DLT4000 SCSI Interface
DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem 8-13
Synchronous Data Transfer Request (SDTR)
This extended message allows the target and initiator to agree on the values of the
parameters relevant to synchronous transfers. DLT4000 drive will
not
initiate the
Synchronous Data Transfer Request message, but relies on the Initiator to do so. The
SDTR message has the following format:
Byte 0
Extended Message Identifier – 01h
Byte 1
Length = 3
Byte 2
Message Code = 1 (SDTR msg)
Byte 3
Transfer Period (min=50. = 32h)
Byte 4
Transfer Req/Ack Offset (max=15)
Figure 8-2
SDTR Extended Message Format
_________________________ NOTE ____________________________
The tape drive supports initiating synchronous transfer negotiations with
the host, but this feature is disabled by default. To enable it, set the Mode
Select VU ERROM parameter EnaInitSyncNeg.
___________________________________________________________
Summary of Contents for DLT 4700
Page 1: ...DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem Product Manual...
Page 2: ......
Page 160: ...Firmware Update From Tape 7 18 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Page 215: ...DLT4000 SCSI Interface DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 8 55...
Page 304: ...DLT4000 SCSI Interface 8 144 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Page 342: ...Sense Key Information C 6 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Page 359: ...Index DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 7...
Page 360: ...Index 8 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...