On Wed, Jun 03, 2009 at 01:46:27PM -0500, Boyd Stephen Smith Jr. wrote: > In <20090603174408.ga25...@m364d1.ece.northwestern.edu>, Zhengquan Zhang > wrote: > >Can I say the best practice for lvm is to create a single partition for > >the harddrive and single PV on it
[snip]
> You definitely want separate LVs for any partition (non-system) users can
> write to, to avoid running out of space on your / partition. I usually go
> overboard and have separate partitions for:
> /boot # If / is on LVM; not LV
I would suggest to never put / or /boot on a lvm partition and at most
to put it on a raid1 set. Why incase something goes wrong, raid1 i much
easier to dissect then lvm (and especially lvm on raid)
> /usr
> /usr/local # For OS migrations.
> /home
> /opt
> /srv
> /var
> /var/tmp # RAID 0 or other "fast"
> /var/cache # RAID 0 or other "fast"
> /tmp # Usually tmpfs; no LV
>
> >and leave enough unassigned PE for later enlargement of certain LV?
>
> It is much easier to expand a filesystem than to shrink it. This is true
> even if you aren't using LVM.
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