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I have a Lacie D2 Quadra that I have been using through firewire 800. Mac pros at school have an eSata hookup, but my HD will not show up when I try to use it this way. I have assumed the drive is not hotswappable and turned the comp on after plugging in the drive. Am I missing something about eSata here?

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Is the eSATA controller/port enabled? Not sure it can be enabled/disabled on Macs like it can on most PC motherboards. – Snark Nov 17 '09 at 6:14
Not sure...but I'm assuming that if the school went through all the trouble of installing the ports and cables they would enable us to use it! I could be wrong though. :P So there's nothing wrong with what I'm doing though? – Kato Nov 17 '09 at 6:54
Not that I can find by reading your question. eSata doesn't have a power connection, so do you have the harddisk plugged in a power supply? – Snark Nov 17 '09 at 8:13
Are you asking if I have the Lacie plugged into a power supply? If so, then yes, the drive will not work without it. – Kato Nov 17 '09 at 8:51
@kato I have an external that can do usb and esata. I went back to usb because id have to restart(sometimes) multiple times for it to pick it up. – sealz Jul 15 '11 at 21:36

Assuming your eSata drive is, like mine, connected ultimately to the 'spare' eSata port on earlier MacPros, its not hot-swappable so won't be picked up except after reboot. But it should 'just work' - no config or enabling is usually required. Have you tried it with a more than one of your school MacPros?

For what its worth, you are not alone and, like this guy, you might even get some help from Lacie with this.

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