October 2014 - Users - libvirt List Archives

[libvirt-users] some problem with snapshot by libvirt
by xingxing gao 22 Nov '14

22 Nov '14

Hi,all,i am using libvirt to manage my vm,in these days i am testing the libvirt snapshot ,but meet some problem: the snapshot was created from this command: snapshot-create-as win7 --disk-only --diskspec vda,snapshot=external --diskspec hda,snapshot=no but when i tried to revert from the snapshot which created from the above command ,i got error below: virsh # snapshot-revert win7 1338041515 --force error: unsupported configuration: revert to external disk snapshot not supported yet version: virsh # version Compiled against library: libvir 0.9.4 Using library: libvir 0.9.4 Using API: QEMU 0.9.4 Running hypervisor: QEMU 1.0.93

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Re: [libvirt-users] virsh net-start default fails
by Michal Privoznik 20 Nov '14

20 Nov '14

On 22.10.2014 00:03, David Roundy wrote: > Hi Michal, > > I am attaching debug logs. > > David Well, I can see the error message there, but not the reason. Does the /etc/libvirt/qemu/networks/default.xml file exist? Michal

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[libvirt-users] Changing 'source file' on running VM.
by mathew.moon＠vipaar.com 19 Nov '14

19 Nov '14

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[libvirt-users] The USB passthrough that refuses to die
by Mauricio Tavares 04 Nov '14

04 Nov '14

In trying to find out why my usb passthrough is not working, I decided to edit (virsh edit) the config file for the vm client, removing the following lines <hostdev mode='subsystem' type='usb' managed='yes'> <source> <vendor id='0x051d'/> <product id='0x0002'/> </source> </hostdev> checking with "virsh dumpxml" that the lines went away, and then restarting [root@vmhost ~]# virsh start nagios error: Failed to start domain nagios error: internal error Did not find USB device 51d:2 bus:2 device:3 [root@vmhost ~]# As you can see, it is still acting like the usb device is defined. What am I missing here?

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[libvirt-users] KVM incremental backup using CBT
by Jd 03 Nov '14

03 Nov '14

Hi Looking in to implementing (CBT like) delta backup for KVM. The following looks promising..(last paragraph) http://wiki.qemu.org/Features/Snapshots2 * In the last para, there is a mention of copy the blocks from the disk using dirty-bitmap as reference. How to accomplish this ? block-mirror with bitmap or is there a qemu-img command ? some details would be appreciated. // backup software now reads foo.img using t0_dirty.dbmp to perform incremental backup, when finished * The backup after few runs in the backup store would be base image + bunch of delta blocks ? Will this be same as base disk and bunch of deltas ? or there is some special way to merge these ? * I am assuming this scheme (snapshot, bitmap, block merge etc.) should work with base disk in raw (non-qcow) format as well ? Right ? i.e. will it work when the storage disk is iscsi, lvm, fc ? std linux block device? * Are there libvirt-api/verbs for doing some of this or we will have to sue the qemu-monitor-command ? * What version of qemu/kvm will have the core capabilities and which min libvirt version would be sufficient ? Is there a better way to do incremental backup / CBT like backup than one mentioned here ? Thanks /Jd

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[libvirt-users] reboot problem with libxl
by Alvin Starr 01 Nov '14

01 Nov '14

If I reboot a single vm through libvirt/libxl the system reboots normally. If I have several vm's reboot at the same time then The systems go into a paused state and do not reboot. I then have to kill them via xl and restart them. -- Alvin Starr || voice: (905)513-7688 Netvel Inc. || Cell: (416)806-0133 alvin(a)netvel.net ||

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[libvirt-users] VNC display size
by Aaron Bruelisauer 01 Nov '14

01 Nov '14

Hi I would like to set the resolution of the video device of my domain. So if I connect with via vnc I see more. That is the part of the .xml file: "... <graphics type='vnc' port='-1' autoport='yes'/> <video> <model type='cirrus' vram='9216' heads='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> ..." How can I change it? Salutations Aaron

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[libvirt-users] problem with libvirt and ovs
by Anna Giannakou 31 Oct '14

