QuickSpecs

Compaq 35/70-GB DLT Drive

Models

35/70-GB DLT Drive

242521-B21 (External)

242520-B21 (Internal)

The 35/70-GB DLT Drive is a high-end DLT Tape Drive that provides up to a maximum 36 GB/hour backup rate and protects Departmental, high-end servers and Professional Workstations up to a maximum of 70 GB with a single data cartridge.

Note: Typically, users will be able to compress their data at a 2 to 1 ratio; however, compression ratios will vary based on the type of data being compressed.

Improved Reliability
Design enhancements like Symmetric Phase Recording (flexible tape head) and Parallel Channel Architecture
(four Read/Write heads transfer data at the same time) have driven DLT technology upwards in capacity and performance capabilities.
Tape Format
Utilizes industry-standard DLT tape format
Compression
Built-in DLZ hardware compression for improved performance (2:1 compression typical)
Compatibility and Integration Testing
Fully tested on a variety of Compaq ProLiant™ Servers and Professional Workstations
Operating Environment Support
Microsoft Windows NT Supported under Windows NT using the Windows NT Backup utility; supported under ARCserveIT 6.6 for Windows NT or Seagate Software Backup Exec 7.2 for Windows NT
Novell NetWare Supported under NetWare 3.x and above using ARCserveIT 6.6 for NetWare or Seagate Software Backup Exec 8.0 for NetWare
SCO UNIX Supported under SCO UNIX in the Compaq EFS supplement; supported under Legato NetWorker for SCO UNIX
OS/2 Supported under OS/2 and OS/2 WARP
Banyan Banyan Vine 6.X and 7.X
SUN Sunsoft Solaris™ X86
Option Kit Contents
Tape Drive
Tape Cartridge
Mounting hardware
Documentation
Live Trial Partner Software
Warranty
Maximum The remaining warranty of the Compaq PC product in which it is installed (to a maximum three-year limited warranty)
Minimum One-year, on-site limited warranty
Note: Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details.
Service & Support, CarePAQ and Warranty Information
Software Product Services
  • Stand-alone telephone support
  • Rights to new license version
  • Media and documentation updates

Hardware Product Services

  • Installation services
  • On-site maintenance (includes warranty support)
  • Response time upgrades during the warranty period
  • Post-warranty coverage
  • RAID setup and performance consulting via statement of work

For additional hardware installation and maintenance information, please refer to the URLs listed below:
http://www.compaq.com/services/carepaq/cp_installation.html http://www.compaq.com/services/carepaq/cp_hardware.html.

 
Warranty Upgrade Options
  • Response - Upgrade on-site response from next business day to same day 4 hours.
  • Coverage - Extend hours of coverage from 9 hours x 5 days to 24 hours x 7 days.
  • Duration - Select duration of coverage for a period of 1, 3, or 5 years.
CarePAQ Information

Sample part numbers:

  • FM-**XHW-36, 3 year, uplift to 9 x 5, Next Day Response
  • FM-**4HR-36, 3 year, uplift to 9 x 5, 4-hour Response
  • FM-**724-36, 3 year, uplift to 24 x 7, 4-hour Response

** represents a two-digit, product-specific code

  • CarePAQ is defined as an upgrade to the product warranty attribute, available for a specific duration and hours of coverage.
  • CarePAQ is not available for less than the products warranty duration.
  • CarePAQ is available for sale anytime during the warranty period for most products, but the commencement date will be the same as the Warranty Start Date (delivery date to end user customer). Proof of purchase may be required.
  • CarePAQ services are prepaid.

For additional CarePAQ (hardware & software) information, as well as orderable part numbers, please refer to the URL listed below:
http://www.compaq.com/services/carepaq/index.html.

Components
The following brick-level options/components do not have individual CarePAQs. These items will be included in product CarePAQs into which they are installed.

Disk Drives Tape Drives CD/DVD ROM SCSI Hubs in SBBs Adapters
Bus Converters Backplane RAID Controllers Power Supplies Cabling Fans
  
Specifications
Recommended Maximum Server Size 70 GB (unless multiple drives and streams used)
(Typically, users will be able to compress their data at a 2 to 1 ratio; however, compression ratios will vary based on the type of data being compressed.)
Capacity
Without Compression 2-1 DC
(Typically, users will be able to compress their data at a 2 to 1 ratio; however, compression ratios will vary based on the type of data being compressed.)
DLT-III 10 GB 20 GB
(10/20 Data Cartridges are best used for data interchange between various DLT drives.)
DLT-IIIxt 15 GB 30 GB
DLT-IV 35 GB 70 GB
Transfer Rates
Without Compression (maximum)
Without Compression (typical)
2:1 Compression Ratio (maximum)
2:1 Compression Ratio (typical)

5 MB/second
4 MB/second
36 GB/hour
28 GB/hour
(Typically, users will be able to compress their data at a 2 to 1 ratio; however, compression ratios will vary based on the type of data being compressed.)
Data Access Time
Average file access
Average Load time
Mean Time to Data Access
(MTDA
is calculated by adding load time plus average file access.)

60 seconds
48 seconds
108 seconds
 
Dimensions (HxWxD)
5.25 inch Full Height
Tape Width
Tape Length

3.4, 5.84, 9.6 in/8.63 x 14.83 x 24.38 cm
0.5 in/0.52 mm
1,800 ft
Tape Format
Recording Method
Recording Format
Data Compression
Error Detection/Correction
Interface

Helical Scan
ECMA-236, DDS3
Lempel-Ziv (DCLZ)
Reed Solomon (3 levels)
Fast SCSI-2
Environmental  
Power-Internal typical/maximum 37/47 Watts
Power-External typical/maximum 55/69 Watts
Voltage 90 to 254 VAC
Frequency 50 to 60 Hz
Weight-Internal/External 14.9 lbs/6.7 kg
Related Options
DLTtape IV Data Cartridge, Qty 7
DLTtape IV Data Cartridge, Qty 21
DLTtape IV Data Cartridge, Qty 315
295192-B21
217861-B21
217862-B22
DLT Cleaning Cartridge 199704-001
Compatibility
Servers
Compaq ProLiant 7000 Xeon™
Compaq ProLiant 6500 Xeon
Compaq ProLiant 6400R Xeon
Compaq ProLiant 6000 Xeon
Compaq ProLiant 5500R Xeon
Compaq ProLiant 5500 Xeon
Compaq ProLiant 3000R 6/450
Compaq ProLiant 3000 6/450
Compaq ProLiant 1850R
Compaq ProLiant 1600R (100 MHz)
Compaq ProLiant 1600 (100 MHz)
Compaq ProLiant 800 6/350E, 6/400, 6/450 MHz
Compaq ProLiant 400

 


   DA-10235 - U.S. - Version 3 - December 11, 2000 --- Retired on March 1, 2001