106 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 128.
Creating Disk Groups
You can create disk groups using either Automatic configuration or Manual
configuration.
To create disk groups using automatic configuration:
1
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, you can 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, you can 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.
2
Click
Next
.
The
Disk Group Name and Physical Disk Selection
window is displayed.
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