Re: [linux-lvm] "anchoring" the logical volumes to physical volumes

[svetljo <galia st-peter stw uni-erlangen de>]

Florin Iucha wrote:

> Hello!
>
> I have two SCSI harddisks of 4.5 GB each and I want to install Linux on them
> on top of LVM.
>
> I want to put / /boot /var /home /usr/local on the first disk and /usr on the
> second one.At the same time I want to have all partitions (except /boot) on 
> LVM so I can extend/snapshot them.
>
> I can take the obvious route of creating a PV on each of the harddisks and 
> putting them in the same VG and then splitting the VG into LV. But I want
> to make sure /usr gets on the second disk and all /usr and / get allocated
> at the beginning of the PV.
>
> I can simulate this by creating the first LVs than a LV that will fill up the
> first PV then the LV for /usr... But this is ugly and I am not sure is
> guaranteed to work.
>
> Any "smart" solution to this problem? Any plans to implement such a feature
> in lvcreate?
i think it's already implemented, there should be an option which tells 
lvcreate which PV's
to use for the LV you are creating . see the man page to lvcreate or 
lvcreate --help

> Thank you,
> florin