StorageTek 4000, SCSI-3

A-2 8946121402

Logical Unit: A target-resident entity that implements a device model and executes SCSI

commands originated by an application client.

Logical Unit Number: A device or element known by an enclosure that identiﬁes it to the

application client.

Redundancy: The presence in an enclosure of one or more elements capable of automatically

taking over the functions of a failed element.

SCSI: Small Computer Systems Interface.

SCSI Device: A device that is connected to a service delivery subsystem and supports the

SCSI application protocol.

Target: A SCSI device that receives SCSI commands and directs such commands to one or

more logical units for execution.

Contents

Main Page Page Revision History About This Document How This Guide is Organized Reference Documents Notice to the Reader Customer Support Table of Contents Chapter 1 Product Overview Chapter 2 SES Concepts Chapter 3 SES Commands Page Page Page List of Tables Page Chapter 1 Product Overview SES Management Page Page Page Chapter 2 SES Concepts SES Functional Model Page Access to the Enclosure Services Process Access Through an Enclosure Services Device Indicators and Control Management Page Chapter 3 SES Commands Constructs, Commands and Diagnostic Pages FCP Constructs FCP Command Information Unit FCP Transfer Ready Information Unit FCP Data Information Unit FCP Response Information Unit FCP and SES Commands Switch Diagnostics Pages 3-6 8946121402 Switch Page SESD returns the response shown in Table3-10. 8946121402 3-7 n-64 Number_of_Sensors are valid, it contains the hex value of 0003h. Sensor Table Page SESD returns the response shown in Table3-12. Fabric Page 3-8 8946121402 Neighborhood Table Page SESD returns the response shown in Table3-13. Fibre Channel Port Table Page 8946121402 3-9 3-10 8946121402 Name Server Local Table Page i SESD returns the following response as shown in Table3-15. 8946121402 3-11 Inquiry m}{p 3-12 8946121402 If the page code is set to 00h, the SESD will return codes shown in Table3-19. If the page code is set to 80h, the SESD will return codes shown in Table3-20. the switch World_wide Name in ASCII string format Receive Diagnostic Results 3-14 8946121402 Report LUNs SENSE INFORMATION. The SESD reports the LUNs of associated switches with the format shown in Table3-24. Request Sense The SESD returns a sense key of NO SENSE and an additional sense code of NO ADDITIONAL Send Diagnostic Test Unit Ready Reject Chapter 4 Troubleshooting License Reject CHECK CONDITION Invalid Field Errors Page Appendix A Glossary Page Index Page Comment Sheet BUSINESS REPLY MAIL StorageTek Problem Reporting