Remote Storage System

Selections in the remote system.

• Model / Serial Number: Model and serial number.

  Note: VSP Gx00 is displayed for VSP Gx00 models and VSP Fx00 models.

• Path Group ID: Select the ID of the path group.

Use Existing Volumes of UR Pairs

UR only.

• Yes: Create a pair using the existing volumes of UR pairs. Select this item when creating a pair with 3DC multi-target by 3 UR sites or with cascade configuration.
• No: Create a pair without using the existing volumes of UR pairs. Select this item when not creating a pair with 3DC multi-target by 3 UR sites or with cascade configuration.

Selection Object

Select the port type in the local storage system.

• Fibre: Select when specifying LU for Fibre port.
• iSCSI: Select when specifying LU for iSCSI port.
• NAS Platform (User LU): Select when specifying LU for NAS port. Displayed only when NAS modules are installed. This option is not displayed for VSP G200.

Ports without LUs cannot be selected. If only one port type (Fibre, iSCSI, or NAS Platform) has an LU, the port type is selected automatically.

LU Selection

TC and UR only.

• Port ID: Local system's port identifier.
• Host Group Name: Host group name. If Any is selected, every LUN for the specified port is displayed in the Available LDEVs table or in the Available Primary Volumes table. Displayed when Fibre port is selected for Port ID.
• iSCSI Target Alias: iSCSI target Alias. If Any is selected, every LUN for the specified port is displayed in the Available LDEVs table or in the Available Primary Volumes table. Displayed when iSCSI port is selected for Port ID.

Available LDEVs table (TC/TCz)

Available Primary Volumes table (UR/URz)

Information about P-VOLs. Displayed when Fibre port is selected in Port ID for LU Selection.

• Port ID: Port identifier. TC and UR only.
• Host Group Name/iSCSI Target Alias: Host group name or iSCSI target alias. TC and UR only.
• iSCSI Target Name: iSCSI target name. TC and UR only.
• LUN ID: LUN identifier. TC and UR only.
• LDEV ID: LDEV identifier.
• LDEV Name: LDEV name.
• Pair Position: Whether the volume is a primary or secondary volume. A blank indicates an unpaired volume. UR/URz only.
• Journal ID: Journal identifier. A blank indicates an unpaired volume. UR/URz only.
• Mirror ID: Mirror identifier. A blank indicates an unpaired volume. UR/URz only.
• Provisioning Type: Provisioning type of the volume. Whether the volume is Basic (internal) or External.
• Attribute:
  • ALU: The volume has the ALU attribute.
  • SLU: The volume has the SLU attribute.
  • Data Direct Mapping: The volume has the data direct mapping attribute.
  • NAS Platform (User LU): User LU for NAS.

  If the attribute is not set, a hyphen (-) is displayed. TC and UR only.

• Capacity: LDEV's capacity.
• CLPR: CLPR ID.
• Encryption: Encryption information.
  • Enabled: Encryption of the parity group to which the LDEV belongs is enabled, or a V-VOL is associated with a pool in which a pool volume has encryption enabled.
  • Disabled: Encryption of the parity group to which the LDEV belongs is disabled, or a V-VOL is associated with a pool in which a pool volume has encryption disabled.
  • Mixed: The pool to which the LDEV belongs contains two or more of the following:
    • Volume for which encryption is enabled
    • Volume for which encryption is disabled
    • External volume

    Note: Encryption of data is not ensured in an LDEV with the Mixed encryption status. To manage data encryption, use an LDEV in which Encryption is Enabled or Disabled.

  For an external volume or migration volume, a hyphen (-) is displayed.

  For V-VOLs of Dynamic Provisioning or Dynamic Provisioning for Mainframe, the pool to which the LDEV belongs is an external volume or blocked.

