David Vrabel wrote on Tue, 27 May 2014 13:04:21 +0100:
still do a text-console (in theory).
Is this an interesting use case?
It comes in handy for instance if there's something wrong with networking
in the guest ;-) Also, I've used it in cases where the load was very high
or when the
[r...@dom0 ~]# xenstored
[r...@dom0 ~]# FATAL: Failed to initialize dom0 state: Invalid argument
Should be already running, did you check with ps? I get this error as
well, when I try to run it while running.
Kai
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Ben M. wrote on Mon, 30 Nov 2009 11:26:17 -0500:
I have been scratching my head
With or without scratching, please do not hit reply when you want to send
a *new* message to the list! Use new message!
Thanks,
Kai
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Ben M. wrote on Mon, 30 Nov 2009 14:18:29 -0500:
Oddly I am getting Saves,
Is it possible that you once used xm start for this domain? Your xm list
at the end suggests you didn't, but, well ...
AFAIK you get saves only if you added the vm to xen storage with xm start.
If you didn't then it
Neil Aggarwal wrote on Thu, 12 Nov 2009 18:34:24 -0600:
Is there a command in virsh to shutdown all domains?
I can do one at a time, but that is untenable for a large
number of domains.
Not sure, but might xend or xendomains stop do this?
Kai
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James B. Byrne wrote on Tue, 10 Nov 2009 09:06:40 -0500 (EST):
It seems that I get some variant of 192.168.122.x where I need an
you are getting this from dnsmasq. libvirt sets the dnsmasq service to on
because it relies on it for DHCP.
actual routable address in the 216.185.71.0/24 space.
James B. Byrne wrote on Mon, 9 Nov 2009 16:23:55 -0500 (EST):
Lastly, why is qemu 4.5M but kvm-qemu-img is only 125K?
I would assume it's just the module that works on image files. AFAIK, you
don't need qemu if you have KVM. The same way you don't need KVM if you
use Xen ...
Kai
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Kai
You may want to rephrase in a way that people are more willing to reply.
Kai
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Julian Price wrote on Thu, 26 Mar 2009 16:48:36 +:
Are you syncing the disk image as one file via the host, or all the
files within via the guest?
The sync happens as if I had two physical machines. Phys backup logs in
to Virt tobebackupped on Phys wherever and syncs Virt tobebackupped
Aaron Linnen wrote on Thu, 05 Mar 2009 14:14:41 -0600:
http://www.gitco.de/repo
Has anyone else here given them a try?
They work fine for me. Those are the ones I use if I need anything = 3.3
Kai
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James Roman wrote on Sun, 08 Feb 2009 22:13:50 -0500:
I'm getting nothing in the windows event log at all. Just a gap from the
time it dies until the time the DomU is destroyed and restarted.
Then it's likely *not* a bluescreen, but rather something in Xen. Unless
the Windows system is
Henrik Holmboe wrote on Wed, 4 Feb 2009 16:58:50 +0100:
for svc in nfslock portmap rpcidmapd cups yum-updatesd; \
Or you just don't install this stuff beforehand ;-)
Kai
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Dennis J. wrote on Wed, 04 Feb 2009 10:03:36 +0100:
I'm wondering about the impact of using both dom0 and domU's on a server at
the same time. I'm worried about the performance impact of running a Mysql
server in a domU and now I'm thinking about moving the Mysql part of a LAMP
setup into
Ben Montanelli wrote on Wed, 04 Feb 2009 11:50:04 -0500:
I guess many of us want the optimized grail dom0.
There is none. It depends on your needs.
Kai
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Kai Schätzl, Berlin, Germany
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Grant McWilliams wrote on Thu, 22 Jan 2009 16:19:55 -0800:
Yes, I figured it was spam.
I figure it was some really badly misconfigured ticketing system (like
feeding its mail alias with the list or so). I blocked that domain.
Kai
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Kai Schätzl, Berlin, Germany
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Anyone else getting these tickets from sysad...@zweirad-stadler.de
quoting old messages to this list directly to his mailbox?
Kai
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Jim Trainor wrote on Thu, 15 Jan 2009 17:23:42 -0500:
I added the --nonsparse option to my virt-install command and
discovered that the disk was running out of space (doh!).
So, without it it apparently creates sparse files then ;-)
Nevertheless, I find the nature of the problem somewhat
Jim Trainor wrote on Wed, 14 Jan 2009 22:22:38 -0500:
virt-install --paravirt -name vm-1 --ram 512 --file /vm/1/vm-1.img
--file-size -4 --nographcs --location:nfs:192.168.1.101:/mnt/iso
did you type this or did you copy this from the shell?
