On Thu, Jun 04, 2009 at 08:23:05AM +1000, Alex Samad wrote:
On Wed, Jun 03, 2009 at 01:46:27PM -0500, Boyd Stephen Smith Jr. wrote:
In <[🔎] 20090603174408.GA25275@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)
Does that mean, lvm on raid is easier to dissect than lvm alone?
This is my setup, /boot on raid1 and not on lvm, /root and /home are lvm
on raid1.
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg-root 4.6G 1.9G 2.5G 44% /
tmpfs 1008M 0 1008M 0% /lib/init/rw
udev 10M 104K 9.9M 2% /dev
tmpfs 1008M 0 1008M 0% /dev/shm
/dev/md0 92M 24M 63M 28% /boot
/dev/mapper/vg-home 910G 372G 492G 44% /home
/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.
--
"I want to thank you for taking time out of your day to come and witness my hanging."
- George W. Bush
01/04/2002
Austin, TX
at the dedication of his portrait
--
Zhengquan
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