User guide
Table Of Contents
- MSA1000 User Guide
- Contents
- About this Guide
- Chapter 1: Introduction
- Chapter 2: Operating System Specific Information
- Chapter 3: MSA1000 Setup and Sample Configurations
- Chapter 4: Operation and Management
- Chapter 5: Array Configuration Utility (ACU)
- Installing the ACU on the Server
- Accessing the ACU
- Description of Screen Regions
- Configuring a New Controller
- Modifying an Existing Controller
- Probability of Logical Drive Failure
- Chapter 6: Command Line Interface (CLI)
- CLI Overview
- CLI Setup
- Help Commands
- Display Commands
- Array Controller Configuration Commands
- LUN Management Commands
- Server Connection Commands
- Selective Storage Presentation/Access Control List Commands
- Appendix A: Regulatory Compliance Notices
- Appendix B: Electrostatic Discharge
- Appendix C: Specifications
- Appendix D: Hard Drive Arrays
- Appendix E: Recovering from Hard Drive Failure
- Appendix F: Controller Display Messages
- Appendix G: Recovery ROM and ROM Cloning
- Appendix H: SCSI ID Assignments
- Index

Command Line Interface (CLI)
145Modular SAN Array 1000 User Guide
Assigning a Name or ID to a LUN
If desired (or required by your operating system), each LUN can be assigned a
unique name or ID in addition to its number. These user-defined names make it
easier to identify specific LUNs in other configuration procedures.
Note: OpenVMS systems require each LUN to have a unique ID. No two devices in the
entire SAN for this OpenVMS system may share ID numbers. LUNs in different storage
systems must have different IDs.
Basic Command
SET UNIT_ID
Example Command
CLI> SET UNIT_ID 0 ABC
Command Options
0
—LUN 0 is being assigned a name.
ABC—is the name to assign to LUN 0. The name of this LUN will be ABC.
Example CLI Response
Identifier “ABC” created for unit 0
Adding a Spare to a LUN
To add a spare to an existing LUN:
Basic Command
ADD SPARE
Example Command
CLI> ADD SPARE UNIT=2 DISK109
Command Options
UNIT=2—the unit to assign the spare to. This is the same number that was
given to the unit when it was created with the ADD UNIT command. In this
example, LUN 2 will have use of the spare.
DISK109—indicates the drives to assign as the spare to the LUN. Disks are
identified by box number and bay number. In this example, drive 9 in box
number 1 is to be used.
230941-005_MSA1000_UG.book Page 145 Thursday, April 17, 2003 5:53 PM