• Paired Volume: Information about a paired volume. A blank indicates that the volume is not used by the pair. UR/URz only
  • Model / Serial Number: Model and serial number.
  • LDEV ID: LDEV identifier.
  • Port ID: Volume's port identifier. UR only.
  • Host Group ID/iSCSI Target ID: Volume's host group ID or iSCSI target ID. UR only.
  • LUN ID: Volume's LUN identifier. UR only.
• Capacity Saving: Information on the capacity saving function.
  • Compression: The compression function is used.
  • Deduplication and Compression: The deduplication function and the compression function are used.
  • Disabled: The capacity saving function is not used.
• T10 PI¹: T10 PI attribute of the volume.
  • Enabled: T10 PI attribute of the volume is enabled.
  • Disabled: T10 PI attribute of the volume is disabled.

  The T10 PI attribute status is displayed only for TC/UR pairs.

Base Secondary Volume

Selections for the initial S-VOL.

TC and UR only.

• Port ID: Port identifier.
• Host Group ID/iSCSI Target ID: Host group identifier or iSCSI target identifier.
• LUN ID: LUN identifier.

Selection Type

Default is Interval.

• Interval: Interval for allocating S-VOLs.
• Relative Primary Volume: S-VOLs paired with P-VOLs relative to LUN or LDEV numbers.

Master Journal

Master journal number and type.

The journal type option is enclosed by parentheses.

If Yes is selected for Use Existing Volumes of UR Pairs or Use Existing Volumes of URMF Pairs, Depend on Selected P-Vols is selected.

Mirror ID

Mirror's identifier.

Restore Journal

Restore journal number. All journal IDs (000 to 0FF) are displayed.

Current Number of Master Journal Mirrors

Number of mirrors in the master journal.

Total Number of Master Journal Mirrors

Displays the following:

• Number of mirrors in the master journal.
• Number of mirrors added during the Create UR Pairs operation.
• Number of mirrors for the selected volume in Selected Pairs table.

CTG ID

UR only.

Displays the consistency groups registered in the storage system. An asterisk indicates that the group is assigned to a pair in the Select Pairs table.

Primary Volume Fence Level

TC and TCz only

Whether the P-VOL can be written to when the pair is split due to error.

• Data: Cannot be written to.
• Status: Can be written to only if the primary system can change the S-VOL status to PSUE for TC or Suspend for TCz. If the primary system cannot change the S-VOL status to PSUE for TC or Suspend for TCz, the P-VOL cannot be written to.
• Never: Can be written to, even if the primary system cannot change the S-VOL status. The default.

Initial Copy Type

Whether data is copied to the S-VOL during this operation.

• Entire Volume: Data is copied. The default.
• None: Data is not copied.
• Delta: Data is not copied. UR/URz only.

Copy Pace

Number of tracks to be copied per remote I/O during the operation. The default is 15. The range is different depending on the volume emulation type.

• OPEN-V (TC): The range is 1 to 4.
  • 1 is slow. This setting limits the impact on host I/O to maintain storage system performance.
  • 2 and 3 is medium.
  • 4 is fast. This setting increases the impact on host I/O and might result in decreased storage system performance.

    If you enter a number from 5 to 15, the speed of 4 (fast copy pace) is used.

• Other than OPEN-V (TC): The range is 1 to 15.
  • 1 to 5 are a slow copy pace, and are used to reduce impact on host I/O.
  • 6 to 10 are a medium copy pace.
  • 11 to 15 are a fast copy pace, and the host I/O performance might be degraded.
• Displayed for TC and GAD only. The range is 1 to 4.
  • 1 is slow. This setting limits the impact on host I/O to maintain storage system performance.
  • 2 and 3 is medium.
  • 4 is fast.

    This setting increases the impact on host I/O and might result in decreased storage system performance. If you enter a number from 5 to 15, the speed of 4 (fast copy pace) is used.

Initial Copy Priority

Scheduling order for the initial copy operation. The range is 1 to 256, and the default is 32.

For GAD pairs this is not displayed.

Error Level

UR and URz only.

