Shredding a volume


Shredding a volume
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Shredding a volume destroys the data stored on a volume by overwriting the volume with a digital pattern.

SFW provides the following methods for overwriting the volume:

1 Pass algorithm	Overwrites the volume with a pattern of zeroes.
3 Pass algorithm	The volume is overwritten a total of 3 times. The volume is first overwritten with a pre-selected digital pattern, then overwritten with the binary complement of the pattern. In the last pass, the volume is overwritten with a randomly selected digital pattern. This 3 pass approach is based on the specifications in the US Department of Defense standard 5220.22-M (3).
7 Pass algorithm	The volume is overwritten a total of 7 times. Each pass consists of overwriting the volume with a randomly selected digital pattern or with the binary complement of the previous pattern. This 7 pass approach is based on the specifications in the US Department of Defense standard 5200.28-STD (7).

Warning:

Operations performed on logs are done on the volumes that they are associated with. All the data in the volume is lost when you shred it. Make sure that the information has been backed up onto another storage medium and verified, or that it is no longer needed.

Note:

Dynamic disks belonging to a Microsoft Disk Management disk group do not support the Shred Volume command.

To shred a volume

Right-click the designated volume in the VEA GUI and select Shred Volume.
Select the method to shred the volume and click OK to continue.
In the confirmation dialog box, click Yes to confirm the operation.
The volume is entirely overwritten and removed immediately when the operation has completed.

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