February 2009 - Devel - libvirt List Archives

[libvirt] [Patch 0/1] enable --checkpoint option in 'virsh save'
by Matt McCowan 24 Feb '09

24 Feb '09

Along the lines of Xen's 'xm save' function with the '-c' checkpoint flag, following up is a patch to basically make-it-so, plus enable it for qemu. Patch merges with CVS, and passes tests as described in the HACKING file. The code implementing the '--live' option for 'virsh migrate' was copied/pasted/mod'ed to create the --checkpoint option for 'virsh save' Regards Matt McCowan

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[libvirt] networking static ip address
by Francisco José Martín 23 Feb '09

23 Feb '09

Hi, we are using the 0.6.0 version and an Ubuntu guest os under KVM virtualization. We have tried several ways to assign a static ip address to the guest os eth0 device on boot, but we didn't success. Is there any easy way to do it? We are trying to have a guest with the ip 192.168.0.1 in the eth0 device, enslaved to the br0 bridge on the host machine, which seems to be a pretty easy setup to test. When the guest OS is booted, the eth0 device exists, but is not up, and doesn't have the IP. Regards, Francisco.

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[libvirt] [PATCH 1/5] Fix a typo in hostdev docs
by Mark McLoughlin 23 Feb '09

23 Feb '09

It's: <address bus='0x06' slot='0x02' function='0x0'/> not: <address>bus='0x06' slot='0x02' function='0x0'</address> Signed-off-by: Mark McLoughlin <markmc(a)redhat.com> --- docs/formatdomain.html | 2 +- docs/formatdomain.html.in | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/formatdomain.html b/docs/formatdomain.html index 17384b3..17dc0cd 100644 --- a/docs/formatdomain.html +++ b/docs/formatdomain.html @@ -485,7 +485,7 @@ ... <hostdev mode='subsystem' type='pci'> <source> - <address>bus='0x06' slot='0x02' function='0x0'</address> + <address bus='0x06' slot='0x02' function='0x0'/> </source> </hostdev> ...</pre> diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index c1e6a16..ee32354 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -397,7 +397,7 @@ ... <hostdev mode='subsystem' type='pci'> <source> - <address>bus='0x06' slot='0x02' function='0x0'</address> + <address bus='0x06' slot='0x02' function='0x0'/> </source> </hostdev> ...</pre> -- 1.6.0.6

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[libvirt] networking with VMs on two nodes
by Andreas Rittershofer 23 Feb '09

23 Feb '09

I have two nodes and on each several virtual machines running under KVM/qemu. I've set up the default-network on each node and so I can: 1.) ping from host do guest 2.) ping from guest to host 3.) ping from guest tu guest But all this is only possibe on each node by itself. What I need now is network connection between a VM on node 1 to another VM on node 2. How to setup this? When both nodes are fine every node runs a few guests. But when one node goes down, all guests have to be run on the remaining node. mfg ar -- Hier könnte keine Signatur stehen.

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[libvirt] Re: [et-mgmt-tools] attach hot usb device
by Cole Robinson 23 Feb '09

23 Feb '09

cc-ing libvir-list (future libvirt questions should be directed there) jmandawg wrote: > Hi, > > > > Quick question, since I can’t get to the qemu monitor anymore, how do I > hot add a usb device (smartphone)? > > Is it possible to do through virsh? > Sure: - Use 'lsusb' to determine the bus and device. Example listing looks like: Bus 001 Device 006: ID 0781:5151 SanDisk Corp. Cruzer Micro 256/512MB Flash Drive - Put hostdev xml in a file: cat << __EOF__ > usb.xml <hostdev mode='subsystem' type='usb'> <source> <address bus='1' device='6'/> </source> </hostdev> __EOF__ - Run 'virsh attach-device {VMNAME} usb.xml' on a running VM. Hope that helps, Cole

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[libvirt] Networking with libvirt
by Andreas Rittershofer 22 Feb '09

22 Feb '09

I want to setup networking under KVM and with libvirt. I read a lot the last two days, but it is not working as desired. I don't want bridging, I want it with a tap-device created via vde_switch. I cannot figure out what to put in /etc/libvirt/qemu/machine.xml and /etc/ libvirt/qemu/networks/network.xml - there is no really good documentation. /var/log/libvirt/qemu/maschine.log shows a lot of parameters when I start the VM with virsh start machine, but I cannot figure out where to set these values or where to set the defaults. mfg ar -- Hier könnte keine Signatur stehen.

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[libvirt] update documentation
by jesse lauren farinacci 22 Feb '09

22 Feb '09

I hit a small snag when following the documentation, specifically the doc says to use <clock sync='localtime'/> when it should say <clock offset='localtime'/>.

