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LVM Setup on SMS

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gerasimos_h
Site Admin

Joined: 09 Aug 2007
Posts: 1757
Location: Greece

Posted: Sat Oct 16, 2010 8:31 pm Post subject: LVM Setup on SMS

All the info about this how to is documented already by slackware team at
http://sms.it-ccs.com/isos/SMS-Current/README_LVM.TXT
but let's make it as simpler as we can, since some users were having problems with lvm setup.

Once you boot with SMS.Native.CD-Install-1.x.x.iso before you run setup
you need to partition your disk.
On this example I used

Code:

/dev/sda1   *           1          12       96358+  83  Linux

/dev/sda2              13        1957    15623212+  83  Linux

/dev/sda3            1958        2088     1052257+  82  Linux swap

where sda2 used for lvm setup.

1. Create physical volume

Code:

pvcreate /dev/sda2

2. Create Volume Group with name sms

Code:

vgcreate sms /dev/sda2

3. Create Logical Volume for root partition

Code:

lvcreate -L 8G -n root sms

4. Create Logical Volume for home partition with remaining space

Code:

lvcreate -l 100%FREE -n home sms

5. Scan disks for Logical Volume Groups

Code:

vgscan --mknodes

6. Activate Logical Volume Groups

Code:

vgchange -ay

Start setup and choose your swap partition as usual, and choose as root partition /dev/sms/root, for home /dev/sms/home and finally choose as boot partition /dev/sda1.
Ignore partition /dev/sda2 and continue with setup.
When it's time to choose a kernel choose a generic one, since huge kernels complains with initrd images, although they may work just fine.

When setup finish don't reboot your server, as lilo is not installed

You need to chroot to your newly system

Code:

chroot /mnt

And edit /etc/lilo.conf to something like

Code:

LBA32

boot = /dev/sda

prompt

timeout = 30

compact

change-rules

reset

vga = 791

image = /boot/vmlinuz

  root = /dev/sms/root

  label = SMS

 initrd = /boot/initrd.gz

  read-only

The most important is to create the initrd image with

Code:

mkinitrd -c -k 2.6.35.7-smp -m ext4 -f ext4 -r /dev/sms/root -L

Where
-k your kernel
-m your modules (-m ext3,ext4,reiserfs)
-f root filesystem
-r root partition
-L add support for LVM in initrd.

SMS generic kernels have built in support for ext2 ext3 ext4 and jfs.

run lilo and ignore the warnings.
exit and reboot your server.

- Video Tutorial -
______________________

You can download the video in .mkv format.
lvmsetup.mkv 4.5MB

- Virtual Appliance -

You can download SMS-1.5.4pre virtual appliance with whole disk as a Volume Group and 6 logical volumes to play with at
http://sms.it-ccs.com/isos/index.php?dir=Testing%2FVirtualbox%2FSMS-1.5.4pre+Virtualbox+3.2.10%2F

Code:

/dev/sms/swap    swap             swap        defaults         0   0

/dev/sms/root    /                ext4        defaults         1   1

/dev/sms/boot    /boot            ext2        defaults         1   2

/dev/sms/home    /home            jfs         defaults         1   2

/dev/sms/var     /var             ext4        defaults         1   2

/dev/sms/usr     /usr             ext4        defaults         1   2

gerasimos_h
_________________
Superb! Mini Server Project Manager
http://sms.it-ccs.com

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