31 Oct '14

Hello, I have defined an ovs network with libvirt (virsh net-define ovs.xml) and created a vm that will connect to that network with virt-install. Although the vm port appears normally if i do an ovs-vsctl show, when i try to set this port as a mirror port for all the traffic in the bridge, the command is executed normaly, but then i cannot see any traffic on the interface. Could you give me some hints for that? The ovs.xml: <network> <name>ovs-network</name> <forward mode='bridge'/> <bridge name='br-tun'/> <virtualport type='openvswitch'/> </network> the virt-install command: virt-install --connect qemu:///system --name snort3 --ram 2048 --disk path=/tmp/snort.qcow2,device=disk,format=qcow2 --graphics vnc --vcpus 2 --hvm --network network=ovs-network --import the ovs command for mirroring ovs-vsctl -- set interface vnet0 type=internal -- --id=@p get port vnet0 -- --id=@m create mirror name=m0 select-all=true output-port=@p -- set bridge br-tun mirrors=@m if i execute the same command with another interface then i see the traffic normally. Thank you Anna

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[libvirt-users] Revert to internal snapshot - XML error: Non-empty feature list specified without CPU model
by Kashyap Chamarthy 31 Oct '14

31 Oct '14

Versions: $ rpm -q libvirt-daemon-kvm qemu-system-x86 libvirt-daemon-kvm-1.2.9-3.fc21.x86_64 qemu-system-x86-2.1.2-4.fc21.x86_64 When I attempt to revert to an internal snapshot: $ virsh snapshot-list node1 Name Creation Time State ------------------------------------------------------------ snap1 2014-06-03 14:07:28 -0400 running $ virsh snapshot-revert node1 snap1 error: XML error: Non-empty feature list specified without CPU model Contextual guest XML: $ virsh dumpxml node1 | grep features -A3 <features> <acpi/> <apic/> <pae/> </features> <cpu mode='host-passthrough'> </cpu> <clock offset='utc'> I see it's thrown from here, src/conf/cpu_conf.c, from function: virCPUDefParseXML:371 [. . .] 367 if (n > 0) { 368 if (!def->model && def->mode != VIR_CPU_MODE_HOST_MODEL) { 369 virReportError(VIR_ERR_XML_ERROR, "%s", 370 _("Non-empty feature list specified without " 371 "CPU model")); 372 goto error; 373 } [. . .] I can manually revert this snapshot via `qemu-img`, but wondering if this error from libvirt expected in this case? -- /kashyap

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[libvirt-users] libvirt with VirtualBox - possible to specify path to snapshot folder in domain.xml?
by fdytr ytruy 31 Oct '14

31 Oct '14

Hi! I'm using libvirt withVirtual Box. I have installed libvirt 0.10.2 and Virtual Box 4.1.Is possible to spesify the pat to the folder I want my differencing image created in in my domain.xml file? When I define my vm (virsh domain.xml) with my domain.xml and use the readonly tag, Virual Box creates a differencing image (default in users Vitual Box VMs folder). I want to specify in my domain.xml file what folder this differencing image should be created in (not the default folder). Is this possible? LL

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[libvirt-users] Can't specify filename.xml when using virsh dumpxml
by Allen Qiu 30 Oct '14

30 Oct '14

Hi all, Do you have any idea about this error? virsh # dumpxml csg01win7test > domain.xml error: unexpected data '>' Regards, Allen 2014-10-28 Allen Qiu

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[libvirt-users] problem with libvirt and ovs bridge
by Anna Giannakou 29 Oct '14

29 Oct '14

Hello, I have created an ovs bridge on which i have attached a port. I would like to connect my vm to that port,so i have created an xml defining the network. The xml is: <network> <name>ovs-snort</name> <forward mode='bridge'/> <bridge name='snort'/> <virtualport type='openvswitch'/> </network> but when i do virsh net-define /tmp/ovsnetwork.xml i get the error error: XML error: unexpected virtualport type -1 My libvirt version is 1.2.9 Can you guide me through that?