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[libvirt] [PATCH] Fix bugzilla link in virsh man page
by Mark McLoughlin 22 Feb '09

22 Feb '09

Note, I haven't generated a new virsh.1 because Pod::Man 2.16 gives a bunch of warnings even with the existing version. Signed-off-by: Mark McLoughlin <markmc(a)redhat.com> --- docs/virsh.pod | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/virsh.pod b/docs/virsh.pod index 8b42ea0..58bba6b 100644 --- a/docs/virsh.pod +++ b/docs/virsh.pod @@ -540,9 +540,9 @@ L<virt-install(1)>, L<xm(1)>, L<virt-top(1)>, L<virt-mem(1)>, L<virt-df(1)>, L<h =head1 BUGS -Bugs can be view on the RedHat bugzilla page under the libvirt +Bugs can be filed in Red Hat bugzilla under the Virtualization Tools/libvirt L<https://bugzilla.redhat.com/> -L<https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&compon…> +L<https://bugzilla.redhat.com/buglist.cgi?product=Virtualization+Tools&compon…> =end -- 1.6.0.6

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[libvirt] restore as init script
by Matthias Pfafferodt 21 Feb '09

21 Feb '09

Hello, first i'm using kvm-84 and libvirt 0.6.0 on opensuse 11.1. I try to use the attached script to save some domains on shutdown and restore them on host boot. The script also tries to cleanly shutdown all other domains. The save and shutdown part is working as expected but on system boot the restore of the saved domains fails. If I manually run 'rclibvirtdomains start' after a boot it needs 1 to 3 tries to restore the domain. After that I can run a stop/start cycle of libvirtdomains without problems. How can I debug this problem? After the system boot libvirt seems to have problems to connect to qemu/kvm. The log messages are for a failed start: --- start log --- LC_ALL=C PATH=/bin:/sbin:/usr/bin:/usr/sbin HOME=/ /usr/bin/qemu-kvm -S -M pc -m 1024 -smp 1 -name kvm-virt03 -uuid 864c0b59-705e-5d78-dc3e-1a9de7dd305f -monitor pty -pidfile /var/run/libvirt/qemu//kvm-virt03.pid -boot c -drive file=/dev/virtual/kvm_virt03,if=ide,index=0,boot=on -net nic,macaddr=00:16:3e:00:01:05,vlan=0,model=e1000 -net tap,fd=15,script=,vlan=0,ifname=vnet0 -serial none -parallel none -usb -vnc 192.168.110.78:0 -k de -soundhw es1370 -incoming exec:cat char device redirected to /dev/pts/6 qemu_popen: returning result of qemu_fopen_ops cat: write error: Broken pipe --- end log --- and for a successful start: --- start log --- LC_ALL=C PATH=/bin:/sbin:/usr/bin:/usr/sbin HOME=/ /usr/bin/qemu-kvm -S -M pc -m 1024 -smp 1 -name kvm-virt03 -uuid 864c0b59-705e-5d78-dc3e-1a9de7dd305f -monitor pty -pidfile /var/run/libvirt/qemu//kvm-virt03.pid -boot c -drive file=/dev/virtual/kvm_virt03,if=ide,index=0,boot=on -net nic,macaddr=00:16:3e:00:01:05,vlan=0,model=e1000 -net tap,fd=15,script=,vlan=0,ifname=vnet0 -serial none -parallel none -usb -vnc 192.168.110.78:0 -k de -soundhw es1370 -incoming exec:cat char device redirected to /dev/pts/6 qemu_popen: returning result of qemu_fopen_ops info cpus * CPU #0: pc=0xffffffff80221f1d thread_id=7398 cont --- end log --- Kind regards Matthias Pfafferodt -- Matthias Pfafferodt - http://www.mapfa.de Matthias.Pfafferodt <at> mapfa.de ## Path: System/Virtualization ## Description: libvirtd stop configuration ## Type: yesno ## Default: yes # # On 'libvirtd stop' all running domains are killed. If # LIBVIRTDOMAINS_SHUTDOWN is set to 'yes' all running vm's are given time # for a gracefully shutdown. # LIBVIRTDOMAINS_SHUTDOWN="yes" ## Path: System/Virtualization ## Description: libvirtd timeout ## Type: integer ## Default: 300 # # On 'libvirtd stop' the vm's are ask to shutdown. This optine gives the # maximum number of seconds the script will wait until libvirt is stopped. # LIBVIRTDOMAINS_SHUTDOWN_MAXWAIT=300 ## Path: System/Virtualization ## Description: should domains be saved ## Type: yesno ## Default: yes # # If set to yes domains are saved on shutdown and restored on boot. # LIBVIRTDOMAINS_SAVE="yes" ## Path: System/Virtualization ## Description: domains which should be save and restored ## Type: string ## Default: # # The listed vms are saved on shutdown and restored at boot time # LIBVIRTDOMAINS_SAVE_VM="kvm-virt03" ## Path: System/Virtualization ## Description: save path for domains ## Type: string ## Default: /var/lib/libvirtdomains/save # # Path there the domains should be saved # LIBVIRTDOMAINS_SAVE_DIR="/var/lib/libvirtdomains/save"

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[libvirt] bridge-to-lan interfaces with network type
by Zhengang Li 21 Feb '09

21 Feb '09

Hi All, The documentation on the libvirt website explains the way to define a bridge to LAN network interfaces with a 'bridge' type. E.g.: <interface type='bridge'> <source bridge='br0'/> <mac address='52:54:00:00:00:11'/> </interface> I'm working in a limited environment. Only 'network' type interfaces can be defined for a guest. Is it possible to define a bridge-to-lan interfaces with a 'network' type? The question actually goes to: How to write a network definition xml for libvirt to use as bridge to LAN type NIC in guest? I tried with 'nat' and 'route' forward in network xml, neither works for me. Regards, Zhengang

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