user@debian:~/download/software$ sudo aptitude install lvm2
The following packages will be upgraded:
  lvm2
1 packages upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
Need to get 434kB of archives. After unpacking 193kB will be used.
Do you want to continue? [Y/n/?]
Get:1 http://ftp.us.debian.org sid/main lvm2 2.02.66-2 [434kB]
Fetched 434kB in 5s (83.2kB/s)
Reading package fields... Done
Reading package status... Done
Retrieving bug reports... Done
Parsing Found/Fixed information... Done
(Reading database ... 252647 files and directories currently installed.)
Preparing to replace lvm2 2.02.39-7 (using .../lvm2_2.02.66-2_i386.deb) ...
Unpacking replacement lvm2 ...
Processing triggers for man-db ...
Setting up lvm2 (2.02.66-2) ...
Installing new version of config file /etc/lvm/lvm.conf ...
Installing new version of config file /etc/init.d/lvm2 ...
Setting up LVM Volume Groups  Reading all physical volumes.  This may take a while...
  No volume groups found
  No volume groups found
  No volume groups found
.
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-2.6.32-5-686
W: Possible missing firmware /lib/firmware/rtl8168d-2.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl8168d-1.fw for module r8169

Current status: 6 updates [-1].
user@debian:~/download/software$ sudo su
debian:/home/user/download/software# lvscan
  No volume groups found
debian:/home/user/download/software# dpkg -i lvm2_2.02.39-7_i386.deb
dpkg: warning: downgrading lvm2 from 2.02.66-2 to 2.02.39-7.
(Reading database ... 252652 files and directories currently installed.)
Preparing to replace lvm2 2.02.66-2 (using lvm2_2.02.39-7_i386.deb) ...
Unpacking replacement lvm2 ...
Setting up lvm2 (2.02.39-7) ...
Installing new version of config file /etc/init.d/lvm2 ...
Installing new version of config file /etc/lvm/lvm.conf ...
Setting up LVM Volume Groups  Reading all physical volumes.  This may take a while...
  Found volume group "debian" using metadata type lvm2
  1 logical volume(s) in volume group "debian" now active
.
Processing triggers for man-db ...
debian:/home/user/download/software#