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I am attempting to install ubuntu 18.04 server on a computer with 3 nvme m.2 SSD's. I am trying to use raid 5. After partitioning the system as follows

RAID5 device #0 - 4.0 GB Linux Software RAID Array
     #1             4.0 GB     K  swap     swap
RAID5 device #1 - 1.0 TB Linux Software RAID Array
     #1             1.0 TB     K  ext4     /
/dev/nvme0n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB     K  raid
/dev/nvme1n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB     K  raid
/dev/nvme2n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB     K  raid

I get this error right after. 

An installation step failed you can try to run the failing item again from the menu or skip it and choose something else the failing step is: Install the system

I have tried some other partitioning patterns but nothing that works

caleb baker
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  • There's no need for a swap partition in 18.04. And you're system is likely UEFI therefore and EFI partition is a requirement. –  May 14 '19 at 17:36
  • @GabrielaGarcia Okay So do I make the EFI In a software raid device as in RAID5 Device #0 Or does this happen before raid – caleb baker May 14 '19 at 18:16
  • I know almost nothing about RAID but logic tells me the firmware must see the EFI partition before anything OS/software related/dependent so, before? It's how UEFI works –  May 14 '19 at 18:23
  • Do not know RAID, but some info here? https://askubuntu.com/questions/660023/how-to-install-ubuntu-14-04-16-04-64-bit-with-a-dual-boot-raid-1-partition-on-an – oldfred May 14 '19 at 18:36

1 Answers1

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I finally figured out my problem. I needed the boot flag for my second primary partition on each device

RAID5 device #0 - 4.0 GB Linux Software RAID Array
     #1             4.0 GB     K  swap     swap
RAID5 device #1 - 1.0 TB Linux Software RAID Array
     #1             1.0 TB     K  ext4     /
/dev/nvme0n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB  B  K  raid
/dev/nvme1n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB  B  K  raid
/dev/nvme2n1 - 512.1 GB INTEL SSDPEKNW512GB
     #1  primary    2.0 GB     K  raid
     #2  primary  510.1 GB  B  K  raid
caleb baker
  • 33