Maintain RAID / don't lose data when upgrading from Yosemite to Sierra?

Discussion in 'macOS Sierra (10.12)' started by Adams Apple, Jan 17, 2017.

  1. Adams Apple macrumors newbie

    Joined:
    Jan 26, 2013
    #1
    I've searched the web as well as these forums and can't find an instance of my exact scenario. My apologies if somehow this was asked before by someone else.

    I am still running Yosemite, but finally have a break between projects where I am able to make the jump to Sierra. I have an external Lacie 5big Thunderbolt (spec 1) 20TB RAID that has a lot of project data on it that I want to leave intact & unchanged. The bulk of this "data" are video source files as well as project files (i.e. Premiere, Avid, DaVinci Resolve project files). I have automated backups of my project files in place, as well as redundant backups of the video source files on bare SATA hard drives. So yes, I do have backups- but were I to have my raid unexpectedly wiped out- it would still be a major pain to rebuild everything.

    The Question: Can I upgrade to Sierra from Yosemite without having to reformat my raid drive? I know raid configuration was removed from El Capitan and re-instated in Sierra, but I have no idea of what other ramifications may be, if any.

    Thanks in advance.
     
  2. chrfr macrumors 603

    Joined:
    Jul 11, 2009
    #2
    RAID wasn't actually removed in El Capitan, it just wasn't in the graphic version of Disk Utility. Upgrading from Yosemite to Sierra should not affect your RAID at all.
    If I am not mistaken, the Lacie RAID unit is a hardware RAID, which has no relationship to the software RAID in OS X/macOS, so should not affect anything on your disk. You should, however, check with Lacie for compatibility and firmware updates that might apply.
     

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