similar to: When adding a channel device, we need a shutdown

Displaying 20 results from an estimated 1000 matches similar to: "When adding a channel device, we need a shutdown"

2016 Jan 08
2
Re: operation forbidden Read Only Access
Hi, I found an answer : Use virConnectOpenAuth() instead of virConnectOpenReadOnly(). As my piece of code is running silently (without user connected) , by using virConnectOpenAuth() , is it possible to avoid to prompt user to get user /password ? Thx. J.P. -----Message d'origine----- De : libvirt-users-bounces@redhat.com [mailto:libvirt-users-bounces@redhat.com] De la part de
2015 Aug 25
2
On which /dev/pts/x is channel source mapped ?
Hi, By adding following lines in a Guest .xml conf file , I'm able to send / receive datas between host and this guest. <channel type='pty'> <target type='virtio' name='arbitrary.virtio.serial.port.name'/> <address type='virtio-serial' controller='0' bus='0' port='1'/> </channel> My question is
2016 Jan 12
2
vdsm hook issues
Hi, 1) is it enough to add a hook.py in /usr/libexec/vdsm/hooks/before_vm_start directory , and then shut down and reboot a guest to see this hook.py invoked ? 2) when running manually my hook.py, I got following error : ImportError: No module named hooking Do I have to install anything to solve this issue ? Thanks for help. Regards, J.P. Ribeauville P:
2015 Nov 09
2
availability of target type state within a dumpxml result
Hi, I'm trying to find out what is the minimum release I need to use to have this field 'state' available ? <channel type='unix'> <source mode='bind' path='//var/lib/libvirt/qemu/dummy_agent'/> <target type='virtio' name=dummy' state='connected'/> <alias name='channel0'/> <address
2015 Aug 31
3
about guest live migration configuration changes persistence ..
Hi, Is a change , by edit it via virsh edit , in the "local" .xml configuration file (i.e. adding a channel device) persistent when live migrating the guest on another host ? Thx. J.P. Ribeauville P: +33.(0).1.47.17.27.87 Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com> http://www.axway.com<http://www.axway.com/> P Pensez à
2015 Aug 27
4
Using unix-type channel ....
Hi, I'm trying to use unix-type channel to send/receive datas between host and guest . Here are the steps I follow : 1) Adding these lines to expose a channel unix type to my guest <channel type='unix'> <source mode='bind' path='/var/lib/libvirt/qemu/omnivision_1.agent'/> <target type='virtio'
2016 Jan 07
3
Unable to retrieve Guest IP Addresses via libvirt API
Hi , Despite the fact that my Guest has an IP address , by running this piece of code on a KVM host : ifaces_count = F_virDomainInterfaceAddresses(domain, &ifaces,VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE, NULL); ifaces_count = F_virDomainInterfaceAddresses(domain, &ifaces,VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_AGENT, NULL); I'm not able to get a ifaces_count different from
2015 Oct 29
2
How to retrieve legacy cgroups location ?
Hi, As told in "Control Groups Resource Management" libvirt page : Legacy cgroups layout Prior to libvirt 1.0.5, the cgroups layout created by libvirt was different from that described above, and did not allow for administrator customization. Libvirt used a fixed, 3-level hierarchy libvirt/{qemu,lxc}/$VMNAME which was rooted at the point in the hierarchy where libvirtd itself was
2015 Aug 26
0
Re: On which /dev/pts/x is channel source
Hi, I just tested by using "unix virtio" channel instead of pty. It looks easier to handle. Thx for help. Regards, J.P. -----Message d'origine----- De : libvirt-users-bounces@redhat.com [mailto:libvirt-users-bounces@redhat.com] De la part de libvirt-users-request@redhat.com Envoyé : mercredi 26 août 2015 15:38 À : libvirt-users@redhat.com Objet : libvirt-users Digest, Vol 68,
2015 Aug 13
1
Host and Guest UUID ?
Hi, Are there some kind of UUIDs for Host and Guest ? If yes , how may I retrieve them programmatically ? My goal is to trace GUEST migrations. Thx for help. Regards, J.P. Ribeauville P: +33.(0).1.47.17.27.87 Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com> http://www.axway.com<http://www.axway.com/> P Pensez à l'environnement avant
2015 Aug 25
1
Check whether we are runnig on a KVM guest
Hi, How may I , via a C program , check whether I'm running on a KVM guest ? May I use the same API on Windows and Linux Guest ? Regards, J.P. Ribeauville P: +33.(0).1.47.17.27.87 Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com> http://www.axway.com<http://www.axway.com/> P Pensez à l'environnement avant d'imprimer.
