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[Xen-users] Basic Xen Questions
I did the favor of making a new thread for this...
Firstly. If you have not yet,
http://www.fedoraproject.org/wiki/FedoraXenQuickstart
I can tell you that even since FC4 was released, Xen has changed a
lot. Since the FC4 packages are reflecting the 3.0 development, using
the Xen 2.0 user guide is not 100% accurate, I have tried. Also, it
seems that the latest FC release 1447 of Xen is noticably different
than the 1398 release, as some of the xm commands are different.
Personally I would expect future releases to do the same so I suggest
test any upgrades on a staging server.
About Network: As long as you have nics=1 in your conf file
for your domU, the network device should be available in your guest OS
as eth0. In Redhat-esque style, you would edit your network config in
/etc/sysconfig/. I just copied /etc/sysconfig/network* from another
machine, and did a
grep -rin "192.168.0.3" /etc/sysconfig/*
for the IP of the machine I took the config from, and updated to the
new IP for my domU.
As far as installing OS other than FC4 inside of domU, I have
installed CentOS. Here are the steps I have used. I imagine you can
use this for any distro that uses Yum.
- Create my image (I use LVM, but you can use loopback), mke2fs -j
to that image
- Temporarily move /etc/yum.repos.d/* files out of that directory
- Copy Centos-Base.repo into /etc/yum.repos.d/
- Edit Centos-Base.repo to replace all the of variables with the
values you want. Yum can't install for a different releasever and
basearch, so you set these by hand in the repo file. You could also
install from local filesystem like DVD by using file:// instead of http
in the repo file.
- Mount the image to /mnt/tmpdir
- yum --installroot=/mnt/tmpdir -y groupinstall Base
- Follow the rest of the steps in the Fedora Xen Howto for the rest.
I also have been running Gentoo 2005.0 which I moved over from
User-Mode-Linux.
Hope this helps.
Johnson, Michael wrote:
Hi,
Could you help me with a few Xen questions? It's basic stuff. I'm
looking at Xen for the first time. We have VMWare already up and
running and are happy with it but I was asked to look at Xen.
I installed FC4 from cd and chose to install everything, including Xen.
Following the Xen User's manual Xen v2.0 for x86 I have a dom0 setup and
created a second domain and called it rawhide.
Question,
How do I configure rawhide with an IP so I can either ssh or telnet to
it?
Have you installed other operating systems, i.e. RedHat EL3.0 to run in
a domain?
Thanks,
Mike
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Michael J.
Baysek
Sent: Wednesday, September 14, 2005 2:21 PM
To: Eric Brown
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] xm shutdown & xm destroy won't get rid of VM
I too have this problem:
# xm list
Name Id Mem(MB) CPU VCPU(s) State Time(s)
Domain-0 0 91 0 1 r---- 6753.9
lick 11 0 0 1 ----c 0.3
lick 11 0 0 1 ----c 0.3
lmon 4 255 0 1 -b--- 34997.5
lots 5 191 0 1 -b--- 5210.1
loud 6 511 0 1 ----- 6138.4
In my case this happened after I ran out of memory in the lick domU (no
swap was setup yet). The oom-killer hosed the domU. Even the console. So
I tried to destroy and start another. It was then that I did an xm list,
to my horror.
Eric Brown wrote:
I tried "xm shutdown" and then "xm destroy", my listing still shows:
$ xm list
Name Id Mem(MB) CPU State Time(s) Console Domain-0 0 156 0 r---- 766.2
asgtest0 9 0 3 -b--- 1.2 9609 debianarchive 15 255 1 -b--- 6.4 9615
What should i do to get rid of asgtest0?
Thanks!
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Michael J. Baysek
Systems Analyst
Carnegie Mellon University, Auton Lab
http://www.autonlab.org
mjbaysek@xxxxxxxxxx
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