QuickSpecs
Compaq 4/8-GB DAT Drive
Models
4/8-GB DAT Drive |
295353-B22 (Opal
Bezel Color) |
Next-generation DAT drive utilizes DDS2 technology to perform up to
25 percent faster, and a new mechanism reduces the need for cleaning.
Protects servers up to 8 GB in capacity
Improved Reliability
New advancements in tape technology have produced a tape drive which
requires less cleaning and provides improved backup/restore operation.
Improved Performance
This new version of the industry-standard DDS-2 DAT Drive provides a
Maximum 3.6 GB per hour data transfer rate, which is up to 25 percent
greater than other DDS-2 drives.
Industry-Standard DDS-2
DDS-2 format with increased capacity and over twice the data-transfer
rate of DDS1 drives; compatible with DDS1 tapes to read and write to
DDS1
Compression
Built-in hardware compression
Compatibility and Integration Testing
Fully tested on a variety of Compaq products, including Prosignia and
ProLiant Systems
Operating
Environment Support |
Microsoft Windows NT |
Supported under Microsoft Windows NT using the Windows NT 4.0
Backup utility supported using Computer Associates ARCserveITÒ
6.61 and higher for NT or VERITAS Backup Exec 7.3 and higher
for NT |
Novell NetWare |
Supported under NetWare 3.x and higher using Computer Associates
ARCserveIT 6.61 and higher or VERITAS Backup Exec 8.0 and higher |
SCO UNIX |
Native support under
SCO OpenServer v 5.x UnixWare v 7.x |
Option Kit Contents
DAT Drive
4-GB DDS2 DAT Cassette
Cleaning Cassette
Mounting Bracket
Documentation
Specifications
Warranty |
Three-year parts, one-year, 24-hour swap |
Recommended Maximum Server Size |
< 8 GB |
Capacity |
|
Native |
2-1
DC |
120
Meter (DDS-2) |
4 GB |
8 GB |
Transfer Rates |
Native (maximum) |
1.8 GB/hour |
Native (typical) |
1.4 GB/hour |
2:1 Compression (maximum)
|
3.6 GB/hour |
2:1 Compression (typical)
|
2.8 GB/hour |
Data Access Time |
Average
load/unload swap time |
<14
seconds |
Search
Speed |
Average
of 40 seconds to any point on a 120-meter tape |
Physical Dimensions |
|
5.25 inch Half Height
Tape Width
Tape Length |
1.6 H, 4 W, 5.9 D (inches)
41 H, 102 W, 150 D (mm)
0.15 in/3.81 mm
393 ft/120 m |
Tape Format |
Recording Method |
Helical Scan |
Recording Format |
ANSI/ECMA DDS-DC |
Data Compression |
Lempel-Ziv (DCLZ) |
Error Detection/Correction |
Reed Solomon (3 levels) |
|