Whether to split all pairs in the mirror if a failure occurs during this operation:

• Mirror: Pairs in the mirror are split.
• LU: Only the failed pair is split. UR only.

Local Storage System

Information about volumes in the accessed system.

• LDEV ID: LDEV identifier.
• LDEV Name: LDEV name.
• Port ID: Port identifier. TC/UR only.
• Host Group Name/iSCSI Target Alias: Host group name or iSCSI target alias. TC/UR only.
• iSCSI Target Name: iSCSI target name. TC/UR only.
• LUN ID: LUN identifier. TC/UR only.
• Pair Position: UR or URz only. Indicates whether the volume is the P-VOL or S-VOL of the pair.
• Attribute:
  • ALU: The volume has the ALU attribute.
  • SLU: The volume has the SLU attribute.
  • Data Direct Mapping: The volume has the data direct mapping attribute.

  If the attribute is not set, a hyphen (-) is displayed. TC and UR only.

• Journal ID: Journal's identifier. UR or URz only.
• Mirror ID: Mirror identifier. UR or URz only.
• Capacity: Capacity of the volume.
• CLPR: CLPR ID of the volume.
• Encryption: Encryption information:
  • Enabled: Encryption of the parity group to which the LDEV belongs is enabled, or a V-VOL is associated with a pool in which a pool volume has encryption enabled.
  • Disabled: Encryption of the parity group to which the LDEV belongs is disabled, or a V-VOL is associated with a pool in which a pool volume has encryption disabled.
  • Mixed: The pool to which the LDEV belongs contains two or more of the following:
    • Volume for which encryption is enabled
    • Volume for which encryption is disabled
    • External volume

    Note: Encryption of data is not ensured in an LDEV with the Mixed encryption status. To manage data encryption, use an LDEV in which Encryption is Enabled or Disabled.

  For an external volume, a hyphen (-) is displayed.

  For V-VOLs of Dynamic Provisioning or Dynamic Provisioning for Mainframe, the pool to which the LDEV belongs is an external volume or blocked.

• Journal Encryption: Journal's encryption status. UR or URz only.
  • Enabled: The journal contains encrypted volumes.
  • Disabled: The journal contains unencrypted volumes.
  • Mixed: The pool to which the journal volume belongs contains two or more of the following:
    • Volume for which encryption is enabled
    • Volume for which encryption is disabled
    • External volume

    Note: Encryption of data is not ensured in an LDEV with the Mixed encryption status. To manage data encryption, use an LDEV in which Encryption is Enabled or Disabled.

    A hyphen (-) is displayed if the pool to which the journal volume belongs is an external volume, created by migration, or blocked.

• Capacity Saving: Information on the capacity saving function.
  • Compression: The compression function is used.
  • Deduplication and Compression: The deduplication function and the compression function are used.
  • Disabled: The capacity saving function is not used.
• T10 PI¹: T10 PI attribute of the volume.
  • Enabled: T10 PI attribute of the volume is enabled.
  • Disabled: T10 PI attribute of the volume is disabled.

  The T10 PI attribute status is displayed only for TC or UR pairs.

Remote Storage System

Information about the remote system.

• Model / Serial Number: Model and serial number.
• Port ID: Port identifier. TC/UR only.
• Host Group ID/iSCSI Target ID: Host group identifier or iSCSI target identifier. TC/UR only.
• LUN ID: LUN identifier. TC/UR only.
• Journal ID: Journal's identifier. UR/URz only.

Path Group ID

Path group ID. Not used with TCz.

Fence Level

TC or TCz only.

P-VOL fence level.

CTG ID

UR only.

Consistency group identifier.

Initial Copy Type

Type of the pair create operation.

Copy Pace

TC or TCz only.

Number of tracks copied per remote I/O operation.

Initial Copy Priority

Scheduling order for pair create operation.

Error Level

UR or URz only.

Whether all pairs in the mirror are split if a failure occurs during this operation.

Change Settings

Opens the Change Settings window.

Delete

Deletes the specified pair from the table.