<p><strong>xvm.mit.edu</strong> is a virtualization service for the
MIT community. We offer <strong>virtual machines</strong>—your
-own complete system on which you can start from our <strong>two-minute
+own complete system on which you can start from our <strong>three-minute
Debian or Ubuntu install</strong> or install the <strong>operating
system of your choice</strong>. The service is <strong>free</strong>
to any Athena account holder.</p>
<li>Ownership and access control through Athena lockers and groups</li>
</ul>
+<h2>XVM does not feature:</h2>
+<ul>
+<li>backups of VM disk images; images are on a RAID, but you should
+ arrange your own backups for data that is important to you.</li>
+<li>guarantees of uptime or security; we are a best-effort volunteer
+ service, though we follow security and reliability best practices
+ shared by production SIPB services.</li>
+</ul>
+
<p>The XVM code base is a <strong>free software</strong> project under
development, licensed under GPLv2+. If you're interested in using it,
we'd be happy to help you set it up in your environment. Our Subversion