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How many days should it take to restore 1.8 TB disk image?

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The image is created with TIH 2013 with max compression. It has two partitions and the mbr. The restore is running TIH 2015 in It's BartPe boot. Both the source and target drives are new and without error. The Sata 2 connection is flawless and the drives are tested to transfer consistently at 138 MB/s. The other hardware is more than adequate and quite idle at this time since everything is dedicated to the Acronis recover task. And its recovering sector by sector because there is no other option.

My question is simple and I'm hoping it can be answered by someone who has actually restored a 2 or 3 TB partition.

How many days or weeks should it take Acronis to restore a 1.8 TB disk image?

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Greetings,
There are several factors that come into play. Are both disks on the same type of interface?

Besides theoretical vs actual throughput, Memory and processing power also come into play. If you used something like Crystal Disk Mark or ATTO to test throughput, keep in mind that sustained writes may be lower than what the utility reports best case. Since you are also using compression, and the restore is sector by sector... I'd say you are looking at around 96 hrs or 4 days realistically. Could be a little less depending on processing power.

The killers in your case are the compression and sector by sector restore.

Thank you. I feel better. I'm on day three and its on part three of three and eight hours to go.

I am on day 5, and recovery states 1 hour and 48 minutes. I think that means, in recovery time, it will be done Tuesday.

There must be other circumstances relating to the restore. Memory or processing power. The decompression is all handed off to the CPU and I have no idea if its multi-threaded. It sounded like you were in the home stretch from your last post. Sector by sector restore takes a very long time.

Consider not using compression. The cost to time ratio is in favor of storage space over using compression. While 6TB drives remain expensive, 3-4TB can be had for $120-150

It's not processor or memory, eight core AMD 4 Ghz, 16GB ram 1866 Mhz. It's adequate.

My disaster recovery plan will certainly be modified, maybe an tiny SSD boot drive.

1 hour 31 minutes.

I'm back. I spent some time failing to learn bcdedit again, but the win7 repair disk worked.

It's not a good idea to replace all your hard drives at once. They're like light bulbs, all engineered to die at the same duration.