SDLT 220 and SDLT 320 Product Manual
CHAPTER 3: Drive Specifications
81-85002-01
March 2004
3-7
3.2.1 SDLT 220/320 Performance Data
Table 3-6
provides performance data for the SDLT system. For a comparison of
SDLT 220/320 storage capacities, refer to
Section 3.1.3, “Storage Capacity” on
page 3-3
.
Table 3-6.
SDLT 220/320 Performance Data
Feature
SDLT 220
SDLT 320
Drive Read / Write
Transfer Rate*
11 MB/second, native
16 MB/second, native
Tracks
56 logical tracks;
448 physical tracks
Same
Track Density
1058 tracks per inch (tpi)
Same
Linear Bit Density
133 Kbits per inch (bpi)
193 Kbits per inch (bpi)
Read / Write Tape Speed
116 inches per second (ips)
122 inches per second (ips)
Rewind Tape Speed
160 ips
Same
Linear Search Tape Speed
160 ips
Same
Average Rewind Time
69 seconds
Same
Maximum Rewind Time
140 seconds
Same
Average Access Time
(from BOT)
70 seconds
Same
Maximum Access Time
(from BOT)
142 seconds
Same
Load to BOT
12 seconds (typical)
40 seconds (unformatted tape)
Same
Unload from BOT
12 seconds
Same
Nominal Tape Tension
Stationary = 3.0 ± 0.5 oz
Operating Speed = 3.5 ± 0.5 oz
Same
* Depending on data type and SCSI bus limitations/system configuration.
Note that data is typical; times may be longer if error recovery time is needed.
Содержание DLTtape SDLT 220
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Страница 34: ...CHAPTER 2 SDLT 220 320 Product Information SDLT 220 and SDLT 320 Product Manual 2 14 March 2004 81 85002 01 ...
Страница 52: ...CHAPTER 3 Drive Specifications SDLT 220 and SDLT 320 Product Manual 3 18 March 2004 81 85002 01 ...
Страница 96: ...CHAPTER 5 Using Your Tape Drive SDLT 220 and SDLT 320 Product Manual 5 20 March 2004 81 85002 01 ...
Страница 108: ...CHAPTER 6 SCSI Description SDLT 220 and SDLT 320 Product Manual 6 12 March 2004 81 85002 01 ...
Страница 136: ...APPENDIX B DLTtape IV Data Cartridge SDLT 220 and SDLT 320 Product Manual B 10 March 2004 81 85002 01 ...
Страница 148: ...Glossary SDLT 220 and SDLT 320 Product Manual G 12 March 2004 81 85002 01 ...
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