Provisioning Type

Select the type of LDEV.

• Basic: Internal volume.
• Dynamic Provisioning: DP-VOL.
• External: External volume.
• Snapshot: Thin Image volume.
• ALU: LDEV of the ALU attribution.

Data Direct Mapping

Select Enable or Disable for the data direct mapping attribute. This item can be selected if the Provisioning Type is Dynamic Provisioning or External. If the Provisioning Type is External and an external volume with the data direct mapping attribute enabled does not exist, you cannot select Enable.

• Enable: The data direct mapping attribute is enabled.
• Disable: The data direct mapping attribute is disabled.

Capacity Saving

Select the option for the capacity saving functions:

• Compression: Select to use the compression function.
• Deduplication and Compression: Select to use the deduplication and compression functions. This option cannot be selected if Disable is set for Deduplication in the target pool or if the LDEV status of the deduplication system data volume in the target pool is other than Normal.
• Disabled: Select to disable the capacity saving functions. Disabled is automatically selected when any of the following conditions is satisfied:

  - Enable is selected for Data Direct Mapping.

  - The license for the capacity saving functions is not installed.

  - Enable is set for Multi-Tier Pool.

  - The device emulation type is other than OPEN-V.

Multi-Tier Pool

Select Enable or Disable if using Dynamic Tiering.

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

Active Flash

Select to enable active flash. To select this item, all of the following conditions must be met:

• The Multi-Tier Pool option is enabled.
• Pool volumes whose drive type is SSD are installed.

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. If the Data Direct Mapping is set to Enable, this item is not displayed.
• External Volume Selection: Displayed when you create external volumes.

Drive Type/RPM

Select the data drive type and RPM.

• Any: All types of drives that are supported by the system.
• SSD(FMC): Flash module compression.

  (Open systems) Specify when creating an LDEV in a parity group with accelerated compression enabled.

• SSD(FMD): Flash module drive.
• SSD(MLC): Multi-level-cell flash drive.
• SAS/RPM: SAS drive of the specified rotational speed (RPM).

  For VSP Fx00 models, SAS drives cannot be specified.

• External Storage: External storage system.
• Mixed: Mixed types of drives.

RAID Level

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

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

• Capacity Compatibility Mode (Offset boundary):
  • If you want to offset the specified LDEV capacity by boundary, set the Capacity Compatibility Mode (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. If the Data Direct Mapping is set to enable, this item is not displayed.

(Open systems) When creating of LDEVs carved from accelerated compression-enabled parity groups, estimate the LDEV capacity.

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.

If the Provisioning Type is set to Dynamic Provisioning and the Data Direct Mapping is set to enable, this item is not displayed. If the Provisioning Type is set to External and the Data Direct Mapping is set to enable, 1 is displayed in the Number of LDEVs per External Volume.

(Open systems) When creating LDEVs in accelerated compression-enabled parity groups, estimate the number of LDEVs.

Available Volumes

Select available volumes. This item is displayed when the Provisioning Type is Dynamic Provisioning and data direct mapping is enabled. The following items are displayed:

• LDEV ID
• LDEV Name
• Parity Group ID
• Capacity: The capacity of LDEV
• Vender/Model/Serial Number
• Pool Name (ID)
• Subscription Current (%): The percentage of the current subscription of the pool
• Subscription Limit (%): The percentage of the limit subscription of the pool
• Capacity: The capacity of the pool

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 prefix characters and 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 is displayed when an internal or external volume is used.

• Quick Format (default): You cannot select this when the provisioning type is external volume or for an LDEV in a parity group with accelerated compression enabled.
• 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.

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 ID 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.

Full Allocation

Select Enable to reserve pages in a pool that is associated with LDEVs.

• Enable: Full allocation is performed.
• Disable (default): Full allocation is not performed.

You can select Enable only when all of the following conditions are satisfied:

• The sum of the mapped capacity and the reserved capacity is same or less than the depletion threshold.
• The specified pool is not undergoing the shrink processing.
• The data direct mapping attribute is disabled.

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). See Notes on tiering policy settings. From Level 6 (6) to Level 31 (31), the names of tiering policies can also be changed. If these names have changed, the new names appear.

You can specify this function when the multi-tier pool option 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. See New page assignment tier.You can specify this function when the multi-tier pool option 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.

T10 PI

Specify the LDEV's T10 PI attribute (Enabled or Disabled).

This item can be specified only when the Provisioning Type is Basic, Dynamic Provisioning, or Snapshot.

