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Re: Agentless backup solutions
by Strahil 08 Aug '19

08 Aug '19

I had corruption of the Hosted Engine due to a power failiure of all hosts (Gluster). My lab has no UPS. You can create a snapshot via API , backup the snapshot and then delete it via the API while the VM is working (no downtime). Still, this approach won't work for Databases as you can create the snapahot in the middle of a transaction. Best Regards, Strahil NikolovOn Aug 7, 2019 20:33, Douglas Duckworth <dod2014(a)med.cornell.edu> wrote: > > Hi > > > We are running oVirt 4.2.8.2-1.el7. Should probably upgrade but it works. > > > We are backing up the engine every day with dump going to external NFS file system then onto the cloud. For VMs we are doing backups within Linux itself using a program called Restic which then sends data to cloud S3 service. That runs daily as well. > > > We also save all configuration data, for applications running on our VMs such as Apache, etc, within Ansible. So we can quickly recreate the VM using Ansible, along with any applications, then restore any data, not saved in Ansible, such as private PKI keys or PostgreSQL dump, for example, from Restic. Dockerized applications even easier. There would be some downtime to redeploy a new VM but this is acceptable given the constrains of our environment. > > > I am wondering under what situations has anyone experienced VM corruption? This would help me determine if more effort should be invested in snapshotting VMs and possibly exporting their disks. Though as I recall removing snapshots from my storage domain would require shutting down the VM, right? > > > -- > Thanks, > > Douglas Duckworth, MSc, LFCS > HPC System Administrator > Scientific Computing Unithttps://github.com/restic/restic

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Ovirt 4.3.5.4-1.el7 noVNC keeps disconnecting with 1006
by Strahil Nikolov 08 Aug '19

08 Aug '19

Hello Community, did anyone experience disconnects after a minute or 2 (seems random ,but I will check it out) with error code 1006 ?Can someone with noVNC reproduce that behaviour ? As I manage to connect, it seems strange to me to loose connection like that. The VM was not migrated - so it should be something else. Best Regards,Strahil Nikolov

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[ANN] oVirt 4.3.6 Second Release Candidate is now available for testing
by Sandro Bonazzola 08 Aug '19

08 Aug '19

The oVirt Project is pleased to announce the availability of the oVirt 4.3.6 Second Release Candidate for testing, as of August 8th, 2019. This update is a release candidate of the sixth in a series of stabilization updates to the 4.3 series. This is pre-release software. This pre-release should not to be used in production. This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 7.7 or later (but <8) * CentOS Linux (or similar) 7.7 or later (but <8) This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 7.7 or later (but <8) * CentOS Linux (or similar) 7.7 or later (but <8) * oVirt Node 4.3 (available for x86_64 only) See the release notes [1] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance is already available - oVirt Node is not yet available, pending CentOS 7.7 release to be available Additional Resources: * Read more about the oVirt 4.3.6 release highlights: http://www.ovirt.org/release/4.3.6/ * 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/4.3.6/ -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/>*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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RFE: Add the ability to the engine to serve as a fencing proxy
by Sandro E 08 Aug '19

08 Aug '19

Hi, i hope that this hits the right people i found an RFE (Bug 1373957) which would be a realy nice feature for my company as we have to request firewall rules for every new host and this ends up in a lot of mess and work. Is there any change that this RFE gets implemented ? Thanks for any help or tips BR, Sandro

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Removing VDSM dependency on multipath driver.
by amit1.kumar＠intel.com 08 Aug '19

08 Aug '19

Hi All, I observed that for FCP storage domain only mpath enabled drives are getting listed, for e.g. if we have local nvme drives attached to the VDSM host, only mpath enabled nvme drives are getting listed in the ovirt engine for FCP storage domain. Actually I am creating a RAID (using mdadm tool, software raid) on two local nvme drives and wanted to expose it to the Ovirt engine through FCP storage domain, is it possible? or can we bypass multipath in FCP storage domain so that all the block device can be listed in the ovirt engine for FCP storage domain? Thanks, Amit

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Agentless backup solutions
by femi adegoke 07 Aug '19

07 Aug '19

What backup solutions are people using? I'm only interested in host-level backups (no agents in the vm's) I am aware of the following products: https://storware.eu/en/storware-vprotect/ https://github.com/zipurman/oVIRT_Simple_Backup https://www.sepusa.com/ Any others?

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oVirt 4.3.5.1 failed to configure management network on the host
by Mitja Pirih 07 Aug '19

07 Aug '19

Hi, I am trying to deploy hosted engine on Ovirt Node 4.3.5.1 and I am getting: ovirt failed to configure management network on the host. I am pretty sure the problem lies in my network config that is actually working quite nice. My current network config is: team0: - Switch1: bond0 (LACP): eno1,eno3 - Switch2: bond1 (LACP): eno2,eno4 Switch1 and switch2 are interconnected by a different LAG group. Current network config was tested against all kinds of failures, nic port failure, switch failure...etc...and it works. Although I am open to suggestions how to implement high availability with high throughput. By default on hosted engine deployment team0 is selected as bridge interface. Br, Mitja Logs: === supervdsm.log: https://pastebin.com/raw/bijW7uhi === vdsm.log part1: https://pastebin.com/raw/BYGsieCw === vdsm.log part2: https://pastebin.com/raw/rgzQCDjw

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distribute storage domains
by Jason M. Stallings 07 Aug '19

07 Aug '19

Hello I'm trying to figure out a way to automatically distribute our storage domain occupation evenly or at least avoid them getting full. We have a lot of users creating vms and they seem to select the first available storage domain, thus one is nearly full and the rest are barely used. Is there a way to accomplish that? Thank you Jason

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Not able to import vm from kvm host
by Crazy Ayansh 07 Aug '19

07 Aug '19

Hi Team, I am trying to convert/import few vm from KVM to ovirt but i am getting below error message. Aug 7 15:56:11 IONDELSVR46 journal: authentication failed: Failed to start SASL negotiation: -20 (SASL(-13): user not found: unable to canonify user and get auxprops) Aug 7 15:56:11 IONDELSVR46 journal: authentication failed: authentication failed Please help! Thanks Shashank

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(no subject)
by Crazy Ayansh 07 Aug '19

07 Aug '19

Hi Team, I am trying to convert/import few vm from KVM to ovirt but i am getting below error message. Aug 7 15:56:11 IONDELSVR46 journal: authentication failed: Failed to start SASL negotiation: -20 (SASL(-13): user not found: unable to canonify user and get auxprops) Aug 7 15:56:11 IONDELSVR46 journal: authentication failed: authentication failed Please help! Thanks Shashank

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