Configuring Disk Mirroring; Disk Mirroring Prerequisites - Cisco ASR 9000 Series User Configuration Manual

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
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
Release
Release 3.7.2
This module contains the following topics:
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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
• The secondary storage device specified for the mirroring must be installed in the same node as the
• The secondary storage device must be the same size or larger than the designated primary storage device.
• The secondary storage device must be partitioned.
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
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.
primary boot device. The supported storage devices are disk0: and disk1:.
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
C H A P T E R
Related Documents, on page
Modification
Disk mirroring was introduced.
5
83. To
75