Proxmox install - mbr not overwritten error is 6

WN_S_122

New Member
Jul 1, 2024
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Good Morning!

I've wiped a PowerEdge 520 that was running VMWare ESXi 6.7. It has a PERC H310 with a total of about 2.7 TB Disk space.

I tried installing Proxmox VE 8.2 to test and see if we can shift away from ESXi

It goes through the initial install and then does the cleanup disks and create partitions. However, it fails to create the partitions on /dev/sda. When I look in the console, I see the error message: mbr not overwritten error is 6!

I tried reinstalling ESXi 6.7 and that worked without issue, I tried installing Proxmox over that ESXi 6.7 and get the same error.

I tried dd if=/dev/zero of=/dev/sda bs=1M count=1 and a wipefs -a /dev/sda. I also tried reinitializing the RAID.

None of them seem to resolve the issue.

Any advice?