Re: [Xen-devel] organizing virtual machines

[Andrew Theurer <habanero@xxxxxxxxxx>]

Eric S. Johansson wrote:

> just want to make sure I'm understanding things correctly.
>
> Every virtual machine must have effectively two partitions.  The first 
> being a root partition containing all of the system executables and 
> configuration files as well as the usual /var, /tmp, etc.  The second 
> being storage for your application/user.
> I imagine one could make a single partition to hold both of these sets 
> of information but that's not the wisest choice.  my preference would 
> also be to put /var on the data partition. 
The best setup for me has been a shared, read only /usr, and a seperate 
"/" for each of my domains.  I use ferdora3 as my base for these 
filesystems.   The shared /usr is about 2 GB and the / is about 100 MB 
each.  When creating domains for testing, I use lvm to carve up a second 
disk, 2GB logical volume for /usr, and the rest of the disk is divided 
into logical volumes equalling the number of domains I need.  This has 
worked pretty well for me so far, and I have been able to create over 50 
domains on one system.  Now, I haven't exaclty done much with 50 domains 
yet, but they all do at least boot.
-Andrew Theurer


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