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Re: [libvirt-users] problem with libvirt and ovs bridge
by Kashyap Chamarthy 29 Oct '14

29 Oct '14

[Please keep such technical discussions on list, so others can correct me or might have better ideas.] On Tue, Oct 28, 2014 at 06:08:02PM +0100, Anna Giannakou wrote: > Thank you for the quick reply. I tried to remove the <virtualport > type='openvswitch'/> line from the network xml and now the network is > created. However when i try to launch the vm with virt-install i get > again the error Unable to add bridge snort port vnet0: Operation not > supported which was what led me to upgrade my libvirt version > > Any other ideas? Sorry, I don't have an immediate test env to try this, maybe you can examine your debug logs to see if you find more meaningful clues log_level = 1 log_outputs="1:file:/var/tmp/libvirtd.log" in /etc/libvirt/libvirtd.conf Restart libvirtd. (And, don't forget to turn it off, once you finish your debugging - it'll fill your disk space pretty quickly, otherwise.) -- /kashyap > ----- Original Message ----- > > From: "Kashyap Chamarthy" <kchamart(a)redhat.com> > > To: "Anna Giannakou" <anna.giannakou(a)inria.fr> > > Cc: libvirt-users(a)redhat.com > > Sent: Tuesday, 28 October, 2014 5:46:46 PM > > Subject: Re: [libvirt-users] problem with libvirt and ovs bridge > > > > On Tue, Oct 28, 2014 at 05:32:58PM +0100, Anna Giannakou wrote: > > > Hello, > > > I have created an ovs bridge on which i have attached a port. I would like > > > to connect my vm to that port,so i have created an xml defining the > > > network. > > > The xml is: > > > <network> > > > <name>ovs-snort</name> > > > <forward mode='bridge'/> > > > <bridge name='snort'/> > > > <virtualport type='openvswitch'/> > > > </network> > > > but when i do virsh net-define /tmp/ovsnetwork.xml i get the error > > > error: XML error: unexpected virtualport type -1 > > > My libvirt version is 1.2.9 > > > Can you guide me through that? > > > > > > > Hmm, I haven't tested this lately, but here's some old notes on Libvirt > > and Open vSwitch: > > > > http://kashyapc.com/2013/07/13/configuring-libvirt-guests-with-an-open-vswi… > > > > And a related thread from libvirt users list: > > > > https://www.redhat.com/archives/libvirt-users/2013-April/msg00044.html > > > > > > -- > > /kashyap > >

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[libvirt-users] wrong time in guest logs
by Lentes, Bernd 29 Oct '14

29 Oct '14

Hi, i have several vm's running on KVM hosts. Recently i found out that the time in the log-files of the guests (/var/log/libvirt/qemu/xxx.log) is wrong. The time on the guest itself is right, just the time in the log-files is one hour back. Windows and linux vm's are affected. Also on another host the same. Changing the clock offset does not have any influence, still the wrong time in the log file. Any ideas ? Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen bernd.lentes(a)helmholtz-muenchen.de phone: +49 89 3187 1241 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/idg Die Freiheit wird nicht durch weniger Freiheit verteidigt Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH) Ingolstädter Landstr. 1 85764 Neuherberg www.helmholtz-muenchen.de Aufsichtsratsvorsitzende: MinDir´in Bärbel Brumme-Bothe Geschäftsführer: Prof. Dr. Günther Wess, Dr. Nikolaus Blum, Dr. Alfons Enhsen Registergericht: Amtsgericht München HRB 6466 USt-IdNr: DE 129521671

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[libvirt-users] Generate (vCPU pinning) from host NUMA configuration doesn't act accordingly
by Allen Qiu 28 Oct '14

28 Oct '14

Hi all, It seems no matter how many vCPU I allocated to the VM, the auto-generated vCPU pinning configuration won't cover more than 8 CPUs. Is that normal? Otherwise what should I do? Will vCPU pinning by virsh be more effective? Regards, Allen 2014-10-28 Allen Qiu

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[libvirt-users] Will over-allocation of vCPUs be counterproductive to VM Win7 Ultimate?
by Allen Qiu 28 Oct '14

28 Oct '14

Hi all, Will over-allocation of vCPUs be counterproductive to VM Win7 Ultimate? I allocated 32 (out of 64 physical cores in 8 NUMA cells, and 128G out of 2T physical RAM) to the VM. But the boot process was extremly slow, actually the desktop screen never showed up then the VM just reboot automatically. So is there anything I can do to solve this problem or the truth is Win7 by design just cannot handle that mount of CPUs even with Win7 Ultimate? Regards, Allen 2014-10-28 Allen Qiu

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[libvirt-users] an error caused by lxc-enter-namespace command
by WANG Cheng D 28 Oct '14

