Re: lvm on a single big partition or just a single big partition?
On Fri, Jun 05, 2009 at 09:53:18AM -0400, Douglas A. Tutty wrote:
> On Thu, Jun 04, 2009 at 07:23:19PM -0500, Zhengquan Zhang wrote:
> > On Thu, Jun 04, 2009 at 09:39:42AM -0400, Douglas A. Tutty wrote:
> > > On Wed, Jun 03, 2009 at 10:04:36PM -0500, Zhengquan Zhang wrote:
> > > > On Wed, Jun 03, 2009 at 06:48:03PM -0400, Douglas A. Tutty wrote:
> > > > > On Wed, Jun 03, 2009 at 11:44:00AM -0500, Zhengquan Zhang wrote:
>
> > > I put /tmp on tmpfs, with encrypted swap (so that /tmp ends up encrypted
> > > also). Yes, /usr (4G) , /var (4-6G, depending ), and /home (encrypted)
> > > are on separate LVs. Sizes depend on what I'm doing. /usr mostly holds
> > > instaled packages so 4G is fine for my desktop system.
> > >
> > > I also have /var/tmp and /var/local as separate LVs, encrypted. I keep
> > > my backups in /var/local. KDE keeps lots of otherwise private stuff in
> > > /var/tmp.
> >
> > Great setup, Thanks, Doug, so do you how much space(PE) do you leave
> > unassigned for later use?
>
> Since I only have two 36 GB drives, I don't leave any space unassigned.
> My current box is an HP NetServer LPr, which has two hot-swap bays. The
> scsi drives are connected to an HP NetRaid card which is set up to
> present two logical drives to the OS: one is raid1 (for the system), and
> the other is raid0 (for /home and anything else that is routinely
> backed-up and wouldn't cause a system crash if it died). If I need more
> space, I'll get an external scsi enclosure and move the hot-swap drives
> to it (the NetRaid card only has one channel) and add more drives.
>
> Right now on this box I'm not acutally using LVM since I can do most of
> what it can do with the NetRaid card. I used LVM on my SATA-equipped
> Athlon box that didn't have a raid card.
>
> FYI, here's my df:
>
>
> Filesystem Size Used Avail Use% Mounted on
> /dev/sda1 477M 166M 311M 35% /
> tmpfs 506M 16K 506M 1% /lib/init/rw
> udev 10M 124K 9.9M 2% /dev
> tmpfs 506M 0 506M 0% /dev/shm
> /dev/mapper/sdb2_crypt
> 26G 2.7G 24G 11% /home
> /dev/sda3 2.4G 1.5G 863M 64% /usr
> /dev/sda5 1.4G 874M 548M 62% /var
> /dev/mapper/sda6_crypt
> 16G 4.4G 12G 28% /var/local
> /dev/mapper/sdb1_crypt
> 952M 16M 937M 2% /var/tmp
> tmpfs 500M 68K 500M 1% /tmp
Thanks Doug, for showing your setup to me. it is pretty enlighening.
--
Zhengquan
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