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Re: GPT and Type 8e (LVM) Partitions go toghether ??

From: Joel Granados
Subject: Re: GPT and Type 8e (LVM) Partitions go toghether ??
Date: Mon, 30 Mar 2009 13:52:12 +0200
User-agent: Mutt/1.5.18 (2008-05-17)

In your case I would create the partition, and then `lvm pvcreate
/dev/DEV` on the new created partition.  in that way you have a physical
volume and you can put lvm stuff on top of it.
I also think you can set the "lvm" flag in the partition metadata.  I'm
pretty sure that is what you are looking for.  In any case looking for
filesystem metadata in the partition table is not always a good thing to
do.  Fedora installer actually searches the partition for any filesystem

On Mon, Mar 30, 2009 at 09:33:07AM +0200, Axel Werner wrote:
> Hi anybody,
> im pretty much lost. i recently installed ubuntu on a new FSC server  
> using a hardware raid. the result is a 4TB logical drive (HW Raid, no  
> lvm yet).
> So while installing ubuntu i partitioned it using 20GB for RootFS (/)  
> and left the remaining untouched yet. After successfull installation i  
> wanted to create an additional Partition on the raid-drive of Type 8e  
> (lvm) so other partitioning apps can recognize there is something on and  
> is "in use". But here comes the problem..
> For some reason i dont realy know, and without asking me the ubuntu  
> installer put a GPT Partition-Table on the giant Drive. I found out  
> while i tried to create that Type 8e (lvm) partition with FDISK. Since  
> Fdisk warned me, and told me i should use parted i now read lots of docs  
> and manuals about it. but im still lost and even more confused.
> I was not able to find out HOW TO MAKE an additional Type 8e Partition  
> with parted. in fact, all the parted manuals i found do not talk about  
> "partition types" anymore, but talking of "filesystems" . well..i  
> learned once that partitions and filesystems does not depend on  
> eachother. since a partition is an entry in the partition-table and a  
> filesystem is a special structure used to organize files within a  
> specific "space" within partitions or even simple "files". now there  
> should not be partition-types anymore ?!?! WTF???
> Could someone pls explain me or point to some better docs explaining me  
> that ?? im so f... lost.
> simple partitioning tools "hey this space is in use by LVM" ???
> thanks for any help!
> regards
> Axel
> _______________________________________________
> bug-parted mailing list
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Joel Andres Granados
Brno, Czech Republic, Red Hat.

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