12 Core MacPro (2010) – Should I upgrade to High Sierra ?

in macOS
I'm running 10.12.6 on my MacPro 12 Core (Mid 2010) with 64GB and 520GB SSD Drive plus QTY 3 x 3TB Internal HDD Drives.... plus 15TB DroboS Gen 2 (Firewire).

I want to upgrade to High Sierra... all my core software has been updated to be compatible... anyone have any issues with upgrading an old MacPro 2010.

Inhave a full backup on my Drobo of my entire system (520GB Boot Drive plus QTY 3 x 3TB Internal HDD Drives).... so I feel safe enough... but always nervous about upgrading, especially as my machine gets old and older. Should I be concerned about this APFS feature...?

I upgrade my new MacPro 2017 with Touch Bar and had no issues at all.... but I have nothing important on that computer so I wasn't too worried if anything happened on there...but this is my main work machine... a very different story with this computer.

Any comments or suggestions most welcome.


  • Reply 1 of 3
    I don’t see why not. If you know everything is compatible, go for it.
  • Reply 2 of 3
    I have the 8 core version of your machine (5,1 late 2010). I had a conversation with Apple yesterday and (for me) THE BIG FAT ANSWER IS TO WAIT.

    Here's why:

    In my case my boot drive is an OWC Mercury Accelsior 960 PCIe SSD. A drive consisting of two blades preconfigured RAID 0. - CURRENTLY THE APFS DOES NOT SUPPORT RAID 0 - AT ALL - KINDA A BIG DEAL. OWC told me to wait and an Apple Engineer confirmed that as of now, RAID 0 is not supported... at this time.

    The light on the horizon might come in the form that Craig Federighi mentiond that they're working to get High Sierra to install properly on their own Fusion Drives. When, I don't know. It's also unclear how installing High Sierria would affect my own internal 4 (spining) drive RAID 0.

    I'd imagine that alot of this will be figured out when the iMac Pros are released as well as the new version of Final Cut X.

    - Personally I'm a video editor and rely on Premiere Pro and After FX. Hope this helps a bit.
  • Reply 3 of 3
    Mike WuertheleMike Wuerthele Posts: 6,270administrator
    I love threads like this. We don't have enough.

    Anyway, to the OP, do you have a genuine 5,1 or a 4,1 flashed to be a 5,1? The factory High Sierra issues a minor firmware update -- that chokes on the flashed 4,1.

    This may be of use if you have a flashed 4,1.

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