Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-30 Thread Jon Pruente
On Sat, Aug 28, 2021 at 8:47 AM Valeri Galtsev wrote: > On August 28, 2021 8:07:30 AM CDT, Jonathan Billings > wrote: > >On Aug 28, 2021, at 05:58, Rob Kampen wrote: > >> > >> As to the RH decision to default to a legacy boot / MBR oriented > install based upon size of disk ... words fail me.

Re: [CentOS] Upgrading (?) from legacy boot to UEFI [SOLVED]

2021-08-28 Thread Rob Kampen
On 29/08/21 1:03 am, Jonathan Billings wrote: On Aug 28, 2021, at 05:58, Rob Kampen wrote: Yeah, it is astounding to me that RH does not define their implementation of the grub2 grub.cfg file with particular focus on the things that are different between legacy boot and UEFI. Also what (if

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Valeri Galtsev
On August 28, 2021 8:07:30 AM CDT, Jonathan Billings wrote: >On Aug 28, 2021, at 05:58, Rob Kampen wrote: >> >> As to the RH decision to default to a legacy boot / MBR oriented install >> based upon size of disk ... words fail me. > >I don’t think that it chooses legacy boot based on the

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Jonathan Billings
On Aug 28, 2021, at 05:58, Rob Kampen wrote: > > As to the RH decision to default to a legacy boot / MBR oriented install > based upon size of disk ... words fail me. I don’t think that it chooses legacy boot based on the size of disk, but based on how you booted the installer. If you booted

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Jonathan Billings
On Aug 28, 2021, at 05:58, Rob Kampen wrote: > > Yeah, it is astounding to me that RH does not define their implementation of > the grub2 grub.cfg file with particular focus on the things that are > different between legacy boot and UEFI. Also what (if any) differences there > may be in the

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Rob Kampen
On 28/08/21 8:24 pm, Simon Matter wrote: On 27/08/21 10:51 pm, Rob Kampen wrote: Unfortunately the server is remote and the CentOS7 USB device I left plugged into the machine refuses to boot from UEFI mode. Thus a rescue mode boot has not been possible. So i made a trip and replaced the USB

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Simon Matter
> On 27/08/21 10:51 pm, Rob Kampen wrote: >> Unfortunately the server is remote and the CentOS7 USB device I left >> plugged into the machine refuses to boot from UEFI mode. Thus a rescue >> mode boot has not been possible. >> > So i made a trip and replaced the USB stick with another one -

Re: [CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-28 Thread Rob Kampen
On 27/08/21 10:51 pm, Rob Kampen wrote: Unfortunately the server is remote and the CentOS7 USB device I left plugged into the machine refuses to boot from UEFI mode. Thus a rescue mode boot has not been possible. So i made a trip and replaced the USB stick with another one - CentOS7 I am

[CentOS] Upgrading (?) from legacy boot to UEFI

2021-08-27 Thread Rob Kampen
After three days of effort I have failed to find a way of shifting a server from legacy boot to UEFI boot. I have made my way through the 400+ pages of RH installation manual for EL7, plus their similarly large system administrators manual. Dozens of pages searched via google and yet none of