2015 Aug 25
1
from command line to xml file
Hi, In order to use a virtio-serial to exchange data between host and its guests, I'd like to modify the .xml Guest conf file by adding these parameters ( as found in the command line) : -device virtio-serial \ -chardev socket,path=/tmp/foo,server,nowait,id=foo \ -device virtserialport,chardev=foo,name=org.fedoraproject.port.0 How should I build the XML tags ? Thx for help. J.P.
2015 Sep 24
1
Guest cpuacct counters and others location
Hi, My piece of code ( C langage) uses cgroups to retrieve counters related to cpu and memory usage related to KVM guests hosted by the host where this code runs. I noticed that depending on the O.S. running on the host , these counters are not found at the same location : CentOS 7 : ls /sys/fs/cgroup/cpuacct/machine.slice/machine-qemu\\x2drhel6.0.scope/vcpu0 cgroup.clone_children
2015 Nov 04
2
Retrieving datas sent by host within the Guest
Hi, I' trying to read datas sent by my KVM host within the Guest. Host send these datas trough a channel UNIX type , by using AF_UNIX socket stuff. If i try to retrive the datas by using such type of thing in the Guest : #define NAME "/dev/virtio-ports/agent" sock = socket(AF_UNIX, SOCK_STREAM, 0); 12 if (sock < 0) { 13 perror("opening stream socket");
2016 Jan 12
2
Re: libvirt-users Digest, Vol 73, Issue 12 ] Failure when attaching a device
Hi, I think that issue is due to the fact that my Guest is a transient domain. When shutting down it or migrating to another host , then virsh list --all doesn't show this Guest anymore. How may I make this Guest a persistent one ? ( i.e. this Guest has been created via RHEV-M GUI) Thx for hlep. Regards, J.P. -----Message d'origine----- De : libvirt-users-bounces@redhat.com
2015 Jul 08
2
cpuacct and emulator/cpuacct
Hello, Does it exist some documentation concerning following topic ? What's difference between following perf counters : /cgroup/cpuacct/libvirt/qemu/test/cpuacct.usage and /cgroup/cpuacct/libvirt/qemu/test/emulator/cpuacct.usage Thx . Regards, J.P. Ribeauville P: +33.(0).1.47.17.27.78 Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com>
2015 Jul 09
2
adding devices and chardev in .xml configuration file ...
Hi, As I want to start qemu by adding following parameters : -device virtio-serial -chardev socket,path=/tmp/foo,server,nowait,id=test -device virtserialport,chardev=test,name=port.0 Is it possible to add them in the .xml configuration file of the guest , so they will be automatically added when the guest is started ? If yes , any doc describing the syntax ? Thx. Regards, J.P. Ribeauville
2015 Oct 30
2
virDomainMemoryStats missing counters ...
Hi, In which libvirt version are these virDomainMemoryStats() counters handled ? VIR_DOMAIN_MEMORY_STAT_SWAP_OUT VIR_DOMAIN_MEMORY_STAT_MAJOR_FAULT VIR_DOMAIN_MEMORY_STAT_MINOR_FAULT VIR_DOMAIN_MEMORY_STAT_UNUSED VIR_DOMAIN_MEMORY_STAT_AVAILABLE Thanks. Regards, J.P. Ribeauville P: +33.(0).1.47.17.20.49 . Puteaux 3 Etage 5 Bureau 4
2015 Dec 04
2
virsh attach device equivalent in libvirt API
Hi, Is there an equivalent of "virsh attach-device -live -persistent " within libvirt API : virDomainAttachDevice() or virDomainAttachDeviceFlags() or ??? Thanks for help. Regards, J.P. Ribeauville P: +33.(0).1.47.17.20.49 . Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com> http://www.axway.com<http://www.axway.com/> P
2015 Nov 02
2
virsh edit from script ??
Hi, I need to add , via script , a channel device in .xml guest config file. Is virsh edit useable from a "standard" script or is there any more suitable way to use ? Thanks. J.P. Ribeauville P: +33.(0).1.47.17.20.49 . Puteaux 3 Etage 5 Bureau 4 jpribeauville at axway.com<mailto:jpribeauville at axway.com> http://www.axway.com<http://www.axway.com/> P Pensez ?