Users Guide

Table Of Contents
Virtual Disks
A virtual disk refers to a storage created by a RAID controller from one or more physical disks. Although a virtual disk may be
created from several physical disks, it is viewed by the operating system as a single disk. Depending on the RAID level used, the
virtual disk may retain redundant data if there is a disk failure or have particular performance attributes.
NOTE: Virtual disks can only be created on a RAID controller.
Topics:
Considerations Before Creating Virtual Disks
Creating Virtual Disks
Reconfiguring Or Migrating Virtual Disks
Starting and Target RAID Levels for Virtual Disk Reconfiguration And Capacity Expansion
Maintaining The Integrity Of Redundant Virtual Disks
Rebuilding Redundant Information
Managing Virtual Disk Bad Block Management
Recommendations For Clearing Bad Blocks
Virtual Disk Properties And Tasks
Virtual Disk Available Tasks
Create Virtual Disk Express Wizard
Create Virtual Disk Express Wizard Step 2
Create Virtual Disk Advanced Wizard
Create Virtual Disk Advanced Wizard Step 2
Create Virtual Disk Advanced Wizard Step 3
Span Edit
Virtual Disk Task - Reconfigure Step 1 of 3
Virtual Disk Task - Reconfigure Step 2 of 3
To Reconfigure A Virtual Disk Expand Virtual Disk Capacity - Step 2 of 3
Virtual Disk Task - Reconfigure Step 3 of 3
Slow And Fast Initialize
Formatting Or Initializing A Disk
Deleting A Virtual Disk
Renaming A Virtual Disk
Changing The Policy Of A Virtual Disk
Split Mirror
Unmirror
Assigning And Unassigning Dedicated Hot Spare
Virtual Disk Task - Replace Member Disk Step 1 of 2
Virtual Disk Task - Replace Member Disk Step 2 of 2
Considerations Before Creating Virtual Disks
Different controllers have particular characteristics in the way they implement virtual disks. These characteristics may include
use of disk space, limitations on the number of virtual disks per controller, and so on. It can be helpful to understand these
characteristics before creating virtual disks on the controller.
The following sections describe controller information that applies to virtual disks:
Virtual Disk Considerations for Controllers
Problems Associated With Using The Same Physical Disks For Both Redundant And Non-Redundant Virtual Disks
Virtual Disk Considerations On Systems Running Linux
Number Of Physical Disks Per Virtual Disk
15
Virtual Disks 125