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Chapter 4 SCSI Commands
Overview of SCSI Command and Status Processing
DLT-S4 Interface Reference Guide
24
Status and Error
Reporting
4
SCSI command-level errors are communicated by a status code that the
drive returns during
STATUS
. This occurs at the end of each command
unless one of the following events terminates the command:
•
ABORT TASK
,
ABORT TASK SET
, or
CLEAR TASK SET
task
management function is processed so that it affects the command.
•
TARGET RESET
or
LOGICAL UNIT RESET
task management function
is processed.
• Reset condition
• Unexpected disconnect (Parallel SCSI only).
Table 11
describes the status codes the drive returns.
REPORT SUPPORTED TASK
MANAGEMENT OPERATIONS
A3h, SA= 0Dh
1
page 300
REPORT TIMESTAMP
A3h, SA= 0Fh
1
page 302
REQUEST SENSE
03h
page 304
RESERVE (10)
56h
page 317
RESERVE UNIT
16h
page 319
REWIND
01h
page 321
SEND DIAGNOSTIC
1Dh
page 322
SET DEVICE IDENTIFIER
A4h, SA= 06h
1
page 326
SET TIMESTAMP
A4h, SA= 0Fh
1
page 328
SPACE
11h
page 330
TEST UNIT READY
00h
page 332
VERIFY
13h
page 333
WRITE
0Ah
page 334
WRITE ATTRIBUTE
8Dh
page 336
WRITE BUFFER
3Bh
page 340
WRITE FILEMARKS
10h
page 343
1. SA = Service Action
Command
Operation
Code
See