libraries can also be used for scalable application performance, such as up to seventy-two Tivoli Storage Manager servers or 3466 Network Storage Managers.
High-Performance Tape Cartridge
The IBM LTO Ultrium tape cartridge has been designed to provide several enhancements over previous tape technologies. The case is specially designed for use in automated libraries and is designed for repeated, unattended, trouble-free handling. The tape itself is an advanced metal particle tape developed for durability and capacity. The IBM LTO Ultrium tape drive supports the new IBM LTO Ultrium High Capacity Tape Cartridge. Designed for increased tape speeds and high-density data recording, data is recorded 8 tracks at a time for increased performance.
Supported Platforms: AS/400 iSeries RS/6000 pSeries NT Windows 2000 SUN HP xSeries & Netfinity
