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Convert raw images to qcow format
by Jonas 11 Oct '22

11 Oct '22

Hi there I want to create incremental backups of a few imported VMs, but the VM disks are in the raw disk format which does not support incremental backup. Is there a way to convert existing disks from raw to qcow in oVirt? Since qemu-img can do this,I assume there must be a way.. Thank you Jonas

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Pre-Installing OpenVSwitch For oVirt Self-Hoster Install - Issues?
by Matthew J Black 11 Oct '22

11 Oct '22

Hi All, Is anyone aware of any issues (ie "gotchas") with pre-installing OpenVSwitch in preparation for an oVirt Self-Hosted install? We're trying to work around an error we're getting with `hosted-engine --deploy` which spits out: `error: Failed to start network default\nerror: internal error: Network is already in use by interface bond1.a`. What we're thinking is if we pre-create the OVS Network (ie ovirtmgmt) then `hosted-engine --deploy` won't baulk and fail to install. We've been grinding away at this and other issues for several weeks now and we're getting pretty desperate at this stage, to the point that we're starting to seriously consider giving up on oVirt completely - which would be a shame because it seems to be made for the job we want to do, but if we can't get it installed, let along working, then what's the point? (Plus I hate the thought of all the wasted time and effort - but that may just be the "suck cost fallacy" at work). Anyway, if anyone has any insights we'd appreciate them. Cheers Dulux-Oz

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Re: OVS Task Error when Add EL Host
by Łukasz Pelczyk 10 Oct '22

10 Oct '22

I just hit the same error. Initially I got it on the beginning of installation (both netaddr and jmespath were not found). Seems that python3.9 is used so initially I solved it via pip3.9 install. Alternatively you can get the rpm packages from epel. The same issues is on ovirt VM side. As a workaround I started deployment with pause (hosted-engine --deploy --ansible-extra-vars=he_pause_host=true). With that you can ssh to the instance, and manually run pip install which got me: 'Successfully installed jmespath-1.0.1 netaddr-0.8.0'. This is just a workaround and proper fix should be reflected in engine VM image, or on the repos side.

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Re: OVS Task Error when Add EL Host
by Martin Perina 08 Oct '22

08 Oct '22

Hi, please try to downgrade ansible-core-2.13 to 2.12, oVirt doesn't support 2.13 on EL8 yet. Regards, Martin On Thu, Oct 6, 2022 at 3:23 PM Nur Imam Febrianto <nur_imam(a)outlook.com> wrote: > Hi, > > > > Getting strange error when adding EL Host (Using CentOS Stream 8) : > > The conditional check 'cluster_switch == \\\"ovs\\\" or (ovn_central is > defined and ovn_central | ipaddr)' failed. The error was: The ipaddr filter > requires python's netaddr be installed on the ansible controller\\n\\nThe > error appears to be in > '/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-provider-ovn-driver/tasks/configure.yml': > line 3, column 5, but may\\nbe elsewhere in the file depending on the exact > syntax problem.\\n\\nThe offending line appears to be:\\n\\n- block:\\n - > name: Install ovs\\n ^ here\\n\"}", > > "msg" : "The conditional check 'cluster_switch == \"ovs\" or > (ovn_central is defined and ovn_central | ipaddr)' failed. The error was: > The ipaddr filter requires python's netaddr be installed on the ansible > controller\n\nThe error appears to be in > '/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-provider-ovn-driver/tasks/configure.yml': > line 3, column 5, but may\nbe elsewhere in the file depending on the exact > syntax problem.\n\nThe offending line appears to be:\n\n- block:\n - name: > Install ovs\n ^ here\n" > > > > Already checking the python-netaddr and its already installed on the > system (both python3-netaddr and python38-netaddr). > > Using oVirt 4.5. Anybody getting this same issue ? > > > > Thanks before. > > Regards, > > Nur Imam Febrianto > > > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows > > > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/EGVQEKGAA6O2X… > -- Martin Perina Manager, Software Engineering Red Hat Czech s.r.o.

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Question: How does ovirt storage domain differ from VMFS?
by jstk888＠gmail.com 07 Oct '22

07 Oct '22

Hello, I was asked the other day what file system oVirt uses to store virtual machine images and how it differed from VMware VMFS. I had to admit that I didn't quite understand this aspect of oVirt. I've had a look around but haven't found an answer. I was wondering if someone could explain at a high level, how the underlying oVirt VM storage domain differs from VMFS? What file system is used? Does it use a file system at all? Thank you.

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OVS Task Error when Add EL Host
by Nur Imam Febrianto 06 Oct '22

06 Oct '22

Hi, Getting strange error when adding EL Host (Using CentOS Stream 8) : The conditional check 'cluster_switch == \\\"ovs\\\" or (ovn_central is defined and ovn_central | ipaddr)' failed. The error was: The ipaddr filter requires python's netaddr be installed on the ansible controller\\n\\nThe error appears to be in '/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-provider-ovn-driver/tasks/configure.yml': line 3, column 5, but may\\nbe elsewhere in the file depending on the exact syntax problem.\\n\\nThe offending line appears to be:\\n\\n- block:\\n - name: Install ovs\\n ^ here\\n\"}", "msg" : "The conditional check 'cluster_switch == \"ovs\" or (ovn_central is defined and ovn_central | ipaddr)' failed. The error was: The ipaddr filter requires python's netaddr be installed on the ansible controller\n\nThe error appears to be in '/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-provider-ovn-driver/tasks/configure.yml': line 3, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n- block:\n - name: Install ovs\n ^ here\n" Already checking the python-netaddr and its already installed on the system (both python3-netaddr and python38-netaddr). Using oVirt 4.5. Anybody getting this same issue ? Thanks before. Regards, Nur Imam Febrianto Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows

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Snapshot not working
by Facundo Badaracco 06 Oct '22

06 Oct '22

hi everyone, I have a glusterFS replica x3 node. I can't create snapshot. when I create it, if I select to save the memory, then in the disks section only appears the snapshot of the memory and in locked state. If instead, I remove the option to make snapshot of the memory, it does not make the snapshot saying "failed". Any idea?

