[linux-lvm] lvm2 conf on boot disk

Alfredo De Luca alfredo.deluca at gmail.com
Fri Jul 11 12:54:46 UTC 2014


Hi Jack.
Thanks for that. I did pretty much what you said but not sure how to
re-create the initrd then install the grub.
Do you have a specific procedure?
I followed the procedure in attachment but it's slightly different
from what I am looking for.


On Thu, Jul 10, 2014 at 2:46 AM, Jack Waterworth <jack at redhat.com> wrote:
> There is no way to do an in-place convert from a partitioned device to LVM
> without losing data. I would recommend adding a new disk, reinstall the OS
> on the new disk with LVM, and then moving over any data that was required
> after installation.
>
> You may be able to do this in rescue mode within a chrooted environment, but
> things could get messy. Add the new device, build the lvm stack, copy over
> the data then chroot into the NEW lvm root. Mount everything appropriately,
> recreate the initrd and re-install grub onto the new disk.  Go in with the
> expectation that you may be fixing things after the reboot from rescue mode.
>
>   Jack Waterworth, RHCE
>   Senior Technical Support Engineer
>   Red Hat Global Support Services
>   919.610.2024 -- jack at redhat.com
>
> On 07/08/2014 05:56 AM, Alfredo De Luca wrote:
>>
>> Hi all.
>> I have red hat 5.7 with no lvm2 installed. Now I want to configure
>> lvm2 on the root and swap partition then later on adding a couple of
>> LUNs to create a VG
>> What's the best practice/procedure to install lvm2 on the boot disk?
>> Is it possible? I guess I have to run Linux CD in rescue mode
>>
>> Regards
>>
>>
>
> _______________________________________________
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> linux-lvm at redhat.com
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/



-- 
Alfredo
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