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IBM System Storage TS2240

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IBM System Storage TS2240  (3580S4V)

IBM System Storage TS2240

  • Standard LTO
  • Type Bånd

IBM System Storage TS2240 Tape Drive

The new IBM System Storage TS2240 Tape Drive Express Model H4V (SEO/Part 3580S4V), an external stand-alone or rack mountable unit, is designed to offer high capacity and performance for the midrange systems environment. TS2240 incorporates the Linear Tape-Open (LTO) IBM System Storage Ultrium 4 Half-High SAS Tape Drive Version 2 with a maximum throughput performance of up to 120 MB/sec native data transfer rate.

With the use of the IBM LTO Ultrium 4 800 GB Data Cartridge, the Ultrium 4 Tape Drive provides tape cartridge capacity for entry level customers at a low cost. IBM Ultrium 4 Tape Drives can read and write LTO Ultrium 4 and Ultrium 3 data cartridges, and read LTO Ultrium 2 data cartridges.

The TS2240 Model H4V Tape Drive is a member of a family of half-high LTO external stand-alone tape drives. LTO Ultrium 4 media written on the TS2240 tape drive is read and write compatible with the TS2250 H5S Tape Drive.

TS2240 Model H4V Tape Drive uses a 6 Gbps dual port SAS (Serial Attached SCSI) interface for connection to a wide spectrum of system servers. The TS2240 attaches to selected IBM, HP-UX, Sun Solaris, UNIX®, Linux®, and Windows® servers.

TS2240 Tape Drive provides an excellent migration path from digital linear tape (DLT or SDLT), 1/4 in (QIC), 4 mm (DAT), or 8 mm tape drives.

The TS2240 storage enclosure design allows two TS2240 Model H4V Tape Drives to be mounted side by side in a 19-inch IBM server Rack Mount Shelf Kit requiring just 2U of rack space.

TS2240 Tape Drive Express Model H4V incorporates IBM LTO Ultrium technology and offers the following features:

  • Performance: Maximum Ultrium 4 tape drive throughput native data rate performance is up to 120 MB/sec. IBM Ultrium 4 Tape Drives can read and write LTO Ultrium 4 and Ultrium 3 Data Cartridges, and can read LTO Ultrium 2 Data Cartridges.
  • Note: Although the Ultrium 4 Tape Drive provides the capability for excellent 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.
  • Tape cartridge capacity: The tape cartridge physical capacity is up to 800 GB native (1600 GB with 2:1 compression) with the use of the IBM LTO Ultrium 4 800 GB Data Cartridge. The tape itself is an advanced metal particle tape developed to help provide durability and capacity.
  • Compatible with Ultrium 3 and Ultrium 2 cartridges: The Ultrium 4 Tape Drive can read and write Ultrium 3 cartridges, and read Ultrium 2 cartridges.
  • Media compatibility: Media written on the TS2240 external stand-alone tape drive is read and write compatible with the TS2250 tape drive
  • Attachment options: TS2240 Tape Drive Model H4V comes with a 6 Gbps SAS interface for connection to a wide spectrum of open system servers. TS2240 is supported on selected IBM, HP-UX, Sun Solaris, UNIX, Linux, and Windows servers.
  • Digital speed matching: The Ultrium 4 Tape Drive performs dynamic speed matching at one of fourteen speeds to reduce the number of backhitch repositions and improves throughput performance by more closely matching the speed of the data to or from the host. Ultrium 4 speed matching ranges from 30.5 to 120 MB/sec.
  • WORM media support: IBM 3589 Ultrium 4 800 GB WORM Tape Cartridges are designed for applications such as archiving and data retention, as well as those applications requiring an audit trail. These cartridges work with the IBM LTO Ultrium 4 Tape Drive to help prevent the alteration or deletion of user data.
  • Encryption Support: The IBM System Storage TS2240 LTO Ultrium 4 Tape Drive will support data encryption on the base drive with Ultrium 4 media meeting LTO consortium specifications and Application Managed Encryption.
  • Large internal data buffer: There is a 256 MB internal data buffer in the Ultrium 4 Half-high Tape Drive.

