Shred LDEVs wizard Confirm window

Use the Confirm window to review the information for the volume shredding operations and start the shredding task. When you are ready to start the specified volume shredding operations, enter a unique name for the shredding task, and then click Apply to start the shredding operations.

Selected LDEVs table in the Confirm window

Item	Description
LDEV ID	ID of the LDEV to be shredded. The ID is a combination of the logical disk controller (LDKC) number, control unit (CU) number, and LDEV number.
LDEV Name	Name of the LDEV to be shredded.
Parity Group ID	Parity group number (for example, 1-1) of the LDEV to be shredded. A parity group number starting with E (for example, E1-1) indicates that the parity group contains one or more external volumes. A parity group number starting with X (for example, X1-1) indicates that the parity group contains one or more Dynamic Provisioning virtual volumes.
Pool Name(ID)	Pool volume (pool-VOL) name and ID.
Capacity	Capacity of the LDEV to be shredded. To change the capacity unit, select Option Capacity Unit.
Provisioning Type	Provisioning type of the LDEV to be shredded: Basic: Internal volume External: External volume DP: Virtual volume of Dynamic Provisioning
Attribute	The following LDEV attributes are displayed: Command device: The volume has the command device attribute. SLU: The volume has the SLU attribute. Data Direct Mapping: The volume has the data direct map attribute. (VSP Gx00 models and VSP Fx00 models only) NAS Platform (User LU): User LU of NAS (-): The volume does not have any attribute.
Data Output	YES: The results of the shredding operation will be saved in a file. NO: The results of the shredding operation will be not saved in a file.

Shredding Data Pattern table in the Confirm window

Item	Description
Pass Number	Order of the overwrite pass.
Data Pattern	Dummy data pattern for the overwrite pass.
Result	Results of the shredding operations: -: The system did not overwrite the volume. Shredding operation Normal: The system successfully overwrote the volume. Writing: The system is overwriting the volume now. Shredding operation not executed: The system did not overwrite the volume as configured. Shredding operation canceled: The system or user cancelled the overwrite request. Shredding operation Failed: The overwrite process ended unsuccessfully. Shredding data transfer error: The results could not be written to a file. Shredding data verify error: An error was detected while verifying the file containing the result. No-data assigned: The Dynamic Provisioning virtual volume was unused; no dummy data was written to the volume. However, if the following volumes are included in the shredding volumes, the dummy data is written to volumes: Used Dynamic Provisioning virtual volumes, Internal volumes with normal status, and External volumes.