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node down due to gluster storage
by suporte＠logicworks.pt 05 May '20

05 May '20

Hello, I'm running an ovirt 2 nodes and 2 gluster storages. The second gluster sotrage is down due to an hardware problem The node 1 is allways trying to connect to the second storage and does not come up. I'm running 4.3.6 version Any idea? thanks -- Jose Ferradeira http://www.logicworks.pt

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Gluster deployment fails with missing UUID
by Shareef Jalloq 05 May '20

05 May '20

Hi, I'm running the gluster deployment flow and am trying to use a second drive as the gluster volume. It's /dev/sdb on each node and I'm using the JBOD mode. I'm seeing the following gluster ansible task fail and a google search doesn't bring up much. TASK [gluster.infra/roles/backend_setup : Create volume groups] **************** failed: [ovirt-gluster-01.jalloq.co.uk] (item={u'vgname': u'gluster_vg_sdb', u'pvname': u'/dev/sdb'}) => {"ansible_loop_var": "item", "changed": false, "err": " Couldn't find device with uuid Y8FVs8-LP6w-R6CR-Yosh-c40j-17XP-ttP3Np.\n Couldn't find device with uuid tA4lpO-hM9f-S8ci-BdPh-lTve-0Rh1-3Bcsfy.\n Couldn't find device with uuid RG3w6j-yrxn-2iMw-ngd0-HgMS-i5dP-CGjaRk.\n Couldn't find device with uuid lQV02e-TUZE-PXCd-GWEd-eGqe-c2xC-pauHG7.\n Device /dev/sdb excluded by a filter.\n", "item": {"pvname": "/dev/sdb", "vgname": "gluster_vg_sdb"}, "msg": "Creating physical volume '/dev/sdb' failed", "rc": 5}

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stty: standard tty: inappropriate ioctl for device
by Charles Kozler 05 May '20

05 May '20

I'd like to share this with the list because its something that I changed for convenience, in .bashrc, but had a not so obvious rippling impact on the ovirt self hosted installer. I could imagine a few others doing this too and I'd rather save future them hours of google time Every install failed no matter what and it was always at the SSO step to revoke token (here: https://github.com/machacekondra/ansible/blob/71547905fab67a876450f95c9ca71…) and then reissue new token but the engine log yielded different information. The SSO failure was a red herring engine.log:2020-05-04 22:09:17,150-04 ERROR [org.ovirt.engine.core.bll.hostdeploy.InstallVdsInternalCommand] (EE-ManagedThreadFactory-engine-Thread-1) [61038b68] Host installation failed for host '672be551-9259-4d2d-823d-07f586b4e0f1', 'node1': Unexpected error during execution: stty: standard input: Inappropriate ioctl for device engine.log:2020-05-04 22:09:17,145-04 ERROR [org.ovirt.engine.core.uutils.ssh.SSHDialog] (EE-ManagedThreadFactory-engine-Thread-1) [61038b68] SSH error running command root@node1:'umask 0077; MYTMP="$(TMPDIR="${OVIRT_TMPDIR}" mktemp -d -t ovirt-XXXXXXXXXX)"; trap "chmod -R u+rwX \"${MYTMP}\" > /dev/null 2>&1; rm -fr \"${MYTMP}\" > /dev/null 2>&1" 0; tar --warning=no-timestamp -C "${MYTMP}" -x && "${MYTMP}"/ovirt-host-deploy DIALOG/dialect=str:machine DIALOG/customization=bool:True': RuntimeException: Unexpected error during execution: stty: standard input: Inappropriate ioctl for device I was on the hunt for this for the better part of 2 days or so, because who else has anything to do during quarantine, wracking my brain and trying everything to figure out what was going on Well, it was my own fault # cat .bashrc | grep -i stty stty erase ^? With this set in the .bashrc of the node I was running the installer via cockpit from, ovirt installer will fail to install This was set for convenience to have backspace work in vim since at some point it stopped working for me Should I file this as a bug? The message generated is more of a warning then a failure but I do not know the internals of ovirt like that. Commands still actually execute fine ovirt-engine(a)192.168.222.84) # ssh 10.0.16.221 "uptime" root(a)10.0.16.221's password: stty: standard input: Inappropriate ioctl for device 22:30:01 up 22:45, 2 users, load average: 0.80, 0.62, 0.80 One thing I think should be called out in the docs, and called out very loud, is that the entire ovirt installer expects a clean 110% machine that is done right after install and provided and IP and hostname. Its not that obvious, but it is now

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Sometimes VM fails to power on: device busy in adding vnet port
by Gianluca Cecchi 05 May '20

