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Re: [linux-lvm] lvm on a brand-new server

On 21 Feb 2001 12:34:19 -0600, Timothy Wilson wrote:
> Hi everyone,
> I'm just starting out learning about lvm and I have a couple questions.
> First, a description of the machine:
> Compaq DL380 933 MHz PIII (rack-mount) w/ 640 MB RAM and (2) 18 GB SCSI
> disks. The machine has Compaq's built-in hardware RAID controller. My plan
> is to mirror the two disks using RAID.
> I'd like to use LVM (and likely ReiserFS) on this box, but I'm not sure how
> to get it installed on a bare system. I'll likely be using Debian on this
> system.
> Can anyone suggest a basic outline of the process? I'm certain there's a lot
> more reading to do, but I'm not sure where to start. (I have looked over the
> LVM How-to and the FAQ.)

This is what I did.

* Compile a 2.4.x-kernel with lvm and reiserfs (make-kpkg is your
* Create tar-balls or debian-packages of the lvm-tools and
reiserfs-tools (at least mkreiserfs) 
* Start the debian-install
* Create a 100-200 MB partition that's ext2
* Create a Swap-partition
* Keep installing untill you get to the point where you should start to
choose packages.
* Go to another terminal and install the kernel-package and the lvm- and
* Reboot.
* Run fdisk, pvcreate and vgcreate
* Create lv's for /usr, /var, /tmp and whatever else you want.
* For each of them mount them under /mnt and do a cp -a from each of
/usr, /tmp and so on
* mv usr usr.old; mount /dev/disk_vg/usr_lv /usr.  Or whatever you named
your vg and lv.
  do the same for /var, /tmp and so on
* Make sure /tmp has the right permissions :)
* edit /etc/fstab
* run cd /; umount -a and check that everything is unmounted, then run
mount -a to make sure   you edited /etc/fstab correct

Now you have  a system with a 100-200 MB / that's ext2 and a /usr, /var
/tmp and so on that's on lvm.  Make sure lvm is initialized correctly on

If you like to go reiserfs all the way simply create a lv for the swap,
reformat the swap-partition to reiserfs and copy everything in the /
partition to it.  Edit your /etc/lilo and /etc/fstab to use the correct
partition.  Make sure you have the latest and greatest lilo.  Run lilo
and reboot.

Now you can reuse the old ext2 / partition as a swappartition or
whatever you want.

Doing it like this means that you are not running / on lvm but I don't
see that as a problem since it's a real small filesystem anyway.

I think I saw somewhere someone made a reiserfs-enable
debian-installdisk but I haven't tried it myself.

Online resize works great with reiserfs which is REALLY nice. 


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