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)
151Modular SAN Array 1000 User Guide
Changing Attributes of a LUN
To enable or disable the array accelerator cache for a specific LUN:
Basic Command
SET UNIT
Example Command
CLI> SET UNIT 0 CACHE=DISABLE
Command Options
UNIT 0—the number of the LUN to modify. In this example, LUN 0 will be
modified.
CACHE=ENABLE or DISABLE—either enables or disables the use of the array
accelerator cache for the specified LUN.
Example CLI Response
CLI> SET UNIT 0 CACHE=ENABLE
Cache for unit 0 has been enabled.
CLI> SET UNIT 1 CACHE=DISABLE
Cache for unit 1 has been disabled.
230941-005_MSA1000_UG.book Page 151 Thursday, April 17, 2003 5:53 PM