28 Oct '14

Dear all, On my last post "Why a "core dump" error occurs when a thread exits in container but it's correct when running in native linux" might be misleading. I did further test and the steps are described below. 1) First, the container is started (we have the first terminal window) 2) Use virsh lxc-enter-namespace command to open another terminal (we have the second terminal) 3) Execute "exit" in the first terminal to quit container 4) Then an error is reported by the second terminal "internal error; child process (XXX) unexpected fatal signal 9" and the terminal is frozen then. How I solved this problems? Best regards, Cheng

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[libvirt-users] Why a "core dump" error occurs when a thread exits in container but it's correct when running in native linux
by WANG Cheng D 28 Oct '14

28 Oct '14

Dear all, When I run my application in a container, sometimes the thread can exit correctly, sometime a "core dump" error occurs when it exits. But the application always exits correctly when it runs in a native fedora. Malloc() and free() functions are used in my application. I wonder if this is the reason for the core dump error. Is the thread exit event treated differently by the container and native OS? Or if I need to tune some options for memory in container's XML configuration file? Best wishes, Cheng

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[libvirt-users] What is the difference between running "virt-manager" and "sudo virt-manager"?
by Allen Qiu 28 Oct '14

28 Oct '14

Hi all, What is the difference between starting virt-manager by "virt-manager" and by "sudo virt-manager"? It seems that there are two copy of virt-manager running in the background. When I run "virt-manager", I got a error of "Unable to open a connection to the libvirt management daemon. Libvirt URI is: qemu:///system Verify that: - The 'libvirtd' daemon has been started". Whereas when I run "sudo virt-manager", I got a error of "Error starting Virtual Machine Manager: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information." How should I deal with the two issues respectively? Is there any drawback by simply running "virt-manager"? Regards, Allen 2014-10-27 Allen Qiu

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Re: [libvirt-users] (no subject)
by Eric Blake 28 Oct '14

28 Oct '14

On 12/31/1969 05:00 PM, wrote: > Hi all, [your 800k .bmp file prevented your message from getting through the mailing list filter, which caps mail around 100k for a reason. Please, just describe your problem in plain text, or if you MUST point people to a screenshot, have your email simply contain a URL to a dropbox containing the screenshot, rather than sending it directly to the list. Also, .bmp is a lousy format; .png sends just as much information in a much smaller file size] > It seems no matter how many vCPU I allocated to the VM, the auto-generated vCPU pinning configuration won't cover more than 8 CPUs. Is that normal? Otherwise what should I do? Will vCPU pinning by virsh be more effective? virt-manager tries to be a gui wrapper around the same API as you can access directly via virsh; but sometimes virt-manager lags behind. Try doing it directly with virsh, to see if what you are attempting is even supported by libvirt and is just waiting on virt-manager to catch up. > Regards, > Allen > > > 2014-10-28 > > > > Allen Qiu > -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org

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[libvirt-users] How could the admin do to grant me with permission to run virsh as unprivileged user?
by Allen Qiu 28 Oct '14

