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Chapter 2: Introduction
Speed Matching
16
Quantum LTO-5 HH SAS Model C User’s Guide
Table 2 Performance
Parameters
If the server's net (compressed) data rate is between two of the
preceding native data rates, the drive calculates the appropriate data
rate at which to operate. Speed matching dramatically reduces back-
hitch, the condition that occurs when a tape stops, reverses, and
restarts motion. A back-hitch is usually the result of a mismatch
between the data rates of the server and the drive.
Ultrium Generation Media
Generation 5
Media
Generation 4
Media
Generation 3
Media
Speed matching
data rates (MB/sec)
140.0
120.0
80.0
130.0
113.1
76.1
120.0
106.0
72.3
112.7
99.2
68.4
105.5
92.3
64.6
98.2
85.3
60.7
90.9
78.5
56.8
83.6
71.4
53.0
76.4
64.6
59.2
69.1
57.6
45.3
61.8
50.7
41.5
53.5
43.8
37.6
46.3
36.9
33.8
40.0
30.5
30.0
Summary of Contents for LTO-5 HH SAS C
Page 1: ...Technical Reference Manual Quantum LTO 5 HH SAS Model C User s Guide 6 68131 01 Rev A...
Page 36: ...Chapter 3 Installation Updating Firmware 30 Quantum LTO 5 HH SAS Model C User s Guide...
Page 84: ...Chapter 5 Media Disposing of Tape Cartridges 78 Quantum LTO 5 HH SAS Model C User s Guide...
Page 90: ...Chapter 6 Troubleshooting Pre Call Checklist 84 Quantum LTO 5 HH SAS Model C User s Guide...
Page 100: ...Appendix A Error Codes and Messages 94 Quantum LTO 5 HH SAS Model C User s Guide...
Page 102: ...Appendix B Tape Alert Flags 96 Quantum LTO 5 HH SAS Model C User s Guide...
Page 118: ...Glossary 112 Quantum LTO 5 HH SAS Model C User s Guide...