[clug] a few LVM questions

[David Tulloh]

Andrew wrote:
> Hi All,
>
> I'm running a few virtual machines on a LVM volume (and I have some 
> space on the base partition for snapshots).
>
> I have been allocating 3GB  for a snapshot (and then rsync the vm's to 
> another server).  I was wondering if there is any way to work out how 
> much of this space is actually being used? (I googled and found a few 
> other people with the same question.... but frustratingly all the 
> howtos I found didn't answer this question) Likewise I am curious to 
> know what happens if it fills up (what errors should I check for, and 
> where)?
I'm not sure about snapshots but I use du (mnemonic: disk usage) to 
check the size of my VM images.

It's normal use is to determine the size of directories.


David