28 Oct '14

Thank you! How could the admin do to grant me with permission to run virsh as unprivileged user? Also by configurating libvirtd.conf, unix_sock_group? 2014-10-28 Allen Qiu 发件人：libvirt-users-request(a)redhat.com 发送时间：2014-10-28 00:00 主题：libvirt-users Digest, Vol 58, Issue 33 收件人："libvirt-users"<libvirt-users(a)redhat.com> 抄送： Send libvirt-users mailing list submissions to libvirt-users(a)redhat.com To subscribe or unsubscribe via the World Wide Web, visit https://www.redhat.com/mailman/listinfo/libvirt-users or, via email, send a message with subject or body 'help' to libvirt-users-request(a)redhat.com You can reach the person managing the list at libvirt-users-owner(a)redhat.com When replying, please edit your Subject line so it is more specific than "Re: Contents of libvirt-users digest..." Today's Topics: 1. Error starting Virtual Machine Manager: Failed to contact configuration server... (Allen Qiu) 2. What is the difference between running "virt-manager" and "sudo virt-manager"? (Allen Qiu) 3. Re: What is the difference between running "virt-manager" and "sudo virt-manager"? (Sven Schwedas) ---------------------------------------------------------------------- Message: 1 Date: Mon, 27 Oct 2014 16:14:22 +0800 From: "Allen Qiu"<my1stbox(a)163.com> To: "libvirt-users(a)redhat.com"<libvirt-users(a)redhat.com> Cc: ??? <chengwu.wang(a)net263.com>, 'Bin Liu' <binliu_gh(a)yahoo.com> Subject: [libvirt-users] Error starting Virtual Machine Manager: Failed to contact configuration server... Message-ID: <5a1daafa.4851.14950ab9ff5.Coremail.my1stbox(a)163.com> Content-Type: text/plain; charset="utf-8" Hi all! Do you have any idea about the following error message from virt-manager. I was trying to start it with "sudo virt-manager". Do you think I can fix this by simply restarting libvirtd? Regards, Allen Error starting Virtual Machine Manager: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details - 1: Could not send message to GConf daemon: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) Traceback (most recent call last): File "/usr/share/virt-manager/virt-manager.py", line 383, in <module> main() File "/usr/share/virt-manager/virt-manager.py", line 315, in main config = virtManager.config.vmmConfig(appname, appversion, glade_dir) File "/usr/share/virt-manager/virtManager/config.py", line 98, in __init__ self.conf.add_dir(self.conf_dir, gconf.CLIENT_PRELOAD_NONE) GError: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details - 1: Could not send message to GConf daemon: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) 2014-10-27 Allen Qiu -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.redhat.com/archives/libvirt-users/attachments/20141027/2e37a157…> ------------------------------ Message: 2 Date: Mon, 27 Oct 2014 16:31:17 +0800 From: "Allen Qiu"<my1stbox(a)163.com> To: "libvirt-users(a)redhat.com"<libvirt-users(a)redhat.com> Cc: ??? <chengwu.wang(a)net263.com>, "zoubinbin100(a)163.com" <zoubinbin100(a)163.com>, 'Bin Liu' <binliu_gh(a)yahoo.com> Subject: [libvirt-users] What is the difference between running "virt-manager" and "sudo virt-manager"? Message-ID: <6b47a489.4b48.14950bb1af4.Coremail.my1stbox(a)163.com> Content-Type: text/plain; charset="utf-8" Hi all, What is the difference between starting virt-manager by "virt-manager" and by "sudo virt-manager"? It seems that there are two copy of virt-manager running in the background. When I run "virt-manager", I got a error of "Unable to open a connection to the libvirt management daemon. Libvirt URI is: qemu:///system Verify that: - The 'libvirtd' daemon has been started". Whereas when I run "sudo virt-manager", I got a error of "Error starting Virtual Machine Manager: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information." How should I deal with the two issues respectively? Is there any drawback by simply running "virt-manager"? Regards, Allen 2014-10-27 Allen Qiu -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.redhat.com/archives/libvirt-users/attachments/20141027/6d6c6296…> ------------------------------ Message: 3 Date: Mon, 27 Oct 2014 10:05:47 +0100 From: Sven Schwedas <sven.schwedas(a)tao.at> To: libvirt-users(a)redhat.com Subject: Re: [libvirt-users] What is the difference between running "virt-manager" and "sudo virt-manager"? Message-ID: <544E0AEB.4080005(a)tao.at> Content-Type: text/plain; charset="iso-8859-1" On 2014-10-27 09:31, Allen Qiu wrote: > Hi all, > > What is the difference between starting virt-manager by "virt-manager" > and by "sudo virt-manager"? It seems that there are two copy of > virt-manager running in the background. > > When I run *"virt-manager",* I got a error of "*Unable to open a > connection to the libvirt management daemon. **Libvirt URI is: > qemu:///system **Verify that: - The 'libvirtd' daemon has been started*". > > Whereas when I run *"sudo virt-manager",* I got a error of *"Error > starting Virtual Machine Manager: Failed to contact configuration > server; some possible causes are that you need to enable TCP/IP > networking for ORBit, or you have stale NFS locks due to a system crash. > See **http://projects.gnome.org/gconf/**for information."* > ** > How should I deal with the two issues respectively? Is there any > drawback by simply running "virt-manager"? You should set up correct permissions for libvirtd (cf. libvirtd.conf, unix_sock_group) and use virt-manager/virsh as unprivileged user. > > Regards, > > Allen > > 2014-10-27 > ------------------------------------------------------------------------ > Allen Qiu > > > _______________________________________________ > libvirt-users mailing list > libvirt-users(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvirt-users > -- Mit freundlichen Gr??en, / Best Regards, Sven Schwedas Systemadministrator TAO Beratungs- und Management GmbH | Lendplatz 45 | A - 8020 Graz Mail/XMPP: sven.schwedas(a)tao.at | +43 (0)680 301 7167 http://software.tao.at -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 648 bytes Desc: OpenPGP digital signature URL: <https://www.redhat.com/archives/libvirt-users/attachments/20141027/28f925c0…> ------------------------------ _______________________________________________ libvirt-users mailing list libvirt-users(a)redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users End of libvirt-users Digest, Vol 58, Issue 33 *********************************************

