Issue Installing Proxmox Backup Server 3.4 – Bootloader Error on Dell PowerEdge R230 (UEFI + ZFS RAIDZ-2)

Hi everyone,


I'm currently trying to install Proxmox Backup Server using the ISO proxmox-backup-server_3.4-1 on my Dell PowerEdge R230, but I keep running into an issue when the installer attempts to set up the bootloader.


System details:

• Dell PowerEdge R230
• Installation in UEFI mode
• 4x Western Digital Ultrastar DC HC320 8TB
• Configuration: ZFS RAIDZ-2

During the installation, I get the following error:

bootloader setup...

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