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...as" and starts the domains afterwards via cluster. But let's assume i issue that on node 1 and some guests are started afterwards via pacemaker on node 2. I can't predict on which node the guests are starting. Then i don't get a snapshot, right ? What to do ? Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen [ mailto:bernd.lentes@helmholtz-muenchen.de | bernd.lentes@helmholtz-muenchen.de ] phone: +49 89 3187 1241 fax: +49 89 3187 2294 [ http://www.helmholtz-muenchen.de/idg | http://www.helmho...

> Von: "Lentes, Bernd" <bernd.lentes@helmholtz-muenchen.de> > Datum: 21. September 2020 um 18:38:48 MESZ > An: Martin Kletzander <mkletzan@redhat.com> > Betreff: Aw: can't define domain - error: cannot open /dev/null: Operation not permitted > > Hi Martin, > > after c...

...server and if that is finished the snapshot is blockcommited into the backing file. That's working fine already for several days. This cronjob creates a log and it's looking fine. The domains reside in naked Logical Volumes, the respective Volume Group has enough space. Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen bernd.lentes@helmholtz-muenchen.de phone: +49 89 3187 1241 phone: +49 89 3187 3827 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/idg wer Fehler macht kann etwas lernen wer ni...

Pacemaker always knows where its resources are running. Query it, stop the domain, then use the queried location as the host to which to issue the snapshot? Cheers, Peter On Mon, 15 Oct 2018, 20:36 Lentes, Bernd, < bernd.lentes@helmholtz-muenchen.de> wrote: > Hi, > > i have a two node cluster with virtual guests as resources. > I'd like to snapshot the guests once in the night and thought i had a > procedure. > But i realize that things in a cluster are a bit more compli...

...hat all work with libvirt 1.2.5-7.1 or do I need a more recent version (what I don't like because I tried already to update my libvirt but had tons of dependencies) ? I know. A lot of questions. But it's a backup, and I wanted to be sure that it operates properly. Thanks. Bernd -- Bernd Lentes Systemadministration institute of developmental genetics Geb?ude 35.34 - Raum 208 HelmholtzZentrum M?nchen bernd.lentes at helmholtz-muenchen.de phone: +49 (0)89 3187 1241 fax: +49 (0)89 3187 2294 Wer Visionen hat soll zum Hausarzt gehen Helmut Schmidt Helmholtz Zentrum Muenchen Deutsches Fo...

no backup - no mercy ----- On Mar 14, 2018, at 2:19 PM, Ben RUBSON ben.rubson at gmail.com wrote: > On 14 Mar 2018, Lentes, Bernd via rsync wrote: > >> I would now expect a rsync from the snap would transfer just some megay >> bytes to the file from the day before. >> But it doesn't: >> >> ha-idg-1:/cluster/guests/servers_alive # time rsync -av --stats >> sa.raw.snap /mnt/idg...

...609856 183599 /mnt/snap/sim.sn (deleted) vnc_worke 27007 27321 qemu 15ur REG 254,14 335609856 183599 /mnt/snap/sim.sn (deleted) vnc_worke 27007 27321 qemu 16ur REG 254,14 335609856 183599 /mnt/snap/sim.sn (deleted) Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen bernd.lentes@helmholtz-muenchen.de phone: +49 89 3187 1241 phone: +49 89 3187 3827 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/idg wer Fehler macht kann etwas lernen wer ni...

Hi, what does "virsh destroy" with the domain ? Send a kill -9 to the process ? Bernd -- Bernd Lentes Systemadministration Institute for Metabolism and Cell Death (MCD) Building 25 - office 122 HelmholtzZentrum München bernd.lentes@helmholtz-muenchen.de phone: +49 89 3187 1241 phone: +49 89 3187 3827 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/mcd stay healthy Helmholtz Zentru...

On Thu, Jun 13, 2019 at 16:01:18 +0200, Lentes, Bernd wrote: > > ----- On Jun 13, 2019, at 1:08 PM, Bernd Lentes bernd.lentes@helmholtz-muenchen.de wrote: > > I found further information in /var/log/messages for both occurrences: > > 2019-06-01T03:05:31.620725+02:00 ha-idg-2 systemd-coredump[14253]: Core Dumping has been di...

J'aimerais savoir si la fonction merge() est la seule disponible pour concatener des tableaux de donn?es? Est-ce normal que l'ex?cution soit lente?

...e compared to the file from a day before. So i don't have to transfer complete and big raw files but just the difference. The guest still can be running, and after the transfer of the snapshot file i just delete it, and the next night the same procedure. What do you think ? Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen [ mailto:bernd.lentes@helmholtz-muenchen.de | bernd.lentes@helmholtz-muenchen.de ] phone: +49 89 3187 1241 fax: +49 89 3187 2294 [ http://www.helmholtz-muenchen.de/idg | http://www.helmho...

