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How do I transfer an MBR system to a EUFI system?

asked 2017-12-17 22:00:55 -0500

toddandmargo gravatar image

updated 2017-12-17 22:09:41 -0500

Dear Fedora Forums,

Fedora Core 27 x 64

I currently have a beautifully cherried out for my business. The computer (Supermicro X8SAE) it resides on is elderly and does not support EUFI or booting from GPT partitions. So, I have it scheduled to upgrade to a newer system that supports both, including an NVMe drive.

Problem: the Supermicro X11SAE-M motherboard targeted will only boot to an NVMe drive if the bios is set up as EUFI only (not mixed mode).

The old system has a combined "/" and "/home" partition:

Device     Boot    Start        End    Sectors  Size Id Type
/dev/sda1  *        2048    2099199    2097152    1G 83 Linux
/dev/sda2        2099200   14522367   12423168  5.9G 83 Linux
/dev/sda3       14522368 1901963263 1887440896  900G 83 Linux

sda1 is boot; sda2 is swap; sda3 is combo "/" and "/home"

Question: how do I get my old system copied over to the new computer? (I really don't have the time to reinstall everything.)

Maybe do a "dnf upgrade" on the old system, do a EUFI install on the new system, run "dnf upgrade" on the new system, then erasing and replacing the combo "/" and "/home" partition on the new system with a Live USB?

Any words of wisdom?

Many thanks, -T

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answered 2017-12-18 00:28:58 -0500

Rabin gravatar image

I'll go with clean install and use LVM for the disk partitioning

You can create a list of installed packages with

rpm -qa --qf '%{name}\n' > rpm.list

then after installing the new machine, copy the rpm.list file to it and run

cat rpm.list | xargs dnf install -y

to install all the missing packages from the old machine.

next you will need to have a copy of /etc and just copy what ever you need from there.

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Thank you! Lot of wonderful tips!

Don't care for LVM. I will stick with standard GPT partitions.

toddandmargo gravatar imagetoddandmargo ( 2017-12-18 03:14:15 -0500 )edit

Why not use LVM?, not alot of complextity, and you get the benefit of snapshots.

Rabin gravatar imageRabin ( 2017-12-19 01:34:27 -0500 )edit

I like hard, real partitions, not "virtual" ones. I just have never taken to LVM.

toddandmargo gravatar imagetoddandmargo ( 2017-12-19 02:24:15 -0500 )edit

If you need to manage a lot of storage, LVM will make it much easier, you can also check ZFS with ZoL which give you more then LVM and redundancy as well.

Rabin gravatar imageRabin ( 2017-12-19 05:19:41 -0500 )edit

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Asked: 2017-12-17 22:00:55 -0500

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Last updated: Dec 18 '17