LUN (VLL) and Volume Shredder User Guide (T5214-96094, November 2011)

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DescriptionItem

• Capacity: Capacity of the VLL volume to be initialized,

in either megabytes (MB) for open-system volumes or

cylinders (Cyl) for mainframe volumes.

• LDKC:CU:LDEV: LDKC number, CU number, and LDEV

number for the VLL volume to be initialized. The default

is blank.

When this check box is selected, VLL volumes of the

3390-3R emulation type appear in the Normal

3390-3R

volume-setting information table on the left side of this

dialog box. When this check box is cleared, VLL volumes

of other than the 3390-3R emulation type appear in the

Normal volume-setting information table.

If the 3390-3R check box appears, you must set the LDEV

number to all VLL volumes that are available, whether the

check box is checked or cleared.

Allows you to set LDEV numbers for the VLL volume to be

initialized.

Select LDEV No. area

• Select LDKC No.: Select an LDKC number from the list.

The default is 00. The settings of LDEV numbers for the

selected LDKC and CU numbers appear in the Select

LDEV No. table.

• Select CU No.: Select a CU number from the list. The

default is CU 00. The settings of LDEV numbers for the

selected CU number appear in the Select LDEV No.

table.

• Interval: When you select more than one volume, use

this list to set the interval between the LDEV numbers

that need to be assigned to the newly created volumes.

The default value is 0. When you select 0, the LDEV

numbers will be assigned consecutively.

The value you specify as the interval between LDEV

numbers counts only the available LDEV numbers and skips

those that are not selectable.

Shows the settings of LDEV numbers for the CU number

selected in Select CU No.

Select LDEV No. table

• Gray indicates LDEV numbers that are not selectable.

• White indicates unused LDEV numbers.

• Blue indicates available LDEV numbers.

You can select an LDEV number from the white LDEV

numbers in the table. When you set the LDEV number, that

LDEV number becomes available and changes to blue.

LDEV numbers that are not selectable may be already in

use or already assigned to the other emulation group

(grouped by 32 LDEV numbers). See “Emulation Groups”

(page 33).

When this check box is selected, you can select the number

of an LDEV that does not exist in the SLPR to which the

CU number of another SLPR is used

parity group does not belong. When the check box is

cleared, you can only select the number of an LDEV in the

SLPR to which the parity group belongs.

This check box is available only when logged in as a

storage administrator and when there are two or more

SLPRs.

48 Using the Virtual LVI/LUN and Volume Shredder GUI