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Issues with snapshot and template
by David Johnson 06 Oct '22

06 Oct '22

Good morning all, Thank you in advance. My current environment is ovirt 4.5.2.4-1.el8, running on centos 7.9. I'm looking for advice on resolving two issues that have just come to light: *Issue #1*: When I attempt to create a template from the oVirt GUI, I click the "Make Template" button, enter the name for the new template, then click the "OK" button. The OK button highlights, but nothing happens. *There are no entries showing activity in the engine.log.* *Issue #2:* When I delete a snapshot, after the snapshot is deleted, I receive this error message from the GUI: [image: image.png] *ui.log entry:* 2022-10-05 11:01:42,014-05 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-243) [] Permutation name: 872EE01DC49AC3F81586694F1584D19D 2022-10-05 11:01:42,014-05 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-243) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : Cannot read properties of null (reading 'wV') at org.ovirt.engine.ui.uicommonweb.models.vms.VmSnapshotListModel.$updateActionAvailability(VmSnapshotListModel.java:834) at org.ovirt.engine.ui.uicommonweb.models.vms.VmSnapshotListModel.onSelectedItemChanged(VmSnapshotListModel.java:262) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel.$setItems(SearchableListModel.java:714) at org.ovirt.engine.ui.uicommonweb.models.vms.VmSnapshotListModel.$updateItems(VmSnapshotListModel.java:225) at org.ovirt.engine.ui.uicommonweb.models.vms.VmSnapshotListModel.setItems(VmSnapshotListModel.java:205) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel$SetItemsAsyncQuery$1.$onSuccess(SearchableListModel.java:878) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel$SetItemsAsyncQuery$1.onSuccess(SearchableListModel.java:878) at org.ovirt.engine.ui.frontend.Frontend$1.$onSuccess(Frontend.java:239) at org.ovirt.engine.ui.frontend.Frontend$1.onSuccess(Frontend.java:239) at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.$onSuccess(OperationProcessor.java:133) at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.onSuccess(OperationProcessor.java:133) at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.$onSuccess(GWTRPCCommunicationProvider.java:270) at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.onSuccess(GWTRPCCommunicationProvider.java:270) at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:198) at com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:233) at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:409) at Unknown.eval(webadmin-0.js) at com.google.gwt.core.client.impl.Impl.apply(Impl.java:306) at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:345) at Unknown.eval(webadmin-0.js) *David Johnson*

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Re: oVirt 4.5 self-hosted network not working
by Paul-Erik Törrönen 05 Oct '22

05 Oct '22

On 2022-08-25 22:56, Facundo Badaracco wrote: > Have u checked the IP of the engine VM? Yes. It is what I configured during the setup, and which I use when I ssh from the host to the engine VM. Sorry, I should have mentioned this in my previous message. Poltsi

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oVirt 4.5.2 /var growing rapidly due to ovirt_engine_history db
by sohail_akhter3＠hotmail.com 05 Oct '22

05 Oct '22

Hi, We have recently upgrade our oVirt environment to 4.5.2 version. Environment is based on hosted-engine. Since we have upgrade we noticed rapid incrase in /var partition in engine VM. It is increasing very rapidly. If we vacuum ovirt_engine_history db, /var size reduces but next day size will increase again upto 5-10%. We did db vacuuming couple of time but not sure we it is increasing so rapidly. Here is the partial output of vacuuming that was done on 26-08-22. Table "host_interface_hourly_history" had more entries to be removed. Rest of the table had not much entries. Previously table "host_interface_samples_history" had entries to be removed. Any Idea what can be the reason for that? # dwh-vacuum -f -v SELECT pg_catalog.set_config('search_path', '', false); vacuumdb: vacuuming database "ovirt_engine_history" RESET search_path; SELECT c.relname, ns.nspname FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace ns ON c.relnamespace OPERATOR(pg_catalog.=) ns.oid LEFT JOIN pg_catalog.pg_class t ON c.reltoastrelid OPERATOR(pg_catalog.=) t.oid WHERE c.relkind OPERATOR(pg_catalog.=) ANY (array['r', 'm']) ORDER BY c.relpages DESC; SELECT pg_catalog.set_config('search_path', '', false); VACUUM (FULL, VERBOSE) public.host_interface_samples_history; INFO: vacuuming "public.host_interface_samples_history" INFO: "host_interface_samples_history": found 3135 removable, 84609901 nonremovable row versions in 1564960 pages DETAIL: 0 dead row versions cannot be removed yet. CPU: user: 41.88 s, system: 14.93 s, elapsed: 422.83 s. VACUUM (FULL, VERBOSE) public.host_interface_hourly_history; INFO: vacuuming "public.host_interface_hourly_history" INFO: "host_interface_hourly_history": found 252422 removable, 39904650 nonremovable row versions in 473269 pages Please let me know if any further information is required. Regards Sohail

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