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Chapter 5: Media
WORM (Write Once, Read Many) Cartridge
72
QuantumLTO-8 HH SAS User’s Guide
Capacity Scaling
To control the capacity of the cartridge (for example, to obtain a faster
seek time) issue the SCSI command
SET CAPACITY.
For information
about this command, refer to the Quantum System Storage Ultrium
Tape Drive SCSI Reference.
WORM (Write Once, Read Many) Cartridge
Certain records retention and data security applications require a Write
Once, Read Many (WORM) method for storing data on tape. The LTO
Ultrium 4 and later drives enable WORM support when a WORM tape
cartridge is loaded into the drive.
Note:
WORM format is not available for Ultrium 7 M8 format
cartridges.
Worm Media
Because standard read/write media are incompatible with the WORM
feature, a specially formatted WORM tape cartridge (see
page 73) is required. Each WORM cartridge has a unique, worldwide
cartridge identifier (WWCID), which comprises the unique CM chip serial
number and the unique tape media serial number.
Ultrium 7
Read/Write
Read/Write
Read Only
Ultrium 6
Read/Write
Read/Write
Read only
Ultrium 5
Read/Write
Read/Write
Read only
Ultrium 4
Read/Write
Read/Write
Quantum
Ultrium
Tape Drive
Quantum LTO Ultrium Data Cartridges
12000 GB
Ultrium 8
6000 GB
Ultrium 7
2500 GB
Ultrium 6
1500 GB
Ultrium 5
800 GB
(Ultrium 4)
400 GB
(Ultrium 3)
Summary of Contents for LTO-8 HH SAS
Page 1: ...Technical Reference Manual Quantum LTO 8 HH SAS User s Guide 6 68132 03 Rev A...
Page 8: ...Contents viii QuantumLTO 8 HH SAS User s Guide...
Page 30: ...Chapter 2 Introduction Specifications 22 QuantumLTO 8 HH SAS User s Guide...
Page 40: ...Chapter 3 Installation Updating firmware 32 QuantumLTO 8 HH SAS User s Guide...
Page 74: ...Chapter 4 Operations Diagnostic and Maintenance Functions 66 QuantumLTO 8 HH SAS User s Guide...
Page 92: ...Chapter 5 Media Disposing of Tape Cartridges 84 QuantumLTO 8 HH SAS User s Guide...
Page 108: ...Appendix A Error Codes and Messages 100 QuantumLTO 7 HH SAS User s Guide...
Page 110: ...Appendix B Tape Alert Flags 102 QuantumLTO 7 HH SAS User s Guide...
Page 126: ...Glossary 118 Quantum LTO 7 HH SAS User s Guide...