There are several errors/typos in it.
virt-install
Francisco Pérez wrote on Thu, 15 Jan 2009 15:48:53 -0300:
I have a xen full virtualized guest running with 32 bit WIN 2003 Enterprise
edition with 8 GB RAM assigned to it, but when the Virtual Machine starts
only recognize 3,75 GB.
And dom0 is 64bit?
Kai
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Kai Schätzl, Berlin, Germany
Get
Tru Huynh wrote on Tue, 18 Nov 2008 09:41:10 +0100:
what don't you use http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU
This tutorial is much more complicated than using virt-install. There is no
need for installation kernels and such. You just run virt-install and off
you go.
Kai
--
Jason, I'm surely not going to read the whole tutorial. Tell what exact
virt-install command you used and any preparation steps if you did any.
(e.g. what did you install to get xen on the system.)
Kai
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Jason Taylor wrote on Tue, 18 Nov 2008 03:47:09 -0700:
I proceeded to use virt-install (and later virt-install --nographics and
virt-install --vnc) and none of them will install the guest. It always fails
saying that there is no console and to reconnect.
Ok, sorry, I expected to get a
Jason Taylor wrote on Sat, 15 Nov 2008 17:00:46 -0700:
One thing to note is that the base Xen installs fine it seems
but when trying to create the virtual instance (domU) it says it cannot
connect to the console.
Then try without making it connect to the console. (I may have misunderstood
Michael Hall wrote on Sun, 16 Nov 2008 21:59:35 +0930:
On the downloads page at xen.org I can only see source tarballs for 3.3.
There are no 3.3 rpms provided by xen.org. The fiels for 3.2 are in the
archive:
http://www.xen.org/download/dl_32rhel5.html
Again: before you use it, skim this
Brett Serkez wrote on Sun, 16 Nov 2008 07:16:45 -0500:
I've been using the stock Xen (2.6.18) that comes with the latest
CentOS 5.2 in production without major issue. At one time I had to
restart xend occasionally to be able to properly reboot guest OSes
from virt-manager, but even that has
Michael Hall wrote on Sun, 16 Nov 2008 21:34:25 +0930:
When installing the xen.org RPMs, are existing VMs and config files etc dealt
with gracefully?
yes.
Kai
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David Hláèik wrote on Sat, 1 Nov 2008 11:59:00 +0100:
libvir: error : this function is not supported by the hypervisor:
Looks like your libvirt version doesn't match xen version.
I know that , when i am using xm style config, i am able to create
symlink in /etc/xen/auto ... but those are
Admin wrote on Wed, 10 Sep 2008 18:32:30 +0930:
I guess RH
will make sure Xen-KVM migration fairly seamless when the time comes.
One would really hope so. One would also hope that the para-virtualized
performance of KVM is then as good as it is with Xen now. I have to say
that I'm quite
White list wrote on Fri, 8 Aug 2008 15:31:44 -0700:
Error: HVM guest support is unavailable: is VT/AMD-V supported by your CPU
and enabled in your BIOS?
Well, you *can* read, do you?
Kai
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Tim Verhoeven wrote on Thu, 17 Jul 2008 10:15:49 +0200:
For restricting traffic at the dom0 level I use ebtables (it's like
iptables but on a bridge level). It allows you to to basic filtering
between the real interfaces (from the dom0) and virtual interfaces
(from the domU's). This off
John Thomas wrote on Sun, 13 Jul 2008 07:44:14 -0700:
but I think everything is the same, as if you
have physical machines.
It's not, see my remark about forwarding ;-) Maybe you need forwarding on
your physical machines, I do not ;-)
Kai
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Kai Schätzl, Berlin, Germany
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I took over a custom firewall script from my older Suse machines to my
Dom-Us and it works just fine. Doing the same for Dom-0 immediately killed
all traffic for the VMs. As there was no need before I had been dropping
everything on the FORWARD chain. After ACCEPTing all for FORWARD my VMs
are
Johnny Hughes wrote on Sun, 29 Jun 2008 10:07:04 -0500:
open-vm-tools
Just read up on them here:
http://open-vm-tools.wiki.sourceforge.net/
Question: do they already provide any value to non-VMWare vm's, like Xen?
They just mention that for the future.
Kai
--
Kai Schätzl, Berlin, Germany
Why did this go to virt? Just because you run Xen, not every problem
belongs here. Anyway, I would like to ask you not to cross-post. I hope
that request sounds reasonable.
Kai
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Kai Schätzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com
Has someone already upgraded a machine with the Xen 3.2 packages from
http://www.xen.org/download/dl_32rhel5.html to CentOS 5.2? Problems?
