install Proxmox on a Cisco C240 M3 server where Cisco uses RAID

[Tanto]

dear all,
I want to install Proxmox on a Cisco C240 M3 server where Cisco uses RAID, but I am experiencing the following problems,
what should I do next?
For those who want to help me, thank you...

 

[cheiss]

Hi,

how did you boot the ISO on the server? USB flash drive, BMC/IPMI, ...?
If USB flash drive, how exactly did you write the ISO to it?

Also, any particular reason why you are using the 7.4-1 and not the current 8.2-1 ISO?