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Question: problems with serria 10.13.1 and RAID

im running a late 2011 mackbook pro... i pulled the CD rom drive and put in anutherhard drive and im running a RAID setup. im trying to upgrade to sierra 10.13.1 and am running into problems... I'm ok with getting rid of the raid setup, ive since bought an external backup. some gidence thru this process would really help me out ..

MacBook Pro, macOS Sierra (10.12.6), Running RAID setup

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Nov 13, 2017 3:17 PM in response to Sellmoney In response to Sellmoney

We can't give you guidance until you explain in detail what problems you are having. Please read Writing an effective Apple Support Communities question. You can set up RAIDs in High Sierra using the Terminal application and know how to use terminal commands. You cannot install macOS on an array if it has been fully erased, but you can clone a bootable disk to a RAID.

Nov 13, 2017 3:17 PM

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Question: problems with serria 10.13.1 and RAID