Dell POWERVAULT MD3620I User Manual download pdf (Page 112)

112 Configuration: Disk Groups and Virtual Disks

A disk group must be organized according to its related tasks and subtasks.

For example, if you create a disk group for the Accounting Department, you

can create virtual disks that match the different types of accounting

transactions performed in the department: Accounts Receivable (AR),

Accounts Payable (AP), internal billing, and so forth. In this scenario, the AR

and AP virtual disks probably need more capacity than the internal billing

virtual disk.

NOTE: In Linux, the host must be rebooted after deleting virtual disks to reset the

/dev entries.

NOTE: Before you can use a virtual disk, you must register the disk with the host

systems. See "Host-to-Virtual Disk Mapping" on page 135.

Creating Disk Groups

You can create disk groups either using Automatic configuration or Manual

configuration.

To create disk groups using automatic configuration:

To start the Create Disk Group Wizard, perform one of these actions:

• To create a disk group from unconfigured capacity in the storage

array—On the

Logical

tab, select an

Unconfigured Capacity

node,

and select

Disk Group



Create

. Alternatively, you can right-click the

Unconfigured Capacity

node, and select

Create Disk Group

from the

pop-up menu.

• To create a disk group from unassigned physical disks in the storage

array—On the

Physical

tab, select one or more unassigned physical

disks of the same physical disk type, and select

Disk Group



Create

Alternatively, right-click the unassigned physical disks, and select

Create Disk Group

from the pop-up menu.

• To create a secure disk group—On the

Physical

tab, select one or more

unassigned security capable physical disks of the same physical disk

type, and select

Disk Group



Create

. Alternatively, right-click the

unassigned security capable physical disks, and select

Create Disk

Group

from the pop-up menu.

The I

ntroduction (Create Disk Group)

window is displayed.

Click

The

Disk Group Name and Physical Disk Selection

window is displayed.

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