Enhanced features in the IBM LTO Ultrium 4 Tape Drive include:

  • Highly integrated electronics using IBM engineered copper technology: This technology is designed to reduce the total number of components in the drive, help lower chip temperatures, and reduce power requirements to provide a more reliable drive.
  • Dual-stage 16-channel head actuator: The actuator is designed to provide precision head alignment to help support higher track density and improved data integrity.
  • Independent tape loader, threader motors, and positive pin retention: These are designed to help improve the reliability of loading and unloading a cartridge, and to retain the pin even if tension is dropped. An independent loader motor, coupled with the positive pin retention, is designed to cause the tape to thread with a higher level of reliability.
  • Servo and track layout technology: The high-bandwidth servo system features a low mass servo to help more effectively track servo bands and improve data throughput with damaged media in less-than-optimal shock and vibration environments.
  • Surface Control Guiding Mechanism: IBM's patented Surface Control Guiding Mechanism is designed to guide the tape along the tape path in the Ultrium 4 Tape Drive. This method uses the surface of the tape to control tape motion, rather than the edges. This helps reduce tape damage (especially to the edges of the tape) and tape debris, which comes from the damaged edges and can accumulate in the head area.
  • Robust drive components optimized for automation environments: To help enhance reliability and prolong the life of the drives, some of the most robust components available are used, such as an all metal clutch, steel ball bearings in loader, robust leader block design, and a single circuit card.
  • Power management: The Ultrium 4 Tape Drive power management function is designed to control the drive electronics to be either completely turned off or placed in a low-power mode when the circuit functions are not needed for drive operation. LTO drive technology focuses on power savings designed to bring the wattage used by the drive down to a target of 5 watts at time of availability. This savings is realized in an unloaded state with no commands being issued to the drive over Ethernet or host interface.
  • Adaptive read equalization: This equalization is designed to automatically compensate for dynamic changes in readback signal response.
  • Dynamic amplitude asymmetry compensation: This dynamically optimizes readback signals for linear readback response from magneto resistive (MR) read head transducers.
  • Separate writing of multiple filemarks: Separate writing of multiple filemarks is designed to cause any write command of two or more filemarks to cause a separate data set to be written containing all filemarks after the first. This feature has two advantages. First, it helps improve performance if a subsequent append overwrites somewhere after the first filemark, and second, write of multiple filemarks typically indicates a point where an append operation might occur after the first of these filemarks. This change helps prevent having to rewrite data sets containing customer data and the first filemark, if such an append occurs.
  • LTO Data Compression (LTO-DC): The Ultrium 4 uses LTO-DC, which is an implementation of a Lempel-Ziv class 1 (LZ-1) data compression algorithm. LTO-DC is an extension of Adaptive Lossless Data Compression (ALDC) and an improvement over previous IBM lossless compression algorithms. IBM's patented Scheme-Swapping compression is designed to look ahead at incoming data, and determine the most efficient storage method (either ALDC or pass-thru mode) to help provide optimal data compression and increase data throughput.
  • LTO Cartridge Memory (LTO-CM): Contained within the LTO Ultrium data cartridge is the LTO-CM, which is a passive, contactless silicon storage device that is physically a part of the cartridge. The LTO-CM is designed to hold information about that specific cartridge, the media in the cartridge, and the data on the media. The storage capacity of the LTO-CM is 8 KB. Communication between the drive and the LTO-CM is via a low-level radio frequency (RF) field transmitted by the drive to the cartridge.
  • Statistical Analysis and Reporting System (SARS): The Ultrium 4 Tape Drive uses SARS to help isolate failures between media and hardware. SARS uses the cartridge performance history saved in the CM module and the drive performance history kept in the drive flash EEPROM to help determine the likely cause of failure. SARS is designed to cause the drive to request a cleaner tape, to mark the media as degraded, and to indicate that the hardware has degraded.

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