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It is possible to create a Logical Volume Group spanning over more than two disks. I doubt that it will differentiate between fast and slow HDD. The SSD part should work though. To accomplish this put all drives in your iMac and boot to a Mavericks or Yosemite bootable installer thumb drive. Partition all drives as simple volumes with Disk Utility. Then ...


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Use Disk Utility from a working machine I don't know why this didn't work in recovery mode, but a friend suggested I plug the SSD into a working Mac with a USB adapter and try using the working Mac's Disk Utility to format the drive. I did, and that worked. Now I'm installing OS X on it using recovery mode. Maybe (I'm speculating) the version of Disk ...


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If you have your data safely backed up or don't care about losing it, you can follow these instructions to recreate your Fusion Drive. Boot into Internet Recovery or an OS X bootable drive. From the Utilities menu, open Terminal. Run diskutil cs delete 654B2807-197B-46D1-9919-B75C0290D33A to destroy your current Fusion Drive. This WILL lose all of your ...


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Booted to your main volume or Recovery HD open Terminal and enter (El Capitan installed): diskutil cs resizeStack 7D5C38D3-6682-498B-A003-82580C9EC3D3 1120g or in (Mavericks/Yosemite installed) diskutil cs resizeStack 7D5C38D3-6682-498B-A003-82580C9EC3D3 0g Please add a comment if you get an error .


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Apple recommends backing up your HD as they "can't guarantee the integrity of the data on hard drive." Or words to that effect. Theoretically you can do what you have proposed. You may have boot issues, EG the Mac the SSD is swapped into may not boot but that is unlikely to damage either the Mac or the drive, so if you have the Mac and the time, go for it. ...


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It depends on the system installed on the SSD. If the Mac Pro is capable of booting with it and it fits physically, then I see no problem why it shouldn't work. MacPro1,1 - 2,1: max system version: 10.7.5 MacPro3,1 - 6,1: max system version: latest all MacBookPros 2008 (4,1 and 5,1) can run the latest system Usually all necessary drivers for any Mac ...


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Your SSD as you said is empty, so this is why you do not have any recovery partition to reinstall the OS. You need to boot to an external device (USB key or DVD depending on your Mac) in order to format and install Mac OS on your new SSD. You can use software like DiskMaker X to create a bootable OS X device. You will need another Mac to create the ...



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