Moving from one motherboard to another

[jfulcher]

I currently have the latest Amahi installed and my boot drive is a RAID-1 volume from my JMicron chipset on my existing motherboard.

I want to move to a new motherboard, but know that the raid setup could be different, or I may decide not to do raid 1 at all. I should feasibly be able to take 1 of my drives out of the raid 1 and boot it in the new system, but I know Linux is going to raise hell about that.

Here is my existing fstab with the boot drive:

/dev/mapper/vg_hda-lv_root / ext4 defaults 1 1
UUID=b862ab2a-4af5-4f19-aada-825d62aa20cc /boot ext4 defaults 1 2
/dev/mapper/vg_hda-lv_swap swap swap defaults 0 0

I'm assuming all those /dev/mapper/vg_hda-lv are going to need to change. How will i know what those are going to be in order to update them?

Any tips on how to make this transition a little smoother?

Thanks!

[sgtfoo]

I wasn't sure so I referenced
http://www.centos.org/docs/5/html/Clust ... lumes.html
and it seems LVM has its metadata that identifies itself copied across all the physical volumes involved.
If that's the case, much like with most hardware changes, Fedora shouldn't complain too much about a motherboard swap, as long as you setup your RAID changes before expecting Fedora to crunch through them. If you drop down to non-RAID and just have normal drives and your LVM groups, I imagine it being as simple as swapping the mobo and trying to have all the drives plug into the same ports they were initially plugged, per sequence, and boot in the same sequence.

I've done a motherboard swap before and it was mostly seamless.

[jfulcher]

Thanks - you were right the boot disk part of it was seamless.

However the fact that a new MB has a different NIC/Mac address was a b!tch to figure out. Took me an hour or two to figure out how to make it see the new NIC as ETH0. Thank god for google.

However the new stupid intel raid chipset won't see my old JMicron raid-1 so it sees it as two individual drives - I'd re-mirror, but it of course wants to wipe the partitions to do that. So I guess I won't be doing raid-1 for my boot drive any more!