Cisco ASR 9000 Series User Manual

CHAPTER 5
Configuring Disk Mirroring
This module describes the process to configure disk mirroring in Cisco IOS XR software.
For complete descriptions of the commands listed in this module, see Related Documents, on page 83. To
locate documentation for other commands that might appear in the course of performing a configuration
task, search online in Cisco ASR 9000 Series Aggregation Services Router Commands Master List.
Table 11: Feature History for Disk Mirroring for Cisco IOS XR Software
ModificationRelease
Disk mirroring was introduced.Release 3.7.2
This module contains the following topics:
•
Disk Mirroring Prerequisites, page 75
•
Information About Disk Mirroring, page 76
•
How to Enable Disk Mirroring, page 77
•
Configuration Examples for Enabling Disk Mirroring, page 82
•
Additional References, page 83
Disk Mirroring Prerequisites
Before enabling disk mirroring, the following conditions must be met:
•
You must be in a user group associated with a task group that includes the proper task IDs. The command
reference guides include the task IDs required for each command. If you suspect user group assignment
is preventing you from using a command, contact your AAA administrator for assistance.
•
The secondary storage device specified for the mirroring must be installed in the same node as the
primary boot device. The supported storage devices are disk0: and disk1:.
•
The secondary storage device must be the same size or larger than the designated primary storage device.
•
The secondary storage device must be partitioned.
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
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Cisco ASR 9000 Series Specifications

General

Brand	Cisco
Model	ASR 9000 Series
Category	Network Router
Language	English