On Fri, Aug 30 2013, Alan McKinnon wrote: > On 30/08/2013 17:18, [email protected] wrote: >> On Fri, Aug 30 2013, J. Roeleveld wrote: >> >>> [email protected] 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

