Cisco Nexus 7000 Series Service manual

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Cisco Nexus 7000 Series NX-OS
High Availability Command
Reference, Release 5.x
October 2010
Text Part Number: OL-23374-01

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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL
STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT
WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT
SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE
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Cisco Nexus 7000 Series NX-OS High Availability Command Reference, Release 5.x 
©2008–2010 Cisco Systems, Inc. All rights reserved.

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Cisco Nexus 7000 Series NX-OS High Availability Command Reference, Release 5.x
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CONTENTS
New and Changed Information v
Preface vii
Audience vii
Organization vii
Document Conventions vii
Related Documentation viii
Obtaining Documentation and Submitting a Service Request ix
Cisco Nexus 7000 Series NX-OS High Availability Commands HACR-1
clear bootvar log HACR-2
clear cores HACR-3
clear xbar-driver HACR-4
out-of-service HACR-5
power redundancy-mode HACR-6
reload module HACR-8
show boot HACR-9
show cores HACR-11
show system cores HACR-12
show system redundancy HACR-13
show system standby manual-boot HACR-15
system cores HACR-16
system hap-reset HACR-18
system no hap-reset HACR-19
system standby manual-boot HACR-20
system switchover HACR-21
system test-preupgrade running-ver HACR-22

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Contents
iv
Cisco Nexus 7000 Series NX-OS High Availability Command Reference, Release 5.x
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v
Cisco Nexus 7000 Series NX-OS High Availability Command Reference, Release 5.x
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New and Changed Information
This document provides release-specific information for each new and changed feature in Cisco Nexus
7000 Series NX-OS High Availability Command Reference, Release 5.x.
Table 1-1 summarizes the new and changed features as described in the Cisco Nexus 7000 Series NX-OS
High Availability Command Reference, Release 5.x, and tells you where they are documented. The table
includes a brief description of each new feature and the release in which the change occurred.
Ta b l e 1-1 New and Changed Information
Feature Description
Changed in
Release Where Documented
There are no changes since
Release 4.2(1).
— — —

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Cisco Nexus 7000 Series NX-OS High Availability Command Reference, Release 5.x
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New and Changed Information

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vii
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Preface
This preface describes the audience, organization, and conventions of the Cisco Nexus 7000 Series
NX-OS High Availability Command Reference, Release 5.x. It also provides information on how to
obtain related documentation.
This chapter includes the following sections:
• Audience, page vii
• Organization, page vii
• Document Conventions, page vii
• Related Documentation, page viii
• Obtaining Documentation and Submitting a Service Request, page ix
Audience
This publication is for experienced users who configure and maintain Cisco NX-OS devices.
Organization
This reference is organized as follows:
Document Conventions
Command descriptions use these conventions:
Chapter and Title Description
Cisco Nexus 7000 Series NX-OS High
Availability Commands
Describes the Cisco NX-OS high availability
commands.
Convention Description
boldface font Commands and keywords are in boldface.
italic font Arguments for which you supply values are in italics.

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Preface
Screen examples use these conventions:
This document uses the following conventions:
Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Tip Means the following information will help you solve a problem.
Related Documentation
Cisco NX-OS includes the following documents:
Release Notes
Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x
NX-OS Configuration Guides
Cisco Nexus 7000 Series NX-OS Getting Started with Virtual Device Contexts, Release 5.x
Cisco Nexus 7000 Series OTV Quick Start Guide
Cisco Nexus 7000 Series NX-OS Fundamentals Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
[ ] Elements in square brackets are optional.
[ x | y | z ] Optional alternative keywords are grouped in brackets and separated by vertical
bars.
string A nonquoted set of characters. Do not use quotation marks around the string or
the string will include the quotation marks.
screen font Terminal sessions and information that the switch displays are in screen font.
boldface screen
font
Information you must enter is in boldface screen font.
italic screen font Arguments for which you supply values are in italic screen font.
< > Nonprinting characters, such as passwords, are in angle brackets.
[ ] Default responses to system prompts are in square brackets.
!, # An exclamation point (!) or a pound sign (#) at the beginning of a line of code
indicates a comment line.

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Preface
Obtaining Documentation and Submitting a Service Request
Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS OTV Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS FabricPath Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Software Upgrade and Downgrade Guide, Release 5.x
Cisco NX-OS Licensing Guide
Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x
Cisco NX-OS XML Management Interface User Guide, Release 5.x
Cisco NX-OS System Messages Reference
Cisco Nexus 7000 Series NX-OS MIB Quick Reference
NX-OS Command References
Cisco Nexus 7000 Series NX-OS Command Reference Master Index, Release 5.x
Cisco Nexus 7000 Series NX-OS Fundamentals Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Interfaces Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Unicast Routing Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Multicast Routing Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Security Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS OTV Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Virtual Device Context Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS FabricPath Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS System Management Command Reference, Release 5.x
Other Software Document
Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 5.x
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional
information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and
revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

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Preface
Obtaining Documentation and Submitting a Service Request
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS Ver sio n 2.0.