Chapter 11. RAID-1 (Mirror) Volumes (Tasks)

Table of Contents

RAID-1 Volumes (Task Map)
Creating a RAID-1 Volume
Understanding Boot Time Warnings When Mirroring the root (/) File System
Working With Submirrors
Maintaining RAID-1 Volumes
Responding to RAID-1 Volume Component Failures
Removing RAID-1 Volumes (Unmirroring)
Backing Up Data on a RAID-1 Volume

RAID-1 Volumes (Task Map)

The following task map identifies the procedures that are needed to manage Solaris Volume Manager RAID-1 volumes.

Task

Description

For Instructions

Create a mirror from unused slices

Use the Solaris Volume Manager GUI or the metainit command to create a mirror from unused slices.

How to Create a RAID-1 Volume From Unused Slices

Create a mirror from an existing file system

Use the Solaris Volume Manager GUI or the metainit command to create a mirror from an existing file system.

How to Create a RAID-1 Volume From a File System

Create a mirror from the root (/) file system

Use the Solaris Volume Manager GUI or the metainit command to create a mirror from the root (/) file system.

How to Create a RAID-1 Volume From the root (/) File System

How to Create a RAID-1 Volume From the root (/) File System

Attach a submirror

Use the Solaris Volume Manager GUI or the metattach command to attach a submirror.

How to Attach a Submirror

Detach a submirror

Use the Solaris Volume Manager GUI or the metadetach command to detach the submirror.

How to Detach a Submirror

Place a submirror online or take a submirror offline

Use the Solaris Volume Manager GUI or the metaonline command to put a submirror online. Use the Solaris Volume Manager GUI or the metaoffline command to take a submirror offline.

How to Place a Submirror Offline and Online

Enable a slice within a submirror

Use the Solaris Volume Manager GUI or the metareplace command to enable a slice in a submirror.

How to Enable a Slice in a Submirror

Check mirror status

Use the Solaris Volume Manager GUI or the metastat command to check the status of RAID-1 volumes.

How to View the Status of Mirrors and Submirrors

Change mirror options

Use the Solaris Volume Manager GUI or the metaparam command to change the options for a specific RAID-1 volume.

How to Change RAID-1 Volume Options

Expand a mirror

Use the Solaris Volume Manager GUI or the metattach command to expand the capacity of a mirror.

How to Expand a RAID-1 Volume

Replace a slice within a submirror

Use the Solaris Volume Manager GUI or the metareplace command to replace a slice in a submirror.

How to Replace a Slice in a Submirror

Replace a submirror

Use the Solaris Volume Manager GUI or the metattach command to replace a submirror.

How to Replace a Submirror

Remove a mirror (unmirror)

Use the Solaris Volume Manager GUI, the metadetach command, or the metaclear command to unmirror a file system.

How to Unmirror a File System

Remove a mirror (unmirror) of a file system that cannot be unmounted

Use the Solaris Volume Manager GUI, the metadetach command, or the metaclear command to unmirror a file system that cannot be unmounted.

How to Unmirror a File System That Cannot Be Unmounted

Use a mirror to perform backups

Use the Solaris Volume Manager GUI, the metaonline command, or the metaoffline commands to perform backups with mirrors.

How to Perform an Online Backup of a RAID-1 Volume

Cancel or resume the resynchronization process on a mirror

Use the metasync command to cancel and resume the resynchronization process on a mirror

How to Cancel a Volume Resynchronization Process

How to Resume a Volume Resynchronization Process