Information about SATA, IDE (PATA) controllers

Posted by Adam Matan on Ask Ubuntu See other posts from Ask Ubuntu or by Adam Matan
Published on 2011-03-07T12:09:22Z Indexed on 2012/09/01 9:50 UTC
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Hardware

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hard-drive

I have a remote computer on which I want to install a new hard drive for rsync backup. The problem is, I don't know what controller technology is used (PATA, SATA, SATA2, ...) and how many available slots are left. I want to spare me an unnecessary drive just for opening the chassis and looking into wires.

How do I query the SATA or PATA controllers? I'm interested in the following points:

Which controllers exist in the machine
How many (and which) disks are attached to each controller
How many available slots are there

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