Tape Storage

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Storage Management
DLT 8000 tape drives
 
The DLT 8000 tape drive stores up to 40 gigabytes of uncompressed data on a single cartridge at speeds as high as six megabytes per second. This capacity and performance makes the DLT 8000 tape drive a good choice for backup, archiving and disaster recovery on network storage and midrange systems.
Spec Summary
   
Capacity, native (uncompressed): 40 GB
 
Interface: Single port Ultra 2 SCSI, 68 pin female connector single port, shortwave, multi-mode optical Fibre Channel port SC duplex connector
Average file access time : 60 sec
Data transfer rate, native (uncompressed): 6 MB/sec
 
 
Applications
Archiving
DLT 8000 tape drives are a practical choice for efficient archiving of growing volumes of business data. Expansion of existing archival environments is straightforward because the DLT8000 drive is compatible with previous DLT tape generations.

*Intermixing DLT 8000 with DLT 7000 or DLT 7000E drives within the same library is not recommended.
Disaster recovery
The DLT8000 tape drive is an excellent expansion tool for disaster recovery environments built on DLT technology. The DLT8000 drive can be used almost interchangeably with existing DLT tape drives* as a local or remote component of a disaster recovery network.
Backup and restore
Using the DLT 8000 tape drive for backup and restore increases performance without requiring library, software or media changes to existing DLT tape environments. The DLT8000 tape drive can be used in combination with other drives* to match specific backup and restore performance and capacity needs.
 
Benefits
Higher capacity, performance
The DLT 8000 drive provides 15 percent more native capacity and 20 percent faster performance than the DLT 7000 drive that it replaces.
Investment protection
These drives use industry-standard Quantum DLT 8000 tape technology, which is integrated into leading tape automation products, including the StorageTek® L-Series™ tape libraries.
Enhanced data protection
The DLT 8000 recording head boasts an average life of 50,000 hours, and the drive has a mean time between failure (MTBF) rating of 250,000 at 100 percent duty cycle.
Faster backup/restore
Faster throughput and more capacity enable you to complete backup and restore operations in less time.
 
Features
Standard features:
More read/write channels
For higher performance, the DLT 8000 drive provides four read/write channels.
Fewer moving parts
The DLT 8000 drive’s more direct, gentler tape path with fewer moving parts is designed for 100 percent duty cycle applications.
Reliable media
DLT 8000 tape media has a shelf life of 30 years and a working life of one million passes.
Read/write compatibility
The DLT 8000 drive is read/write compatible with previous DLTtape formats, including DLT 4000 and DLT 7000 tape formats.
 
Specifications
  Performance
     
  Access time*  
  Tape load and thread to ready: 12 sec formatted, 40 sec unformatted
 
  Average file access time : 60 sec
 
  Unload time: 21 sec
 
  Data transfer rate, native (uncompressed): 6 MB/sec
 
  Capacity
     
  Capacity, native (uncompressed): 40 GB
 
  Availability
     
  Mean time between failures (MTBF)  
  Tape load: 250,000 hr @ 100% duty cycle
 
  Head life: 30,000 hr
 
  Uncorrected bit error rate: 1x10(-17)
 
  Undetected bit error rate: 1x10(-27)
 
  Compatibility
     
  Interface  
  Interface: Single port Ultra 2 SCSI, 68 pin female connector single port, shortwave, multi-mode optical Fibre Channel port SC duplex connector
 
  Burst transfer rate: LVD 80 MB/sec, HVD 40 MB/sec
 
  Read/write compatibility interface: NL_Port, FC-PLDA (hard and soft AL-PA capability), FC-AL, FCP-2, FC-TAPE
 
  Emulation modes: Proprietary format
 
  Mechanical
     
  Form factor: 5.25 in (full height) 8.0 in (full length)
 
  Environmental
     
  Temperature  
  Operating: +50° to +104° F (+10° to +40 C )
 
  Non-operating: -40° to +140° F (-40° to +66° C )
 
  Humidity  
  Operating: 20%-80%
 
  Non-operating: 10%-95%
 
  Power
     
  Voltage (L180 / L700e): 100-240 VAC @ 50-60 Hz
 
  Voltage (L20 / L40 / L80): +5 VDC, +12 VDC
 

Copyright © 2003 [Millennia Infokom Technologi]. All rights reserved.
Revised: December, 2003