DLT1/VS80 SCSI Interface Guide
81-81276-01 Rev A01
July 2004
4-117
Due to power cycle, code update, and data cartridge loaded conditions, it is possible to get multiple
check conditions on a TEST UNIT READY command.
Figure 4-75.
TEST UNIT READY (00h) Command Descriptor Block — Data Format
4.24 VERIFY (13h)
The VERIFY command tells the tape drive to verify one or more blocks beginning with the next block
on the medium. VERIFY validates both CRC and ECCs.
Figure 4-76.
VERIFY (13h) Command Descriptor Block — Data Format
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (00h)
1
Logical Unit Number
Reserved
2 – 4
Reserved
5
Unused
Reserved
Flag
Link
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (13h)
1
Logical Unit Number
Reserved
Immed
BC
Fixed
2 – 4
(MSB)
Verification Length
(LSB)
5
Unused
Reserved
Flag
Link
Table 4-69.
VERIFY (13h) Command Descriptor Block — Field Descriptions
Field Name
Description
LUN
Logical Unit Number. The target ignores this field. Only an IDENTIFY message
can change the LUN.
Immed
Immediate. When set, the VERIFY command completes before any media
movement takes place, that is, when processing has been initiated.
Summary of Contents for DLTtape DLT1
Page 1: ...DLT1 VS80 SCSI Interface Guide...
Page 6: ...DLT1 VS80 SCSI Interface Guide vi July 2004 81 81276 01 Rev A01 Notes...
Page 12: ...Table of Contents xii July 2004 81 81276 01 Rev A01 Notes...
Page 16: ...List of Figures xiv July 2004 81 81276 01 Rev A01 Notes...
Page 20: ...List of Tables xviii July 2004 81 81276 01 Rev A01 Notes...
Page 24: ...Chapter 1 Introduction 1 4 July 2004 81 81276 01 Rev A01 Notes...
Page 32: ...Chapter 2 General SCSI Bus Operation 2 8 July 2004 81 81276 01 Rev A01 Notes...
Page 42: ...Chapter 3 SCSI Messages 3 10 July 2004 81 81276 01 Rev A01 Notes...
Page 181: ......