[Discuss] Multiple HDD setup in Linux

[John Blomfield]

Brian Burger wrote:
> Thanks for all the feedback, everyone. I'm going to do a pile of
> reading tonight, and tackle the actual installation tomorrow or
> Thursday.
>
> It looks like it's possible to mix-and-match - some non-LVM regular
> partitions and LVM partitions on the same HDDs. Assuming that's true,
> here's the plan:
>
> 1. Unplug the 120GB completely.
> 2. Plug the 500GB in, do a clean install with the Ubuntu 8.04
> Alternate install CD to set it up as follows:
> - /boot - 500MB, likely less
> - / - 30GB, not LVM'd
> - /swap - 2GB; there's 2GB of real RAM in this box, so 2 of swap is enough
> - /home - LVM'd across the remaining 475+GB of the new drive
>
> 3. After the new system & drive is up and running, mount the 120GB's
> old /home and transfer my files across with dd.
>   
Just to add my two cents worth!  I would use rsync -zav /oldhome  
/newhome --exclude=.* --exclude=.*/***

Substitute the actual paths to /oldhome and /newhome. The excludes 
ensure that the hidden configuration files are not overwritten.
You may also use the option to keep the original permissions, execution, 
owner and group -pEog. See man page.

John Blomfield
> 4. Reformat the entire 120GB; then use LVM to add that whole volume to
> the existing new /home.
>
> This keeps my old install & personal data intact on the old drive for
> as long as possible, gives me minimum likelyhood of a partitioner
> glitch eating everything, and (thanks to LVM) lets me use the old
> drive as seamlessly as possible.
>
> Sanity check, anyone? This makes sense in my own head and from my
> reading of the docs, won't be that difficult... I hope.
>
> It'll also give me a totally new install of Ubuntu 8.04 - I've been
> upgrading for several years now, since 5.10, so a LOT of my defaults
> aren't the newest & shiniest Ubuntu goodness...
>
> Brian
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