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Slow Backup, Incorrect Time Estimates, Erratic GUI Behaviour

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Hi Everyone,

I'm a user of the trial version of the program and wanted to share my experiences with the forum. My first backup was uneventful - 90GB of data from a disk 1 to an external 1TB USB disk. It only took less than 2 hours; I was content with that.

My second backup was on the same machine to the same destination disk but this time the source was disk 0 - 118GB of data to backup. The backup took 9 hours. 5 minutes before it finished it still said it had an hour to go. I observed the program at time over the 9 hours. Sometimes it would spontaneously highlight the close icon in the top right of the window (the 'X'), change its title bar to 'Not responding', repaint its window, vanish from the Windows dock and then reappear on it. During these periods the Task Manager would show the program as using 100% of the CPU. The rest of the time the CPU rarely went above 25%. Disk utilisation never went above 4MB/s. I can confirm UDMA was enabled on disks 0 & 1, both are capable of well in excess of 4MB/s.

I'm not entitled to technical support so I'm just sharing my experience; I have no expectation of a resolution to these problems.

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Andrew,

You are experiencing longer times than usual. A 90GB backup should take a few minutes, double that with validation... For example, I backup 70GB off my SSD in 8mn to an eSata disk resulting in about 23GB of backup size

Did you check the sector-by-sector option? Or maybe you have higher compression than normal...

What are the specs of your machine?