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Question

macbook air imaging times

  • May 3, 2011
  • 8 replies
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I am imaging a Macbook Air netbooted to OS X Server (all 10.6) via USB to ethernet adapter. I am block copying my image via asr script and it is taking FOREVER.... How many of you image Macbook Airs, and how long does it take you?

This is the entry level Macbook Air 11" with SSD.

Thanks,

Tom

8 replies

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  • Author
  • Honored Contributor
  • May 3, 2011

I configured the client in the nbi to run at a forced 100mbit instead of auto. Hopefully this goes faster.


bentoms
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  • May 3, 2011

I had an issue & found that on some switches (desk not server ones) you need to set the speed of the USB Ethernet Adaptor to either 100MB or 1GB. The switch had issues negotiating at 480MB.

Worth a shot.

Regards,

Ben.


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  • May 3, 2011

So, now my next question is, how do you force enable 100mbit connections to usb adapters in a netboot image? If we end up having 100 or so usb to ethernet adapters to mass image our 6,000 macbook air ( if they decide to buy all airs ), how do I enable the nbi to always force 100T on the usb to ethernet adapter? It seems when I leave the client on auto detect, it goes extremely slow.

thanks

tom


bentoms
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  • May 3, 2011

Were you plugging into a desktop hub or direct to a switch?

There maybe a switch setting you can change.

Also, how do you create the .nbi?

Regards,

Ben.


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  • May 3, 2011

I just use the netinstall creator in the resource kit. Once I set the client from "auto detect" to full duplex T100 the time drastically changed. I did my base image in under 20 minutes, where as when it is set to auto detect it took an hour to get 50% done. I don't think the switch is doing anything, I think it is how the client is "auto detecting" the speed.


bentoms
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  • May 3, 2011

I manually create the nbi so if you did the same you could create the interface with the setting.

Maybe, if we could get the netinstall code we could set this & keep ard so I can use it myself!!

Anyone?

Failing that, is the nbi rw able? Maybe you could create the USB Ethernet interface that way.

Regards,

Ben.


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  • May 3, 2011

I guess I can do a monolithic nbi off the macbook air with the service already configured, but there is no target disk mode on the MBA....these things are a pain


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  • May 3, 2011

or I guess I could use networksetup -setMedia "USB Ethernet" 100baseTX

not sure if that is the right syntax but that is what the manual page is telling me