Re: [gentoo-user] where did lvm installation guide go?

[gottlieb@nyu.edu]

On Fri, Aug 30 2013, Alan McKinnon wrote:

> On 30/08/2013 17:18, gottlieb@nyu.edu wrote:
>> On Fri, Aug 30 2013, J. Roeleveld wrote:
>> 
>>> gottlieb@nyu.edu wrote:
>>>> I want to reinstall an old system to have combined root+usr.
>>>>
>>>> I have always used an lvm installation guide that was a "companion" to
>>>> the handbook.  That is it would tell you how to augment each handbook
>>>> installation chapter for lvm (actually lvm2).
>>>>
>>>> I can't find this documentation now on gentoo.org.  There is a big wiki
>>>> page, but that is different as are daniel's 2-volume "learning linux
>>>> lvm".
>>>>
>>>> thanks,
>>>> allan
>>>
>>> Allan,
>>>
>>> Use the raid+LVM guide and skip all the raid steps.
>>>
>>> --
>>> Joost
>> 
>> Yes, that is what I will be doing; but it is not the same as the "companion"
>> and hence less familiar to me.  Also the wiki certainly does help.
>> I haven't studied the raid+LVM closely yet but a quick look didn't
>> reveal how to interrupt the installation, shut off the machine, and
>> continue later.
>
> the only difference is activating your LVs just before you need to mount
> them (before doing the chroot):
>
> vgchange -a y
>
> everything else stays the same. Instead of mounting /dev/sdxy at
> /mnt/gentoo/..., you will mount /dev/mapper/${LV}

Thank you alan and joost.
I actually remembered -a y or -a -y and a search of the lvm commands
yielded vgchange.  But your replies definitely increased my confidence

allan