Why is Apple System Image Utility so slow?

Posted by Jon Rhoades on Server Fault See other posts from Server Fault or by Jon Rhoades
Published on 2010-01-22T06:27:29Z Indexed on 2010/04/13 5:03 UTC
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macosx

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macosxserver

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siu

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imaging

I'm using Apple System Image Utility (SIU) on Snow Leopard 10.6.2 and I am rather disturbed it takes over Three hours to make a Netrestore or Netboot image.

I'm using as the donor machine a brand new iMac and as the imaging machine a brand new iMac connected using target disk mode & Firewire 800. The hard drive size and subsequent image is about 8GB. To restore the image over the network takes about 4 minutes.

Given that Norton Ghost will take an image in about 5 minutes (or less on newer machines) over USB2, why is the Mac over an order of magnitude slower?

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