Provisioning Type

Select the type of LDEV.

Basic: Internal volume.

Dynamic Provisioning: DP-VOL.

External: External volume.

Snapshot: Thin Image volume.

Multi-Tier Pool

Select Enable or Disable of using Dynamic Tiering.

Enable: The pool for Dynamic Tiering is displayed in the Select Pool window.

Disable: The pool for Dynamic Provisioning is displayed in the Select Pool window.

Parity Group Selection, Pool Selection, or External Volume Selection

Select the parity group to which the LDEV is assigned.

Parity Group Selection: Displayed when you create internal volumes.

Pool Selection: Displayed when you create DP-VOLs.

External Volume Selection: Displayed when you create external volumes.

Drive Type/RPM

Select the data drive type and RPM.

Any: All types of disk drives and RPMs that can be contained in the system.

SSD: Includes SLC/MLC for SSD, and FMD.

SAS/RPM: SAS drive and RPM.

External Storage: External storage system.

Mixed: Mixes the data drive type.

RAID Level

Select the RAID level. External Storage is selected from the Drive Type/RPM field, a hyphen (-) appears.

Select Free Spaces

Displays the Select Free Spaces window.

Select Pool

Displays the Select Pool window.

Total Selected Free Spaces

Displays the number of the selected free spaces.

Total Selected Free Space Capacity

Displays the total capacity of the free spaces.

Selected Pool Name (ID)

Displays the selected pool name and ID.

Selected Pool Capacity

Displays the selected pool capacity.

LDEV Capacity

• Offset Boundary: If you want to offset the specified LDEV capacity by boundary, set the Offset Boundary to ON.

• Input area: Specify the LDEV capacity to create in a free space, a pool, or an external volume.

Detailed calculation of the LDEV capacity differs depending on the specification of the unit.

Number of LDEVs per Free Space, Number of LDEVs, or Number of LDEVs per External Volume

Specify the number of LDEVs to create in a free space, pool, or the external volume.

LDEV Name

LDEV name. Specify the prefix characters and the initial number.

• Prefix: A fixed character string.

• Initial Number: The initial number of the LDEV name.

Specify the initial number according to the examples below. You can specify up to 32 characters total.

Example:

• 1: Up to 9 numbers are added (1, 2, 3... 9).

• 08: Up to 92 numbers are added (08, 09, 10... 99).

• 23: Up to 77 numbers are added (23, 24, 25... 99).

• 098: Up to 902 numbers are added (098, 099, 100... 999).

Format Type

Specify the format type. This appears when an internal or external volume is used.

Quick Format: Quick formatting is the default format type. You cannot select this when the provisioning type is something other than the internal volume.

Normal Format: Normal formatting.

Parity Group Format: Parity group is formatted. This type can be selected if no LDEV exists in the parity group.

No Format: Volumes are not formatted.

Note: The default type varies depending on the root window for opening the Create LDEV window. Parity Group Format is the default when the Create LDEVs window is opened from the Create Parity Groups window. Quick Format is the default when the Create LDEVs window is opened from other than the Create Parity Groups window.

Initial LDEV ID

Specify the LDEV ID. LDKC is fixed to 00. Default of CU and DEV is 00:00.

For creating multiple LDEVs, select the interval of the assigned LDEV ID from the Interval list.

View LDEV IDs

Displays the View LDEV IDs windows.

CLPR

Cache logical partition number, displayed as ID:CLPR.

MP Unit ID

Specify the MP unit you want to assign to the LDEV.

You can select an identifier from MPB0 to MPB7. If automatic assignment is enabled for one or more MPs, you can also select Auto.

If Auto is enabled, the default is Auto. If Auto is disabled, the default is the lowest number of the MP unit.

Tiering Policy

Tiering Policy: All(0) is selected by default. You can change a level from Level1(1) to Level5(5) or from Level6(6) to Level31(31).

You can specify this function when the Multi-Tier Pool is enabled.

New Page Assignment Tier

Specify the new page assignment tier you want to assign to the LDEV. Middle is selected by default. You can select from the levels of High, Middle, and Low. You can specify this function when the Multi-Tier Pool is enabled.

Relocation Priority

Specify this option if the LDEV is to be relocated preferentially. You can select Default or Prioritize.

You can specify this function when the Multi-Tier Pool is enabled.

Add

Adds the LDEVs that have settings specified in the setting field is added to the Selected LDEVs table.

Provisioning Type

Required

Required

Required

Required

Multi-Tier Pool

N/A

Required

N/A

N/A

Drive Type/RPM

Required

Required

Disabled

N/A

RAID Level

Required

Required

Disabled

N/A

Select Free Spaces

Required

N/A

Required

N/A

Select Pool

N/A

Required

N/A

N/A

Offset Boundary

Optional

Optional

Optional

Optional

LDEV Capacity

Required

Required

Required

Required

Number of LDEVs per Free Space

Required

N/A

N/A

N/A

Number of LDEVs

N/A

Required

N/A

Required

Number of LDEVs per External Volume

N/A

N/A

Required

N/A

LDEV Name

Optional

Optional

Optional

Optional

Format Type

Required

N/A

Required

N/A

Initial LDEV ID

Optional

Optional

Optional

Optional

View LDEV IDs

Optional

Optional

Optional

Optional

CLPR

N/A

Optional

N/A

Optional

MP Unit ID

Optional

Optional

Optional

Optional

Tiering Policy

N/A

Optional

N/A

N/A

New Page Assignment Tier

N/A

Optional

N/A

N/A

Relocation Priority

N/A

Optional

N/A

N/A

LDEV ID

LDEV identifier, which is the combination of LDKC, CU, and LDEV.

LDEV Name

LDEV name, including the combination of prefix characters and the initial number.

Parity Group ID

Parity group identifier.

Pool Name (ID)

Pool name and pool identifier.

Drive Type/RPM

Drive type and rpm in use on this LDEV.

RAID Level

RAID level. An asterisk "*" indicates that the parity group to which the LDEV belongs is interleaved (concatenated).

Capacity

LDEV capacity.

Format Type

Format type.

CLPR

Cache logical partition number, displayed as ID:CLPR.

For detailed information about CLPRs, see the Hitachi Virtual Storage Platform G200, G400, G600 Performance Guide.

MP Unit ID

MP unit identifier. If Auto is selected, the identifier is automatically assigned.

Multi-Tier Pool

Indicates whether Dynamic Tiering is enabled or disabled.

Enabled: The LDEV is for Dynamic Tiering.

Disable: The LDEV is for Dynamic Tiering.

Tiering Policy

The tiering policy name and identifier for the LDEV.

New Page Assignment Tier

Displays the new page assignment tier for the LDEV.

Relocation Priority

Displays the relocation priority assigned to the LDEV.

Attribute

Displays the attribute of the LDEV.

Hyphen (-): Volume in which the attribute is not defined.

Encryption

Encryption information.

Enable: encrypted parity group

Disable: non-encrypted parity group

If the parity group in which the encryption setting is not defined, a hyphen (-) is displayed.

Resource Group Name (ID)

Resource group name and identifier of which this LDEV is a member.

Virtual Storage Machine

Displays the information about the virtual storage machine.

• Model / Serial Number: The model name and serial number of the virtual storage machine having the LDEV.

• Attribute: Virtual LDEV attribute. If the attribute is not set for LDEV, this column is blank.

Change LDEV Settings

Opens the Change LDEV Settings window.

Remove

Removes the added LDEV.