05 May '20

Hi, my environment info: centos-release.x86_64 7-7.1908.0.el7.centos glusterfs.x86_64 6.8-1.el7 ovirt-engine.noarch 4.3.9.4-1.el7 ovirt-release43.noarch 4.3.9-1.el7 I have an external agent (openstack staging_oviirt) that powers on/off VMs during bulk install. See also here some other details: https://lists.ovirt.org/archives/list/users@ovirt.org/thread/B4CDWTAR7YLRLR… I repeat many times the installation for test purposes and during these phases the application powers on (through ostacpm user) about 8 VMs in the same moment. Sometimes it happens that one or more of them fail to start and in web admin gui I see this kind of sequence of events: VM ostack-ceph2 was started by ostackpm@internal-authz (Host: ovirt.mydomain). User <UNKNOWN> got disconnected from VM ostack-ceph2. VM ostack-ceph2 is down with error. Exit message: Unable to add bridge vlan23 port vnet21: Device or resource busy. Failed to run VM ostack-ceph2 on Host ovirt.mydomain Failed to run VM ostack-ceph2 (User: ostackpm@internal-authz). Soon I press the start button from web admin gui and the VM powers on without problems. I think this kind of problem doesn't depend on the rest api agent. Could it be a sort of bug or concurrency of power on commands? If I grep VM UUID and name of the VM for the one above, I get this in engine.log: https://drive.google.com/file/d/1QsedDqvlbvVPCifDNted4ipSsJ2GeBJV/view?usp=… On ovirt host I see: 2020-05-04 10:16:05,491+0200 ERROR (vm/38f806e7) [virt.vm] (vmId='38f806e7-5c48-4ffe-90e8-671b1a585256') The vm start process failed (vm:934) Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 868, in _startUnderlyingVm self._run() File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 2895, in _run dom.createWithFlags(flags) File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 131, in wrapper ret = f(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 94, in wrapper return func(inst, *args, **kwargs) File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1110, in createWithFlags if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self) libvirtError: Unable to add bridge vlan23 port vnet21: Device or resource busy 2020-05-04 10:16:05,492+0200 INFO (vm/38f806e7) [virt.vm] (vmId='38f806e7-5c48-4ffe-90e8-671b1a585256') Changed state to Down: Unable to add bridge vlan23 port vnet21: Device or resource busy (code=1) (vm:1702) Let me know if you meed more information Gianluca

1 0

oVirt 4.4.0 Beta release refresh is now available for testing
by Sandro Bonazzola 03 May '20

03 May '20

oVirt 4.4.0 Beta release refresh is now available for testing The oVirt Project is excited to announce the availability of the beta release of oVirt 4.4.0 refresh (beta 4) for testing, as of April 17th, 2020 This release unleashes an altogether more powerful and flexible open source virtualization solution that encompasses hundreds of individual changes and a wide range of enhancements across the engine, storage, network, user interface, and analytics on top of oVirt 4.3. Important notes before you try it Please note this is a Beta release. The oVirt Project makes no guarantees as to its suitability or usefulness. This pre-release must not to be used in production. In particular, please note that upgrades from 4.3 and future upgrades from this beta to the final 4.4 release from this version are not supported. Some of the features included in oVirt 4.4.0 Beta require content that will be available in CentOS Linux 8.2 but can’t be tested on RHEL 8.2 beta yet due to some incompatibility in openvswitch package shipped in CentOS Virt SIG which requires to rebuild openvswitch on top of CentOS 8.2. Known Issues - ovirt-imageio development is still in progress. In this beta you can’t upload images to data domains using the engine web application. You can still copy iso images into the deprecated ISO domain for installing VMs or upload and download to/from data domains is fully functional via the REST API and SDK. For uploading and downloading via the SDK, please see: - https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/upload_d… - https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/download… Both scripts are standalone command line tool, try --help for more info. Installation instructions For the engine: either use appliance or: - Install CentOS Linux 8 minimal from http://centos.mirror.garr.it/centos/8.1.1911/isos/x86_64/CentOS-8.1.1911-x8… - dnf install https://resources.ovirt.org/pub/yum-repo/ovirt-release44-pre.rpm - dnf update (reboot if needed) - dnf module enable -y javapackages-tools pki-deps postgresql:12 - dnf install ovirt-engine - engine-setup For the nodes: Either use oVirt Node ISO or: - Install CentOS Linux 8 from http://centos.mirror.garr.it/centos/8.1.1911/isos/x86_64/CentOS-8.1.1911-x8… ; select minimal installation - dnf install https://resources.ovirt.org/pub/yum-repo/ovirt-release44-pre.rpm - dnf update (reboot if needed) - Attach the host to engine and let it be deployed. What’s new in oVirt 4.4.0 Beta? - Hypervisors based on CentOS Linux 8 (rebuilt from award winning RHEL8), for both oVirt Node and standalone CentOS Linux hosts - Easier network management and configuration flexibility with NetworkManager - VMs based on a more modern Q35 chipset with legacy seabios and UEFI firmware - Support for direct passthrough of local host disks to VMs - Live migration improvements for High Performance guests. - New Windows Guest tools installer based on WiX framework now moved to VirtioWin project - Dropped support for cluster level prior to 4.2 - Dropped SDK3 support - 4K disks support only for file based storage. iSCSI/FC storage do not support 4k disks yet. - Exporting a VM to a data domain - Editing of floating disks - Integrating ansible-runner into engine, which allows a more detailed monitoring of playbooks executed from engine - Adding/reinstalling hosts are now completely based on Ansible - The OpenStack Neutron Agent cannot be configured by oVirt anymore, it should be configured by TripleO instead This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 8.1 * CentOS Linux (or similar) 8.1 This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 8.1 * CentOS Linux (or similar) 8.1 * oVirt Node 4.4 based on CentOS Linux 8.1 (available for x86_64 only) See the release notes [1] for installation instructions and a list of new features and bugs fixed. If you manage more than one oVirt instance, OKD or RDO we also recommend to try ManageIQ <http://manageiq.org/>. In such a case, please be sure to take the qc2 image and not the ova image. Notes: - oVirt Appliance is already available for CentOS Linux 8 - oVirt Node NG is already available for CentOS Linux 8 Additional Resources: * Read more about the oVirt 4.4.0 release highlights: http://www.ovirt.org/release/4.4.0/ * Get more oVirt project updates on Twitter: https://twitter.com/ovirt * Check out the latest project news on the oVirt blog: http://www.ovirt.org/blog/ [1] http://www.ovirt.org/release/4.4.0/ [2] http://resources.ovirt.org/pub/ovirt-4.4-pre/iso/ -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/>* <https://www.redhat.com/en/summit?sc_cid=7013a000002D2QxAAK>* *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours.*

