Re: GRUB2 & LVM

[Andrei Borzenkov]

В Thu, 28 May 2015 17:14:40 +0300
Alexander Rumyantsev <address@hidden> пишет:

> Hello everybody!
> 
> Two days surfing the net to find out is there any way to install GRUB 
> directly on physical volume (PV) without any luck.

Currently it is not supported. A while back patch was suggested but
rejected by primary maintainer. You could try to search grub-devel
archives for a patch.

> 
> PV does not use first sector and can preserve some space for bootloader.

Yes, patch made use of reserved space if available.

> Grub2 supports /boot on LVM.
> Here i stuck.
> 

Setup partition as PV and install grub in MBR. Having partitioned disk
is preferable for multiple reasons.

> Can anybody point me to manual or maybe email or forum discussion on this 
> topic?
> Or tell me keywords to google for?
> Even if this operation require editing a disk in hex editor - that's ok for 
> me as I will do it once for a template.
> It's very useful for running virtualized environments with regular online 
> disks resizing.
>  
> I know I can use GPT (tons of manuals over the net), but i see no reason to 
> use one more abstraction layer, as LVM2 is volume manager already.
> 
> Thanks in advance.
> 
> Regards,
> Alexander Rumyantsev.
> 
> 
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