OSX Recovery Yosemite On USB like Mountain Lion?


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Hi all, I am trying to create a recovery usb similar to how it used to be in Mountain Lion and Lion. In the past I would just use the recovery assistant tool to create a bootable usb from the actual recovery. This would be a small recovery which would have enough to boot OSX and get it from the app store after signing in. However something changed where this recovery assistant no longer works properly. When I option boot to it, after it attempts to load I get the circle with a slash no symbol. Long story short I have seen guides on how to make the full installer that does not get the install from the internet. This isnt want I want. I have to install tons and tons of Macs and I want to ensure the customers have correct licensing when doing this which is why I want it to download the full OS each time. In addition to that it guarantees I am always getting the most up to date build without having to rebuild the USB drive everytime there is some update. Any ideas on how to build this like how it was in Mountain Lion?

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I want a bootable OSX installer that pulls the install files from the internet instead of installing from the USB. Essentially the recovery partition you have with command R but on USB. The usb is only for getting to the app store. This is the way it used to work before Mavericks.

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Done that already I still would have to download the image from the App store and rebuild it everytime there is a new one using this method. The old recovery disk assistant does not make bootable usbs with Yosemite

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Hmmmm. I know what your talking about. What I usually do is install the new OS and grab an image of it. So I extract the recovery from that. You can always do that. I can experiment at work tomorrow and see if the old way is still there. With OS X apple doesn't usually get rid of features or tools but they do change then or bury them. Only those who have done it forever will know how to.

Maybe I can find something for you tomorfow

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Nevermind, I found out just now why it does not work. If you use the recovery disk assistant on a system that has filevault 2 on it tries to copy and load macintosh HD instead of the recovery. When I just recreated it using a non-file vaulted system it just works. I guess this can be marked as solved. I noticed that my USB renamed to macintosh hd instead of recovery and the OSX build number.

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