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Engine UI exception while viewing unattached hosts in Network tab
by Shareef Jalloq 03 May '20

03 May '20

Hi, I'm following the Gluster setup blog post ( https://blogs.ovirt.org/2018/02/up-and-running-with-ovirt-4-2-and-gluster-s…) and am at the 'Storage network' section. I've created a new 'gluster' network, selected the network and navigated to the 'Hosts' tab. The guide tells you to click the 'Unattached' button and then 'Setup Host Networks' for each host. However, clicking the 'Unattached' button fires off a bunch of exceptions rather than displaying my 3 hosts. The message is: "Uncaught exception occurred. Please try reloading the page. Details: (TypeError) : Cannot read property 'N' of null Please have your administrator check the UI logs" Anyone seen this before? Where is the UI log located? Shareef.

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Unable to remove system roles from Everyone group
by miguel.garcia＠toshibagcs.com 02 May '20

02 May '20

I opened Everyone group and added system role UserRole and realized now that everybody can see all VMS which is not good. I tried to remove the role from the group but got the error "Error while executing action: It's not allowed to remove system permissions assigned to built-in Everyone group" Looking into Ovirt forums I see that this change should be made through the engine database but I was not able to reach that part. Can someone help me out how to remove the system role from Everyone group? or at least reset the group?

2 1

Running Host on sudo user
by carl langlois 30 Apr '20

30 Apr '20

Hi, I was wandering if it is possible to run ovirt node using a sudo user instead of the root user? Let says i want or need to disable root ssh login.. Thanks and regards. Carl

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Can we agree on adding reference to version in help request email?
by Sandro Bonazzola 30 Apr '20

30 Apr '20

Hi, I was looking in the past 2 weeks email landing on this mailing list and a common thing I notice is that it's hard to understand which version of the involved software they're referring too. Can we agree on adding at the top of the message a couple of line like output of yum -q list installed centos-release ovirt-release\* ovirt-engine redhat-release vdsm glusterfs centos-release.x86_64 7-7.1908.0.el7.centos glusterfs.x86_64 6.8-1.el7 ovirt-engine.noarch 4.3.9.4-1.el7 ovirt-release43.noarch 4.3.9-1.el7 It will help understanding if the help request is something that may be already known, a regression, and so on. -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/>* <https://www.redhat.com/en/summit?sc_cid=7013a000002D2QxAAK>* *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours.*

3 2

Add custom Network Filter to oVirt
by Hendrik Peyerl 30 Apr '20

30 Apr '20

Hello all, can anyone give me a hint on where to find documentation on how to add custom created network filters through oVirt? Thanks, Hendrik

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