Kai
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Kai Schätzl, Berlin, Germany
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Christopher G. Stach II wrote on Thu, 22 May 2008 21:27:13 -0500:
There are a lot of benefits to using jailtime images which are obvious
to those who need them.
Which would be? (Remember, we are talking of CentOS 5 images only!)
Kai
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Kai Schätzl, Berlin, Germany
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David Hláèik wrote on Thu, 22 May 2008 13:34:17 +0200:
disk = [ 'tap:aio:/home/xen/webdev/webdev_root.img,sda1,w',
'tap:aio:/home/xen/webdev/webdev_swap.img,sda2,w' ]
I suggest using file: instead of tap:aio (I haven't tested this, but it's
been said here or elsewhere several times that it is
Allen Tsang wrote on Mon, 5 May 2008 13:23:26 -0400:
Last time I checked, this was a
CentOS mailing list.
My god, I suggested you actually *read* what's there. You obviously
didn't. Please spare me your half-educated guesswork in the future.
How is that an unrelated topic?
Just read!
Waldirio Manhães Pinheiro wrote on Sat, 3 May 2008 14:24:06 -0300:
There are any lists like Hardware Compatible List to Xen
Most NICs that are compatible with CentOS will also be compatible with
Xen. I doubt your problem really is the card by itself. I'd rather think
it's a driver or the way
Ken Bass wrote on Mon, 28 Apr 2008 20:55:13 -0400:
Hmm. I dont have a separate gateway in that net. 192.168.144.5 is the
gateway for everything. But each of my ip addresses are actual real DNS
entries so packets originating from them should come from them.
Ok, public routable addresses. I'm
Ken Bass wrote on Mon, 28 Apr 2008 15:08:22 -0400:
In anaconda, I select manual/static IP address. I enter 192.168.139.4
with subnet mask of 255.255.255.255, gateway/ns of 192.168.144.5
AFAIK, there is no route from 192.168.139.4 to 192.168.144.5. You need to
specify a gateway in that net!
Joseph L. Casale wrote on Fri, 25 Apr 2008 18:11:58 -0600:
As far as how it worked, its not as fast as there are no stable pv
drivers yet. Its slower, but it works.
Just my experience. I ran an old Suse as hvm in Xen and moved over to
VMWare Server on Win2k3 for it. Performance on
Anyone updated to this virt-manager while running Xen 3.2? Any problems?
Kai
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Michael Will wrote on Mon, 21 Apr 2008 11:28:56 -0700:
fyi: paravirtualized means the OS is new enough to have extensions to be
virtualization-aware and support it in order to
not have to emulate all of the hardware completely. The older OS would
probably run fully virtualized, i.e. in a
Joseph L. Casale wrote on Sat, 12 Apr 2008 21:50:47 -0600:
Are there any ramifications to doing this the way I did?
I'd say no. I did the same. Obviously, the libvirtd/dnsmasq combination is
there to provide something that VMWare provides with their VMNet stuff. If
you don't need it, then you
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Richard Chapman wrote on Wed, 02 Apr 2008 10:03:27 +0800:
In my startup scripts - dnsmasq is set to not
start on boot so I thought there was no problem - but I find that in
spite of the startup
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The solution was simple. I had actually already thought about it from the
beginning, but somehow lost track and forgot about trying it.
I swapped the IP numbers on eth0 and eth0:0 and it started
Richard Chapman wrote on Wed, 02 Apr 2008 20:41:33 +0800:
I notice that libvirtd is running - and is set to run on boot. Should
this be the case when running the non xen kernel?
No. It gets pulled in when you update to CentOS 5.1 and have xen packages
installed I assume. You do not need it
Ross S. W. Walker wrote on Mon, 31 Mar 2008 10:21:10 -0400:
Why not try tcpdump on the bridge interface and see if you can
see the DHCPOFFER/DHCPACK and what MACs it used.
I hoped to avoid doing something I do only every few years ;-) I'm quite
familiar with using Wireshark/Etheral on
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Kanwar Ranbir Sandhu wrote on Wed, 19 Mar 2008 21:29:58 -0400:
http://mirrors.kernel.org/fedora/releases/8/Fedora/i386/os/
but, fails when I use my internal mirror.
My internal mirror is just a rsync of
I created my first Xen VM that didn't use a static IP address. It grabs an
IP from the 198.168.122.0 subnet (from I don't know where). I would rather
want it to use my DHCP server. How can I achieve this?
Kai
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With the upgrade to 5.1 I get new behavior when I open the console from
vm manager. Before 5.1 it showed the console login message like on a
physical machine. However, with 5.1 I get a window that wants a password
and has a checkbox save the password in your keyring. What password? No
matter,
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