Create TI Pairs window

Use this window of the Create TI Pairs wizard to select LDEVs that are P-VOLs.

This window is the first window of the Create TI Pairs wizard.

Setting fields

The following table lists the items on this window of the Create TI Pairs wizard.


Item	Description
Use Primary Volumes of Thin Image Pairs (VSP Gx00 models and VSP Fx00 models)	Specifies whether you want to use the Thin Image pair’s P-VOL. Values: Yes: The storage system shows only P-VOLs of the pair that is already created in the Available Primary Volumes table. No: The storage system shows only LDEV of the pair that is not created yet in the Available Primary Volumes table.
Create Pairs using Volumes as Root Volumes (VSP G1000, G1500, and VSP F1500)	Specify whether to create a new pair using the specified volume as the root volume. Yes: Create a pair using the specified volume as the root volume. The Available Primary Volumes table lists LDEVs which are not paired, and S-VOLs of the cascade pairs with the clone attribute. No: Create a pair using the P-VOL of a created pair. The Available Primary Volumes table lists P-VOLs of created pairs, and S-VOLs of created cascade pairs.
Selection Object (VSP Gx00 models and VSP Fx00 models)	Filters LDEVs in the Available LDEVs table according to port type. NAS Platform (User LU) is displayed for VSP Gx00 models, and VSP Fx00 models.
Select By (VSP G1000, G1500, and VSP F1500)	Specify whether to specify LUN to create a pair. LUN: Specify LUN, and then select an LDEV to create a pair. LDEV: Select an LDEV to create a pair without specifying LUN.
Port ID	The LDEV's LUN path port identification number for which you want to filter the Available LDEVs table. This item dispays if you select LUN for Select By. (VSP G1000, G1500, and VSP F1500)
Host Group Name	Used to filter LDEVs to display in the Available Primary Volumes table. (VSP G1000, G1500, and VSP F1500) This item is displayed if you select LUN for Select By, and a Fibre Channel port for Port ID. (VSP Gx00 models and VSP Fx00 models) This item is displayed if you select a Fibre Channel port or a NAS user data port for Port ID. Default: Any
iSCSI Target Alias	Used to filter LDEVs to display in the Available Primary Volumes table. (VSP G1000, G1500, and VSP F1500) This item is displayed if you select LUN for Select By, and an iSCSI port for Port ID. (VSP Gx00 models and VSP Fx00 models)This item is displayed if you select an iSCSI port for Port ID. Default: Any
Cascade (VSP G1000, G1500, and VSP F1500)	Select to enable or disable creation of cascaded pairs. Enable: Cascaded pairs can be created. Disable: Cascaded pairs cannot be created.
Pair Type (VSP G1000, G1500, and VSP F1500)	Select the pair type. Snapshot: Creates a pair with the snapshot attribute. Clone: Creates a pair with the clone attribute. This item is available when you select: No for Create Pairs using Volumes as Root Volumes. Yes for Create Pairs using Volumes as Root Volumes and Enable for Cascade.
Select Pool button	Click to open the Select Pool window. (VSP G1000, G1500, and VSP F1500) You cannot select this button if you select No for Create Pairs using Volumes as Root Volumes. (VSP Gx00 models and VSP Fx00 models) You cannot select this button if you select Yes for Use Existing Volumes of Thin Image Pairs.
Snapshot Group	Specifies whether to create a new snapshot group or to use an existing one. Values: Create New: Enter the values of the snapshot group you want to create in Number of Snapshot Data per Primary Volume, Prefix, and Initial Number, and then select Snapshot Group Configuration. Use Existing: Select Snapshot Group Configuration, and then select the snapshot group you want to use from the Available Snapshot Groups table. If you select All in Snapshot Group Configuration, enter a value for Number of Snapshot Data per Primary Volume.
Number of Snapshot Data per Primary Volume	The number of snapshot data per primary volume.
Snapshot Group Configuration	The configuration of the snapshot data. Values: P-VOL Straddle: When you select Create New in Snapshot Group, creates a snapshot group that straddles multiple primary volumes. When you select Use Existing in Snapshot Group, adds snapshot data to an existing snapshot group that you select in the Available Snapshot Groups table as straddling multiple primary volumes. Per P-VOL: Creates a snapshot group for each primary volume. You can select this option if you select Create New in Snapshot Group. All: When you select Create New in Snapshot Group, creates a new snapshot group and adds all snapshot data to it. When you select Use Existing in Snapshot Group, adds all snapshot data to an existing snapshot group.
Prefix	The fixed character prefix of the snapshot group.
Initial number	The initial number of the snapshot group.
Add button	Click to move the selected volumes from the Available Primary Volumes table to the Selected Primary Volumes table.

