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Virtual disk management, Creating virtual disks – Dell PowerEdge RAID Controller H710 User Manual

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Parameter

Description
No-Read-Ahead specifies that the controller does not use read ahead for the current

virtual disk.
Adaptive specifies that the controller begins using Read-Ahead if the two most recent

disk accesses occurred in sequential sectors. If all read requests are random, the

algorithm reverts to No-Read-Ahead; however, all requests are still evaluated for

possible sequential operation.

Virtual Disk Management

Creating Virtual Disks

NOTE: Combining SAS and SATA disk drives within a virtual disk is not supported. Also, combining disk drives and
SSDs within a virtual disk is not supported.

NOTE: To create secured virtual disks, see the topic

Security Key And RAID Management

.

Perform the following steps to create a virtual disk:

1.

During host system bootup, press after the BIOS screen is displayed.
The Virtual Disk Management screen is displayed. If there is more than one controller, the main menu screen is
displayed. Select a controller, and press . The Virtual Disk Management screen is displayed for the selected
controller.

2.

Use the arrow keys to highlight Controller # or Disk Group #.

3.

Press .
The list of available actions is displayed.

4.

Select Create New VD and press .
The Create New VD screen is displayed. The cursor is on the RAID Levels option. When adding a virtual disk to a
Disk Group, the Add VD in Disk Group screen is displayed. Skip to step 11 to change the basic settings of the virtual
disk.

5.

Press to display the possible RAID levels, based on the physical disks available.

6.

Press the down-arrow key to select a RAID level and press .

7.

When creating a spanned virtual disk (RAID 10, 50 or 60), enter the number of physical disks per span in the PD per

Span field and press .

NOTE: Creating a 22 physical disk RAID 10 VD is possible by selecting RAID 10 and populating the PD per Span
field with 22.

8.

Press to move the cursor to the list of physical disks.

9.

Use the arrow key to highlight a physical disk and press the spacebar, , or to select the disk.

10. Select additional disks, if required.

NOTE: (PERC H310) Only RAID Capable physical disks are eligible to be included in a Virtual Disk. To convert
physical disks to RAID Capable, see the topic

Converting Physical Disk To RAID Capable For PERC H310

.

11. Press to move the cursor to the Basic Settings box.
12. Set the virtual disk size in the VD Size field.

The virtual disk size is displayed in GB format.

13. Press to access the VD Name field, and type a virtual disk name.
14. Press to move the cursor to Advanced Settings.

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