Creating V-VOLs for Thin Image S-VOLs

Depending on the types of pairs with which you are working, there are two options for creating a V-VOL for a Thin Image S-VOL. For pairs with the snapshot attribute (snapshot pairs) for which the cascade attribute is enabled (cascaded pairs) or for clone pairs, create a DP-VOL. You can use a non-cascaded snapshot tree (using only root volumes and leaf volumes) even when you create snapshot pairs that are cascaded. For information about creating a DP-VOL, see the Provisioning Guide for your storage system. For snapshot pairs for which the cascade attribute is disabled, create a Thin Image V-VOL.

Before you begin

You must have the Storage Administrator (Provisioning) role.

Procedure

In the Explorer pane, click Storage Systems, expand the storage system tree, and then click Pools.
In the Pools window, in the Pools tab, click Create LDEVs.
In the Create LDEVs window of the Create LDEVs wizard, complete or review the following items, and then click Options:
- Provisioning Type
  Confirm that Snapshot is selected.
  
  Required: Yes
- System Type
  Verify that Open is selected.
  
  Required: Yes
- Emulation Type
  Confirm that OPEN-V is selected.
  
  Required: Yes
- Capacity Compatibility Mode (Offset boundary)
  Specify if you want to offset the specified LDEV capacity by boundary.
  
  Values: ON or OFF
  
  Default: OFF
- LDEV Capacity
  Complete the following:
  
  - Enter the amount of the LDEV capacity you want to create. Then enter a number within the range of the figures displayed under the text box. You can enter values up to two decimal places.
  
  - Click the unit capacity menu to choose the capacity unit, TB, GB, MB, or block.
- Number of LDEVs
  Enter the number of LDEVs you want to create.
  
  Range: (Shown below the text box.)
  
  Required: Yes
- LDEV Name
  Enter a name for the V-VOL.
  
  - For Prefix, enter the case-sensitive alphanumeric characters, which become the fixed characters that precede the V-VOL number.
  
  - For Initial Number, enter the initial number for V-VOL, up to 9 digits.
  
  - You can enter up to 32 characters in total for Prefix and Initial Number.
In the Create LDEVs window of the Create LDEVs wizard, complete the following additional items, and then click Add:
- Initial LDEV ID
  Confirm that an LDEV identification number has been set. To confirm the used number and unavailable number, complete the following steps:
  
  a. Click View LDEV IDs.
  
  b. In the View LDEV IDs window, confirm the LDEV ID, and then click Close.
- Initial SSID
  Enter a 4-digit representation of a hexadecimal number.
  
  Range: 0004 to FFFE
  
  Default: 0004
- Complete the following steps to confirm generated SSIDs:
  a. Click View SSIDs.
  
  b. In the View SSIDs window, confirm the SSID, and then click Close.
- CLPR
  Select CLPR.
  
  Required: No
- MP Blade
  Select the MP blade identifier to which you want to assign the LDEV. To specify an MP blade identifier, select the MP blade ID. To assign an arbitrary MP blade identifier, click Auto.
  
  Required: No
- MP Unit ID
  Select the MP Unit ID to which you want to assign the LDEV. To specify an MP Unit ID, select the MP Unit ID. To assign an arbitrary MP Unit ID, click Auto. The MP Unit ID that you can select depends on the VSP storage system model.
  
  Required: No
The created LDEVs are added to the Selected LDEVs table.
Note
The Provisioning Type, System Type, Emulation Type, LDEV Capacity, and Number of LDEVs fields must be set. If these items are not set, you cannot click Add.
Click Finish, and then confirm the settings.

NoteTo continue setting the LU path, click Next.
For more information about setting the LU path, see the Provisioning Guide for your storage system.
(Optional) To change the settings of the V-VOLs, you can complete the following:
1. To select a storage system identifier and edit the SSID properties, click Edit SSIDs. For details on how to edit SSIDs, see Editing the SSID for virtual volumes .
2. To change the LDEV settings, click Change LDEV Settings. For details on how to change LDEV settings, see Changing V-VOL settings.
3. In the Change LDEV Settings window, change the desired settings, and then click OK:
4. Click Finish, and then confirm the settings.
Accept the default task name or enter a unique name.
You can enter up to 32 letters, numbers, and symbols, except the following:
\ / : , ; * ? " < > |
If you want to monitor the task after submitting it, select Go to tasks window for status.
Click Apply to submit the task.

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Creating V-VOLs for Thin Image S-VOLs