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using two hard drives..

How do i set up macbook pro with two drives? I replaced optical drive with ssd drive and installed yosemite now i would like to link drives. How do i do this? still using original hard drive as secondary drive internal.

MacBook Pro, OS X Mountain Lion (10.8.2)

Posted on Apr 26, 2015 8:55 AM

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Posted on Apr 26, 2015 11:58 AM

It's generally thought that your SSD should be in the internal SATA drive bay. I think what you're referring to is a fusion drive.

Theses are blogs from OWC:

http://blog.macsales.com/?s=Fusion+Drive

5 replies

Apr 26, 2015 5:26 PM in response to jackndor

It will make it easier to help you w/ your problem to know know more information about your computer; size, exact year built, RAM installed and OS you're running. Any history prior to your incident would also be helpful.

Here's a quote from that OWC Blog that I referenced:

http://blog.macsales.com/15617-creating-your-own-fusion-drive

"Setting up a Fusion Drive

Items Needed:

  • A 2012 Mac mini – this is anabsolute requirement as these are the only machines that currently have a version of Disk Utility that can create a Fusion volume.
  • A hard drive and an SSD installed/to install internally – Fusion is designed to work on internal drives only.
  • An external drive to clone to – creating a Fusion volume will erase both the SSD and the hard drive, so if you have information on the hard drive you want to keep, you’ll need to have a copy of that data elsewhere."


Here's an interesting alternative to a fusion setup:

http://blog.macsales.com/24915-splitting-your-data-an-alternative-to-fusio

Apr 26, 2015 8:05 PM in response to jackndor

So you should be able to do it:

http://blog.macsales.com/17624-os-x-10-8-3-provides-fusion-drive-setup-option-fo r-non-fusion-drive-equipped-macs

"How Do I Create A True DIY Fusion Drive?

Items Needed:

  • A Mac that you can install both a Solid State Drive and a Hard Disk Drive into. So that’s the iMac (2009 or newer), MacBook (Late 2008 Aluminum, or Early 2009 or newer) with Data Doubler, or MacBook Pro (Late 2008 or newer) again with Data Doubler, Mac mini (Early / Late 2009, Mid 2010 Server, and Mid 2011 or newer) with Data Doubler Kit or Data Doubler where applicable, or Mac Pro (Early 2008 or newer).
  • A hard drive and an SSD installed/to install internally – Fusion is designed to work on internal drives only.
  • An external drive to clone to or a Time Machine backup drive – creating a Fusion volume will erase both the SSD and the hard drive, so if you have information on the hard drive you want to keep, you’ll need to have a copy of that data elsewhere.
  • An external hard drive or USB flash drive that is 8GB or larger to boot your OS X 10.8.3 installer"

using two hard drives..

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