DaZZa wrote:
an image of the disk using DD to a USB attached drive - which works,
and gets the new boxes working, but takes 3+ hours to dump the image
back to the new boxes.
> 3+ hours over 5000 machines is not really acceptable. :-)

The USB is the bottleneck. You need to use 100 MB/s ethernet.
I know the UTS student machines can all be re-imaged in 40 minutes and thats GBs in size. They remote boot and the image is pushed out to them I think by PXE.

Mike
--
Michael Lake
Computational Research Centre of Expertise
Science Faculty, UTS
Ph: 9514 2238




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