That's what I did too - installed on an SSD and migrated everything over - I still have the possibility to boot in Yosemite, Mavericks and even Snow Leopard if necessary from various Hard drives - the big advantage of the Mac Pro. I have used both a Crucial MX200 and now a Samsung 850 Evo 1TB - the MX 200 is heading for my laptop soon. I used the Pikify method and the installer creator of rthpjm and it works really well. Then used Boot64 to protect the Boof.efi files in future updates.Thanks rthpjm and ant3000 for the suggestions. I had to get back to work this week so I ended up reverting. I think I'm going to wait until I can get an SSD installed and try to install it on that; that way if it doesn't work, I can just plug in my old drive and keep working and tinker on the second drive until I get it working without affecting my work.
Thanks again! I'll give it a try later
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Have you selected the startup disk through system prefs when booted into El Capitan? I noticed that I had to do this to get it remember where to boot from - can't recall if this happened on previous installs.Not sure if others have had the same issue after updating to 10.11.5...
I installed 10.11 on my MacPro 2,1 with no issues via pike's boot.efi, but the newest update 10.11.5 installed via Mac App Store my Mac seemed to reboot improperly, sounds like its trying to boot off the CD/DVD.
I had to shut it down and hold the Option key and boot into my Lion partition, re-downloaded the boot.efi and reinstalled it back into its proper places in my El Capitan partition.
Rebooted and still sounded like it was trying to boot off my CD/DVD again, it kept doing it in a loop with no end.
Shut it down, held Option key and manually booted from the El Capitan partition and sure enough this time it booted and finished the 10.11.5 update.
However, every time I do a re-start or reboot, I have to manually hold Option key and boot into my El Capitan. If I leave it by itself to reboot, it'll keep trying to boot into the CD/DVD it seems.
I already performed a PRAM reset and also set the startup disk to El Capitan, so not sure what happened. El Capitan still works as normal, its just booting.
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