Create Virtual Disk Wizard: Customize Advanced Virtual Disk Parameters

Use this dialog to customize the advanced  parameters for an individual virtual disk, based on application requirements. If you want a tailored I/O characteristic, select Custom radio button, and enter values for the multiplier and the .

 Frequently Asked

What is the I/O characteristic type?

What is preferred ownership?

Use the following procedure to customize the advanced virtual disk parameters for an individual virtual disk.

1

Specify the virtual disk I/O characteristics for the virtual disk based on your application needs. The expected I/O characteristics of the virtual disk are used by the   ??to indicate an appropriate default virtual disk segment size and dynamic cache read .

When you specify expected I/O characteristics, the corresponding default dynamic cache read prefetch setting and segment size values that are typically well suited for those I/O patterns are populated in the Dynamic cache read prefetch and Segment size areas.

Choose from the following virtual disk I/O characteristics:

  • File system (typical)
  • Database
  • Multimedia
  • Custom

Note: The dynamic cache read prefetch may be changed later by selecting Virtual Disk >> Change >> Cache Settings. For more information, see Changing Virtual Disk Cache Settings.

Important: The virtual disk's segment size might be changed later by selecting Change Segment Size. However, any change in segment size is restricted to a multiple of the current segment size, or a divider of 2 from the current segment size. For example, if you set the segment size to 64 KB when you first create the virtual disk, you can only change it to 32 KB or 128 KB by selecting Change Segment Size.

2

Specify the .

Note: Choices include either the RAID controller module in slot A or the RAID controller module in slot B.

If you are creating this virtual disk from:

Then:

An Unconfigured Capacity node

The  automatically selects the .

You can change the preferred owner by selecting the alternate RAID controller module radio button.

A

The storage array automatically sets the preferred RAID controller module ownership by determining the  of the other virtual disks in the .

You can change the preferred owner by selecting the alternate RAID controller module radio button.

3

Click Next.

Related Topics

Create Virtual Disk Wizard: Specify Virtual Disk-to-LUN Mapping

Using the Create Virtual Disk Wizard

Changing the Segment Size of a Virtual Disk