[CentOS] Installing 32-bit CentOS 6 on a new Lenovo System x3650 M5 server?
johnny at centos.org
Thu May 19 11:15:56 UTC 2016
On 05/18/2016 07:35 PM, Alfred von Campe wrote:
>> On May 13, 2016, at 16:27, I wrote:
>> Is there any known incompatibility with the latest 32-bit (i386) CentOS 6 and the latest Lenovo x3650 M5 servers? I’ve been running i386 CentOS 6.X on 3 year old x3650 M4 servers without any issues. Our development environment has not been ported to 64-bit (x86_64) yet, so we are stuck using i386 for another few months. When I try to boot from the netinstall ISO image I just get a “Boot Failed” message. Has anyone had similar issues, and more importantly, figured out a way to workaround it?
> I’ll answer my own question now that I’ve figured it out in case anyone else is in the same boat. After the i386 CentOS 6 net install ISO failed to boot, I tried the LiveCD and minimal ISOs which failed in the same way. Then I tried various x86_64 ISO images to no avail. The only ISO image that I was able to boot from was the latest Ubuntu 16.04 LTS release. But I really need i386 CentOS. I was able to install it by clicking on a Legacy checkbox in the BIOS, which brought up a different list of boot devices and I was finally successful in booting from the ISO image. I then had to finagle the BIOS to always boot in legacy mode so that it would recognize the i386 CentOS boot partition on each powerup.
Yes, CentOS-6 32bit can not boot UEFI or secureboot at all, and needs
'Legacy Boot' enabled. The CentOS-6 x86_64 can boot 'UEFI with
secureboot off', but not secureboot.
CentOS-7 (x86_64) can install on secureboot or 'UEFI w/secureboot off',
CentOS-7 (Altarch i386) can install on 'UEFI w/secureboot off' or
legacy, but no secureboot.
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