June 2013 - Users - Libvirt List Archives

[libvirt-users] some problem with snapshot by libvirt

by xingxing gao

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

10 years, 1 month

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[libvirt-users] deadlock on connection loosing

by Александр

libvirtd will lock if for example kill programm which established connection, only sigkill + restart helps., to reproduce: virConnectPtr libvirt_connection = virConnectOpen("qemu:///system"); if(libvirt_connection == NULL) { std::cout<<"failed to connect to qemu:///system\n"; exit(-1); } exit(0);

11 years, 5 months

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[libvirt-users] Same credentials stored in auth.conf for many servers

by Maciej Gałkiewicz

Hello According to client authentication in documentation ( http://libvirt.org/auth.html) it is possible to store credentials in auth.conf file and make appropriate mappings to servers: [auth-$SERVICE-$HOSTNAME] credentials=$CREDENTIALS Is it possible to use the same credentials for many servers without explicitly describing it? For example replacing: [auth-libvirt-myhost1] credentials=mycred [auth-libvirt-myhost2] credentials=mycred with: [auth-libvirt-myhost*] credentials=mycred or [auth-libvirt-any] credentials=mycred regards -- Maciej Gałkiewicz Shelly Cloud Sp. z o. o., Sysadmin http://shellycloud.com/, macias(a)shellycloud.com KRS: 0000440358 REGON: 101504426

11 years, 5 months

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[libvirt-users] VMware distributed port groups..Supported?

by Morgan McLean

Hi, I installed libvirt on CentOS 6 today, only to find I could create the volume, create the VM, but could not assign the interface to a distributed port group. I then downloaded the latest source, compiled, and it looks to be the same...unless its under a command I'm not recognizing? Does anybody have the great tip that is going to set me free? I hope? Everything we use is on the vSwitches, as we run 60-80 VLAN's to each cluster member. -- Thanks, Morgan

11 years, 5 months

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[libvirt-users] add support to vde2

by Rodolfo Andres

what about add support to vde2??, in vde2-svn you can find a patch but is outdated, try to apply to current version but lots of rej. sadly im not a dev so cant help.. Regards. --

11 years, 5 months

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[libvirt-users] managedsave results in unexpected shutdown from inside Windows

by Nicolas Sebrecht

Hi, I'm facing a strange behaviour of windows 2008 guests. After a virsh managedsave and start, the windows guest open a "unexpected shutdown" window. The window looks like this one (randomly taken from the web): http://toastytech.com/guis/srv2k3login2.jpg This happens in all virtualized windows in a hypervisor. Has anyone else experienced such issue? Thanks, -- Nicolas Sebrecht

11 years, 5 months

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[libvirt-users] qemu-img convert to "sparse" LV

by Edoardo Comar

Apologies as this is is not a specific libvirt question. Is qemu-img convert compatible with thin-provisioned LVs as targets ? I wanted to convert a file-based image to a LV image where the file-based image has a capacity much larger than the actual data it contains, so it has a small footprint on disk (either a qcow2 or a raw, but sparse, image). If I use qemu-img convert -O raw ... with a target LV sized to the full capacity of the file-image, all is fine. But if I try use an LV whose virtual size equals the capacity, but its size is smaller (although more than enough for the data) the LV is invariably corrupt. If I try use a thin-provisioned LV pool, and a LV backed by that pool, the LV resulting from qemu-img convert is not corrupt but it uses as much space as the file-image capacity it came from. This on both RHEL64 and Fedora18. -------------------------------------------------- regards, Edoardo Comar WebSphere Application Service Platform for Networks (ASPN) ecomar(a)uk.ibm.com +44 (0)1962 81 5576 IBM UK Ltd, Hursley Park, SO21 2JN Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU

11 years, 5 months

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[libvirt-users] virt-manager 0.10.0 gentoo bug on start?

by Marko Weber | ZBF

hello i installed virt-manager 0.10.0 on gentoo. on start i get: Fehler beim Starten des Virtual Machine Managers: cannot import name SpiceClientGtk Traceback (most recent call last): File "/usr/share/virt-manager/virt-manager", line 303, in <module> main() File "/usr/share/virt-manager/virt-manager", line 267, in main from virtManager.engine import vmmEngine File "/usr/share/virt-manager/virtManager/engine.py", line 45, in <module> from virtManager.details import vmmDetails File "/usr/share/virt-manager/virtManager/details.py", line 37, in <module> from virtManager.console import vmmConsolePages File "/usr/share/virt-manager/virtManager/console.py", line 28, in <module> from gi.repository import SpiceClientGtk ImportError: cannot import name SpiceClientGtk i dont set useflag spice. so why it alerts it cant import spice? any ideas ? thank you marko

11 years, 5 months

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[libvirt-users] error : Failed to find user record for uid '32722'

by Tony Cebzanov

I'm trying to use the libvirt Python API to manage VirtualBox VMs on Mac OS X 10.8.3. I'm running libvirt 1.0.6 via Homebrew. However, the following trivial Python script: import libvirt conn = libvirt.open('vbox:///session') gives me the following error: libvirt: error : Failed to find user record for uid '32722': Success Traceback (most recent call last): File "ch3vm.py", line 3, in <module> conn = libvirt.open('vbox:///session') File "/usr/local/lib/python2.7/site-packages/libvirt.py", line 236, in open if ret is None:raise libvirtError('virConnectOpen() failed') libvirt.libvirtError: Failed to find user record for uid '32722': Success I have no idea where that uid 32722 is coming from -- it's not the uid of my user account, any of my VirtualBox files, or anything else that I'm aware of. Anyone have any idea what's going on here?

11 years, 5 months

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[libvirt-users] virsh can create vHBA, but returen error msg "Node device not found"

by Dennis Chen

Hi, I am using the libvirt 1.0.6 with the patch applied: http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=371c155 The problem I encountered is, with virsh comand 'nodedev-create /home/kvm/vHBA.xml', the vHBA can be generated as expected on the host, but error msg will show in the virsh shell: libvirt: Node Device Driver error : Node device not found I try to find the reason with gdb, and found that the 'nodedev-create' command will call virNetClientIOEventLoop() function of the remote driver, in this function, code will wait on: repoll: ret = poll(fds, ARRAY_CARDINALITY(fds), timeout); after about 50s, poll() returns, but the replied msg->header.status=VIR_NET_ERROR. I am not familiar with the rpc call in the remote driver, does anybody here can give some clues? BRs, Dennis

11 years, 5 months

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Users June 2013