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[libvirt-users] Error starting Virtual Machine Manager: Failed to contact configuration server...
by Allen Qiu 27 Oct '14

27 Oct '14

Hi all! Do you have any idea about the following error message from virt-manager. I was trying to start it with "sudo virt-manager". Do you think I can fix this by simply restarting libvirtd? Regards, Allen Error starting Virtual Machine Manager: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details - 1: Could not send message to GConf daemon: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) Traceback (most recent call last): File "/usr/share/virt-manager/virt-manager.py", line 383, in <module> main() File "/usr/share/virt-manager/virt-manager.py", line 315, in main config = virtManager.config.vmmConfig(appname, appversion, glade_dir) File "/usr/share/virt-manager/virtManager/config.py", line 98, in __init__ self.conf.add_dir(self.conf_dir, gconf.CLIENT_PRELOAD_NONE) GError: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details - 1: Could not send message to GConf daemon: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) 2014-10-27 Allen Qiu

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[libvirt-users] Using virsh on OSX to control a VMs on a linux machine
by Johannes Kastl 25 Oct '14

25 Oct '14

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi everyone, maybe this is a stupid thing, but Google found no answer. So, for the next one trying this: I have a linux server, that runs a couple of VMs, and on which libvirt and virsh work like a charm. From time to time I'm on a Mac OSX machine, where I can install libvirt from macports very comfortably. But this far I have not gotten it to work with anything apart from the virtualbox that is installed on osx. I always get a hangup error, that is not listed on http://wiki.libvirt.org/page/Failed_to_connect_to_the_hypervisor: > error: failed to connect to the hypervisor error: internal error: > received hangup / error event on socket So I had to enter the path to the socket (on the linux machine), as the OSX libvirt thinks it is in /opt/local/..., where the whole macports stuff is. On linux it's in /var/run/libvirt/. So, the following works: > virsh -c > qemu+ssh://example.org/system?socket=/var/run/libvirt/libvirt-sock > list --all Regards, Johannes - -- `Even if I could, I wouldn't. Scars can come in useful. I have one myself above my left knee which is a perfect map of the London Underground.´ (Albus Dumbledore, Harry Potter I) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with SeaMonkey - http://www.enigmail.net/ iEYEARECAAYFAlRLpysACgkQzi3gQ/xETbLb8QCeMXgA3A0erpPvc3fHpOWSnBYG 6AAAoI6e3+Kzk4Q30GBbixCgea6TBEGy =RMS/ -----END PGP SIGNATURE-----

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[libvirt-users] libvirt guests graceful shutdown upon hosts powerdown/reboot
by lejeczek 25 Oct '14

25 Oct '14

hi everybody by an assumption I expected VM guests to be shut down/off gracefully when the host is being powered down or rebooted, but this does not seem to be the case so I wonder.. Am I missing some libvirt components/packages ? Or my assumption is incorrect and guests have to be shutdown manually? it's all SL 7 and guest are M$ regards P.

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[libvirt-users] Specify hard disk type (immutable) in the domain.xml file
by fdytr ytruy 25 Oct '14

25 Oct '14

P { margin-bottom: 0.21cm; }Hi! I'm using libvirt withVirtual Box. I have installed libvirt 0.10.2 and Virtual Box 4.1. I want to use "virsh define"to define my Virtual Box virtual machine. My question is: In my domain.xml, how can Ispecify that my hard disk is of type immutable/ multi attach etc. Can I use som kind oftag or attribute, something like this: <disk type='file'device='disk'> <sourcefile='/path/to/my/file.vdi'/> <target dev='hda'bus='ide'/> <type>immutable</type> </disk> In the domain.xml is it possible to specifythe path to my folder where I have my snapshot.vdi file? Thanks! LL

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