Available Snapshot Groups table

The following table lists the items in the Available Snapshot Groups table on the Create TI Pairs window.

This table is displayed if you select Use Existing in Snapshot Group.


Item	Description
Snapshot Group	The snapshot group name.
Number of Pairs	The number of snapshot group pairs.
New Snapshot Group	Indicates whether the snapshot group is new or existing. Values: Yes: Newly created snapshot group. No: Already defined snapshot group.

Available Primary Volumes table

The following table lists the items in the Available Primary Volumes table on the Create TI Pairs window.


Item	Description
LDEV ID	The LDEV’s identification number which can be specified as the P-VOL.
LDEV Name	The LDEV's name.
Port ID	The port name of the LDEV's LUN path. This item is displayed if you select LUN for Select By. (VSP G1000, G1500, and VSP F1500)
Host Group Name / iSCSI Target Alias	The host group name and ID or iSCSI target alias and ID of the LDEV's LUN path. This item is displayed if you select LUN for Select By. (VSP G1000, G1500, and VSP F1500)
iSCSI Target Name	The iSCSI target name. This item is displayed if you select LUN for Select By. (VSP G1000, G1500, and VSP F1500)
LUN ID	The LUN identification number of the LDEV's LUN path. This item is displayed if you select LUN for Select By. (VSP G1000, G1500, and VSP F1500)
Provisioning Type	The LDEV’s provisioning type. Values: Basic: Internal volume. DP: DP-VOL. External: External volume. ALU: ALU attribute volume.
Attribute	The LDEV’s attribute. Values: ALU: ALU attribute volume. SLU: SLU attribute volume. Data Direct Mapping: Data Direct Mapping attribute volume. (VSP Gx00 models, VSP Fx00 models) NAS Platform (User LU): User LU of NAS. If the volume does not have any attribute specified, a hyphen (-) is displayed.
Capacity	The capacity of the LDEV.
CLPR	The LDEV’s CLPR ID.
Encryption	The LDEV’s encryption information. Enabled: Encryption is enabled for the parity group to which the LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption enabled. Disabled: Encryption is disabled for the parity group to which the LDEV belongs, 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 both pool volumes for which encryption is enabled and ones for which encryption is disabled. Note: Data encryption is not ensured in an LDEV with Mixed encryption status. If the LDEV is an external volume or migration volume, a hyphen (-) is displayed. (VSP G1000, G1500, and VSP F1500) For DP-VOLs, the pool to which an LDEV belongs is an external volume or blocked.
T10 PI	The LDEV's T10 PI attribute information. Enabled: The LDEV's T10 PI attribute is enabled. Disabled: The LDEV's T10 PI attribute is disabled.
Number of Snapshot Data	The number of snapshot data to which the LDEV belongs.
Cascade (VSP G1000, G1500, and VSP F1500)	Indicates whether a cascade pair can be created Enabled: Cascaded pairs can be created. Disabled: Cascaded pairs cannot be created.
TI Pair Position (VSP G1000, G1500, and VSP F1500)	Indicates that the volume is the P-VOL or S-VOL of the pair.
TI Pair Topology ID (VSP G1000, G1500, and VSP F1500)	The topology ID, which indicates the layer of the pair based on the mirror unit. The topology ID consists of the LDEV ID of the root volume and the mirror unit number.
Primary Volumes	If you use the LDEV as an S-VOL for an existing pair, information about the P-VOL is displayed. Values: LDEV ID: The LDEV's identification number. LDEV Name: The LDEV's name. Port ID: The port name of the LDEV's LUN path. Host Group Name / iSCSI Target Alias: The host group name and ID or iSCSI target alias and ID of the LDEV's LUN path. iSCSI Target Name: The P-VOL's iSCSI target name. LUN ID: The LUN identification number of the LDEV's LUN path. Capacity: The LDEV's capacity. CLPR: The LDEV's CLPR ID.
Pool Name (ID)	The pool name and identification number.
Mirror Unit	The mirror unit number. If you have not allocated an LDEV to the S-VOL for an existing pair, a hyphen (-) is displayed.

