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The thread discusses performance issues with Windows 7 system image backups over a 1Gb/s network, with users experiencing slow transfer speeds (4-5MB/sec compared to faster scheduled backups) and lengthy backup durations. The original poster is concerned about the slow backup process and whether subsequent images are incremental, seeking advice on improving speed and backup strategies. Contributions suggest that subsequent images may be incremental if stored to the same destination, but multiple users share frustrations with prolonged backup times, and one user reports a backup restarted after an accidental sleep, indicating potential reliability concerns. Overall, the sentiment highlights performance challenges with Windows 7 backups for large data amounts.
TomTiddler

TomTiddler

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Feb 24, 2009
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Thread Author #1
So, I'm doing system image backups over a 1Gb/s network. The system being backed up is a Sony notebook (FW285D) with a 500GB hard drive. The backup runs at a steady 4-5MBytes/sec transfer which seems slow (I should note that a scheduled Win7 backup bursts at 24-45MBytes/sec), and as a result the first system image backup took >24 hrs to complete.

Will subsequent image backups take the same amount of time? or is there an incremental mode that I cant find? I can't be doing with more than 24 hours to complete a backup.

Also, in the "regular" backup, if I choose "Let me choose", I notice that the Windows folder is not listed on the C drive, so how do I get regular incremental backups of the "system" without doing an image backup?

Any help would be much appreciated.
 

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I don't use Windows for that - but I have heard subsequent images ( assuming you choose the same destination) will automatically be incremental.

how do I get regular incremental backups of the "system" without doing an image backup?
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SIW2

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#2
I don't use Windows for that - but I have heard subsequent images ( assuming you choose the same destination) will automatically be incremental.

how do I get regular incremental backups of the "system" without doing an image backup?
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I am sorry, I don't understand the question.
 

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TomTiddler

TomTiddler

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Feb 24, 2009
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Thread Author #3
I guess I could have been more clear .......... System image backups seem to proceed at a maximum transfer rate (across a 1Gb/s network) of less than 10Mbits/sec. Obviously this takes forever for a 200GByte system image. My question is, why is the "system image" portion of the backup so slow, when the regular "scheduled backup" portion runs at burst speed exceeding 70Mb/s??

Anyone from MS want to chime in here??

Ian
 

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ayacenda

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Dec 8, 2009
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#4
My first backup has been running for 25 hours and it is 46% complete. I have about 300gb that I am backing up to a 2tb drive connected to a USB2 port. I am using the "Files in libraries and personal folders for all users and system image." option. I accidentally hit the sleep button on my keyboard yesterday about 20 hours into a backup. It looks like the backup restarted from the beginning. This seems unworkable to me.

Is my experience typical? Does anyone with 200Gb+ have success with the Windows 7 backup?
 

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