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What Is Disk Signature Collision and How to Fix It?

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Data storage devices are important parts of your computer. They can be used to save, port, and extract files. Usually, there is more than one storage device on your computer. In order to distinguish each device on your computer system, these devices have their unique numbers that are called Disk Signature for identification.

This unique disk identifier is a part of the Master Boot Record (MBR). The operating system uses the disk signature to identify the different data storage devices on your computer
In theory, every storage device has a unique signature. But, why disk signature collision still happens?

When you need a larger hard drive to save more data, you will need to clone data from the original drive to the new larger one.

During the cloning process, drives need to make a similar copy to use both the cloned copy and the original one. At the same time, the virtualization tools are used to virtualize the physical hard disk drives that are virtualized to create virtual hard disk drive and several virtual machine clones are created with the existing Virtual hard disk drives.
You can see that they are identical copies, so it is quite possible that these copies might have the same disk signature. In a situation like this, you may encounter the disk signature collision issue.

Indeed, the disk offline signature collision is a rare issue because Windows OS doesn’t allow two hard drive disks to work at the same time if they have the same disk signature:

In the old Windows OS like Windows XP and Windows Vista, the system can automatically modify the disk signature if there is a disk signature collision.

In Windows 7, Windows 8 and Windows 10, the situation will be different. If two data storage drives have the same disk signature, the second drive that causes disk signature collision will be changed to the offline state automatically. You will be unable to use that disk before correcting the disk signature collision.

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Created by GUOYAWEN 16 weeks 2 days ago – Made popular 15 weeks 5 days ago
Category: Technology   Tags:


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