Selected Primary Volumes table

The following table lists the items in the Selected LDEVs table on the Select Primary Volumes window.


Item	Description
LDEV ID	The selected P-VOL's LDEV identification number.
LDEV Name	The selected P-VOL's LDEV name.
Port ID	The port name of the LDEV's LUN path.
Host Group Name / iSCSI Target Alias	The host group name and ID or iSCSI target alias and ID of the LDEV's LUN path.
iSCSI Target Name	The iSCSI target name.
LUN ID	The LUN identification number of the LDEV's LUN path.
Attribute	The LDEV’s attribute. Values: ALU: ALU attribute volume. SLU: SLU attribute volume. Data Direct Mapping: Data Direct Mapping attribute volume. (VSP Gx00 models, VSP Fx00 models only) NAS Platform (User LU): User LU of NAS. If the volume does not have any attribute specified, a hyphen (-) is displayed.
Capacity	The capacity of the LDEV.
Encryption	The LDEV’s encryption information. Enabled: Encryption is enabled for the parity group to which the LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption enabled. Disabled: Encryption is disabled for the parity group to which the LDEV belongs, 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 both pool volumes for which encryption is enabled and ones for which encryption is disabled. Note: Data encryption is not ensured in an LDEV with Mixed encryption status. If the LDEV is an external volume or migration volume, a hyphen (-) is displayed. (VSP G1000, G1500, and VSP F1500) For DP-VOLs, the pool to which an LDEV belongs is an external volume or blocked.
T10 PI	The LDEV's T10 PI attribute information. Enabled: The LDEV's T10 PI attribute is enabled. Disabled: The LDEV's T10 PI attribute is disabled.
Snapshot Group	The snapshot group name.
New Snapshot Group	Indicates whether the snapshot group is new or existing. Values: Yes: Newly created snapshot group. No: Already defined snapshot group.
Number of Snapshot Data	The number of snapshot data.
Pool Name (ID)	The pool name and identification number.
Pool Encryption	The pool's encryption information. Enabled: Encryption is enabled for a pool created by the pool volume. Disabled: Encryption is disabled for a pool created by the pool volume. Mixed: A pool contains both pool volumes for which encryption is enabled and ones for which encryption is disabled, or volumes for which encryption is specified and an external volume. Note: Data encryption is not ensured in an LDEV with Mixed encryption status. For pools created in external volumes, or blocked pools, a hyphen (-) is displayed.
Cascade (VSP G1000, G1500, and VSP F1500)	Indicates whether a cascade pair can be created Enabled: Cascaded pairs can be created. Disabled: Cascaded pairs cannot be created.
Pair Type (VSP G1000, G1500, and VSP F1500)	Select the pair type. Snapshot: A pair with the snapshot attribute. Clone: A pair with the clone attribute.
Remove button	Click to remove the selected row from the Selected Primary Volumes table.