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is contents of orignal drive destroyed after cloning from original drive to target drive?

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I have Tue Image 2014. Are the contents of the original drive destroyed after cloning from original drive to target drive? best, Aaron

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Aaron,

The Cloning process isn't supposed to affect the Source HDD since the process is reading the Source HDD and writing to the Target HDD.

There are exceptions to this. One exception is the Windows "Restore Points". This may be dependent on what Cloning software is used or the Cloning parameters selected (Automatic, Manual, etc).

I Clone with the bootable media, outside of Windows, using the Automatic Cloning mode with identical-sized spinner HDD's. The only difference I've experienced between my Source and Target HDD's has been with the Restore Points. The Restore Points that are present on the Source HDD are not present on the Target HDD after Cloning to the Target HDD. If I recall, this is due to the absolute sector location of Restore Points and that the sector locations are not identically replicated during the Cloning process from the Source to the Target HDD.

Replicating Restore Points to the Target HDD isn't important to me since I rarely use Restore Points as a rollback path on my HDD.

I've been Cloning with Acronis 2011 for about 4 years with 3 PC's. After about 130 Cloning processes, I've had 2 Cloning errors. After looking into the cause of the 2 errors, I discovered something that was surprising to me.

The surprise was that both the Source and Target HDD's were rendered unbootable after Cloning. I had always assumed that the Source HDD was being read when Cloning and would not be affected as the "read-only" HDD within a Cloning process.

The error that was encountered with both HDD's after completing the Cloning process (no errors were reported during the Cloning process with the issue) was that the MBR was rendered unreadable on both HDD's. This occurred due to a Disk Signature conflict that somehow affected the Source HDD.

I was able to repair both HDD's within a few minutes using "Bootrec" from my Win 7 System Repair media but it was an interesting experience as it dispelled my understanding that the Source HDD is not affected in any way during a Cloning process, except for an interrupted Cloning process due to a power outage, etc.