Add

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

Provisioning Type

Required

Required

Required

Required

N/A

Data Direct Mapping

N/A

Optional

Optional

N/A

N/A

Capacity Saving

N/A

Optional

N/A

N/A

N/A

Multi-Tier Pool

N/A

Required

N/A

N/A

N/A

Active Flash

N/A

Optional

N/A

N/A

N/A

Drive Type/RPM

Required

Required

Disabled

N/A

N/A

RAID Level

Required

Required

Disabled

N/A

N/A

Select Free Spaces

Required

N/A

Required

N/A

N/A

Select Pool

N/A

Required

N/A

N/A

N/A

Capacity Compatibility Mode (Offset boundary)

Optional

Optional

Optional

Optional

N/A

LDEV Capacity

Required

Required

Required

Required

N/A

Number of LDEVs per Free Space

Required

N/A

N/A

N/A

N/A

Number of LDEVs

N/A

Required

N/A

Required

Required

Number of LDEVs per External Volume

N/A

N/A

Required

N/A

N/A

Available Volumes

N/A

Optional

Optional

N/A

N/A

LDEV Name

Optional

Optional

Optional

Optional

Optional

Format Type

Required

N/A

Required

N/A

N/A

Initial LDEV ID

Optional

Optional

Optional

Optional

Optional

View LDEV IDs

Optional

Optional

Optional

Optional

Optional

CLPR

N/A

Optional

N/A

Optional

Optional

MP Unit ID

Optional

Optional

Optional

Optional

Optional

Full Allocation

N/A

Optional

N/A

N/A

N/A

Tiering Policy

N/A

Optional

N/A

N/A

N/A

New Page Assignment Tier

N/A

Optional

N/A

N/A

N/A

Relocation Priority

N/A

Optional

N/A

N/A

N/A

T10 PI

Optional

Optional

N/A

Optional

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.

Data Direct Mapping

Information about the data direct mapping.

• LDEV ID: LDEV ID of the pool-VOL in the pool with data direct mapping enabled, or LDEV ID of the DP-VOL with data direct mapping enabled. If data direct mapping is disabled, a hyphen (-) is displayed.
• Parity Group ID: Parity Group ID of the pool-VOL in the pool with data direct mapping enabled. If data direct mapping is disabled, a hyphen (-) is displayed.

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 Performance Manager Guide.

MP Unit ID

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

Multi-Tier Pool

Indicates whether Dynamic Tiering is enabled or disabled.

• Enabled: The LDEV is for Dynamic Tiering .
• Disabled: The LDEV is not for Dynamic Tiering .

Full Allocation

Displays the status of the setting for the full allocation in a pool associated with the V-VOL.

• Enable: Full allocation of all DP-VOL pages is performed.
• Disable: Full allocation of all DP-VOL pages is not performed.

Active Flash

Indicates whether active flash is enabled or disabled.

Enabled: The LDEV is for active flash .

Disable: The LDEV is for Dynamic Tiering .

- (hyphen): The LDEV is for Dynamic Provisioning .

Tiering Policy

The tiering policy name and ID 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.

Capacity Saving

Displays the capacity saving setting:

• Compression: The compression function is used.
• Deduplication and Compression: The deduplication and compression functions are used.
• Disabled: The Capacity Saving function is not used.

Attribute

Displays the attribute of the LDEV.

• ALU: LDEV of the ALU attribution
• Data Direct Mapping: LDEV with the data direct mapping attribute enabled.
• - (hyphen): Volume for which the attribute is not defined.

Encryption

Encryption information:

• Enable: Encryption setting of a parity group in which the LDEV is placed is enabled. Or the virtual volume associated with the pool whose pool-VOLs are enabled of the encryption setting.
• Disable: Encryption setting of a parity group (or a pool) in which the LDEV is placed is disabled. Or the virtual volume associated with the pool whose pool-VOLs are disabled of the encryption setting.
• Mixed: This status is displayed when two or more of the following are specified as pool-VOLs:
  • Volume encryption setting is enabled.
  • Volume encryption setting is disabled.
  • External volume

  Caution: The data encryption is not ensured in the pool that has the Mixed encryption setting. To manage the data encryption securely, use the pool with an encryption setting of Enabled or Disabled.

• - (hyphen): External volume or migration volume. As for DP-VOL of Dynamic Provisioning, the pool-VOL in the pool of which DP-VOL belongs is an external volume, or the pool of which DP-VOL belongs is being blocked.

This item is not displayed when using Virtual Storage Platform G200.

Accelerated Compression

Displays information about the accelerated compression of the parity group that is created of LDEVs

Enabled: The accelerated compression of the parity group is enabled.

Disabled: The accelerated compression of the parity group is disabled.

- (hyphen): The parity group with accelerated compression is not supported.

T10 PI

Displays the LDEV's T10 PI attribute information (Enabled or Disabled).

Resource Group Name (ID)

Resource group name and ID 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.