HP StorageWorks 2000 Modular Smart Array Reference Guide (481599-003, August 2008)

Chapter 3 Managing Storage 65
You can create a virtual disk automatically or manually:
■ Automatic Virtual Disk Creation (Policy-based) creates a virtual disk based on
minimal information. See “Creating a Virtual Disk Automatically” on page 65.
■ Manual Virtual Disk Creation (Detail-based) creates a virtual disk based on
parameters you select, which provides greater control over the configuration than
Automatic Virtual Disk Creation. See “Creating a Virtual Disk Manually” on
page 67.
Creating a Virtual Disk Automatically
If your system has only one type of disk drive inserted (SAS or SATA), you can
create a virtual disk “automatically” by using the Automatic Virtual Disk Creation
option. This option creates a virtual disk based on minimal information.
To create a virtual disk automatically:
1. Select Manage > Virtual Disk Config > Create A Vdisk.
2. Select Automatic Virtual Disk Creation.
3. Type a name for the virtual disk.
The name is case sensitive and can include 17 characters, but not comma, quotation
mark ("), or backslash.
4. Set Fault Tolerance Level to one of the following options:
■ None – None creates a non-RAID virtual disk if a single disk drive is required or a
RAID 0 virtual disk if multiple drives are required; either will stop working if a drive
fails.
■ Medium – Creates a RAID 5 virtual disk that can tolerate and recover from a failed
disk. This is the default.
■ High – Creates a RAID 50 virtual disk that can tolerate and recover from multiple
drive failures that are not in the same sub-vdisk.
Use of fault tolerance consumes some of the data capacity. To the right of this field,
Largest Possible Virtual Disk estimates the largest virtual disk size that can be
created for the selected fault-tolerance level, and depends on the number and size of
available drives in the system.