...x.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@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 Zen...

...rt.py", line 25, in <module> raise lib_e ImportError: /usr/lib64/libvirt.so.0: undefined symbol: selinux_virtual_domain_context_path [1]+ Exit 1 virt-manager ========================= As you see, virt-manager does not start. Thanks for any hint. Bernd -- Bernd Lentes Systemadministration Institut f?r Entwicklungsgenetik Geb?ude 35.34 - Raum 208 HelmholtzZentrum m?nchen bernd.lentes at helmholtz-muenchen.de phone: +49 89 3187 1241 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/idg Wir sollten nicht den Tod f?rchten, sondern das schlechte Leben Helmh...

...return $OCF_SUCCESS } The function force_stop is responsible for stop/destroy the domain. And it cares about a non-working "virsh destroy". Is there a developer who can explain what "virsh destroy" really does ? Or is there another ML for the developers ? Bernd -- Bernd Lentes Systemadministration Institute for Metabolism and Cell Death (MCD) Building 25 - office 122 HelmholtzZentrum München bernd.lentes@helmholtz-muenchen.de phone: +49 89 3187 1241 phone: +49 89 3187 3827 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/mcd stay healthy Helmholtz Zentru...

...need a live snapshot. But how can i revert to my previous state if my configuration changes go wrong ? Can i do this with snapshot-revert or do i have to edit the xml file and point the hd again to the origin raw file ? What i found in the net wasn't complete clear. Thanks. Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen [ mailto:bernd.lentes@helmholtz-muenchen.de | bernd.lentes@helmholtz-muenchen.de ] phone: +49 89 3187 1241 fax: +49 89 3187 2294 [ http://www.helmholtz-muenchen.de/idg | http://www.helmho...

> Von: "Lentes, Bernd" <bernd.lentes@helmholtz-muenchen.de> > Datum: 21. September 2020 um 18:38:48 MESZ > An: Martin Kletzander <mkletzan@redhat.com> > Betreff: Aw: can't define domain - error: cannot open /dev/null: Operation not permitted > Helmholtz Zentrum Mnchen Helmhol...

...d between virsh versions, and especially if virsh destroy ever exits with a status other than zero, then you'll get that OCF error. Do you know what $VIRSH_OPTIONS ends up as in your Pacemaker config, particularly whether --graceful is specified? Cheers, - Peter On Wed, 7 Oct 2020 at 18:13, Lentes, Bernd < bernd.lentes@helmholtz-muenchen.de> wrote: > Hi, > > Is it possible that "virsh destroy" does not stop a domain ? > I'm asking because i have some domains running in a two-node HA-Cluster > (pacemaker). > And sometimes one node get fenced (killed) bec...

...e in my eyes. This driver is outdated and not from RedHat or Fedora, what i expected. Also updating the driver and pointing to the CD, even the respective folder, didn't work. It says the driver is the most recent. I used the virtIO-ISO 0.1.173, Windows 10 64bit Edition 1903. Bernd -- Bernd Lentes Systemadministration Institute for Metabolism and Cell Death (MCD) Building 35.34 - Raum 208 HelmholtzZentrum m?nchen bernd.lentes at helmholtz-muenchen.de phone: +49 89 3187 1241 phone: +49 89 3187 3827 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/mcd Perfekt ist wer keine Feh...

----- On Feb 14, 2020, at 4:13 PM, Peter Krempa pkrempa@redhat.com wrote: > > Sounds like qemu doesn't support unplug of vcpus. Which version of qemu > do you use? ha-idg-2:~ # rpm -qa|grep qemu qemu-seabios-1.11.0-5.18.1.noarch qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.16.1.noarch qemu-block-curl-2.11.2-5.18.1.x86_64 qemu-sgabios-8-5.18.1.noarch

...y vm's (KVM) using a traditional bridge in my host systems, mostly SLES 11 SP3. But with SLES 12 I don't succeed. I can use the macvtap device in the host, but I like to be able to communicate between host and guest. Is the traditional bridge setup not any longer available ? Bernd -- Bernd Lentes Systemadministration Institut für Entwicklungsgenetik Gebäude 35.34 - Raum 208 HelmholtzZentrum münchen bernd.lentes@helmholtz-muenchen.de phone: +49 89 3187 1241 fax: +49 89 3187 2294 http://www.helmholtz-muenchen.de/idg Je suis Charlie Helmholtz Zentrum München Deutsches Forschungszentrum f...