User's Guide
Table Of Contents
- SCSI Command Support
- SCSI Commands
- Initialize Element Status - 07h
- Initialize Element Status With Range - E7h
- Inquiry - 12h
- Log Sense - 4Dh
- Mode Select (6) - 15h
- Mode Select (10) - 55h
- Mode Sense (6) - 1Ah
- Mode Sense (10) - 5Ah
- Mode Pages
- Move Medium – A5h
- Persistent Reserve In – 5Eh
- Persistent Reserve Out – 5Fh
- Position to Element – 2Bh
- Prevent Allow Medium Removal – 1Eh
- Read Buffer – 3Ch
- Read Element Status – B8h
- Release Element (6) – 17h
- Release Element (10) – 57h
- Report LUNS – A0h
- Request Sense – 03h
- Request Volume Element Address - B5h
- Reserve Element (6) - 16h
- Reserve Element (10) - 56h
- Send Diagnostic - 1Dh
- Send Volume Tag - B6h
- Test Unit Ready (00h)
- Write Buffer (3Bh)
Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 89
Send Diagnostic - 1Dh
What the Library Does With This Command
If the Self Test option is requested, the library executes a pre-defined diagnostic.
Command Usage
This command can be used to verify the operational status of the library and its components.
Send Diagnostic CDB Format
The SEND DIAGNOSTIC CDB format is shown in the following table.
Page Format (PF) – Diagnostic pages are not supported and this field should be set to 0.
SelfTest - When set to 1 the library will perform a predefined self-test. The SEND DIAGNOSTIC command
will not return until this completes, and command completion status will indicate the results of this test. When
set to 0, the self-test is not performed.
Device Offline (DevOfl) - This field is not supported and should be set to 0.
Unit Offline (UnitOfl) - This field is not supported and should be set to 0.
Parameter List Length - This field is not supported and should be set to 0.
Table 85 SEND DIAGNOSTIC CDB format
Bit
Byte
76543210
0 Op Code (1Dh)
1 Logical Unit Number PF Rsvd
SelfTest
DevOfl UnitOfl
2 Reserved
3
Parameter List Length
4
5 Control