October 2018 - Users - Ovirt List Archives

Tutorial for beginners:: oVirt - how to add 2nd (DMZ) net interface for VMs

by Andrei Verovski

Hi, I made another short video tutorial (slide show with screenshots and instruction) for beginners. Explains how to add additional network interfaces (e.g. DMZ) to virtual machines running under oVirt/KVM. https://youtu.be/ij4uMv9N1wo Best when viewed in full-screen mode at 1080p resolution for clear text on screenshots. with best regards Andrei

5 years, 6 months

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cli

by suporte＠logicworks.pt

Hi, How can I list all VMs on the CLI? Thanks -- Jose Ferradeira http://www.logicworks.pt

5 years, 6 months

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clear tasks from WebUI

by David David

Hi oVirt 4.2.5.2-1.el7 I tried to delete an Illegal vm disk and that failed. Then I completely remove the VM who had that broken disk. But task is stuck in the WebUI from my previous disk deletion attempt vdsm-client Host getAllTasksInfo on the SPM host, shows no tasks. How do I clear the tasks from the WebUI?

5 years, 6 months

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[ANN] oVirt 4.2.7 Fourth Release Candidate is now available

by Sandro Bonazzola

The oVirt Project is pleased to announce the availability of the oVirt 4.2.7 Fourth Release Candidate, as of October 24th, 2018. This update is a release candidate of the seventh in a series of stabilization updates to the 4.2 series. This is pre-release software. This pre-release should not to be used in production. This release is available now for: * Red Hat Enterprise Linux 7.5 or later * CentOS Linux (or similar) 7.5 or later This release supports Hypervisor Hosts running: * Red Hat Enterprise Linux 7.5 or later * CentOS Linux (or similar) 7.5 or later See the release notes [1] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance is available - oVirt Node is available [2] - oVirt Tools Setup ISO is available[2] Additional Resources: * Read more about the oVirt 4.2.7 release highlights: http://www.ovirt.org/release/4.2.7/ * 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/4.2.7/ [2] http://resources.ovirt.org/pub/ovirt-4.2-pre/iso/ -- SANDRO BONAZZOLA MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://red.ht/sig> <https://www.redhat.com/en/events/red-hat-open-source-day-italia?sc_cid=70...>

5 years, 6 months

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high load on hosts

by Jayme

I'm wondering how I can best limit the ability of VMs to overrun the load on hosts. I have a fairly stock 4.2 HCI setup with three well spec'ed servers, 10Gbe/SSDs, plenty of ram and CPU with only a hand full of light use VMs. I notice when the occasional demanding job is run on a VM I'm seeing load average on host node shoot up in to the 20-30s, how can a single "medium" vm cause host load to rise so high?

5 years, 6 months

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Choosing optimal vdo Write policy on LSI Raid device that always report write-trough to the OS

by guillaume.pavese＠interact-iv.com

Hi, I am evaluating vdo for an hyperconverged ovirt cluster. The volume is on RAID device supported by a LSI (Dell Perc H710) controller with Write Back cache enabled : Current Cache Policy: WriteBack, ReadAdaptive, Cached, Write Cache OK However these LSI controllers (all PERC series on Dell servers), as per documentation, always report cache policy as writethrough to the OS, no matter if write back is effectively enabled or not : cat /sys/block/sdb/device/scsi_disk/0\:2\:1\:0/cache_type write through vdo by default choose its write policy (sync or async) accoring to the cache mode reported by the disk. So with cache policy auto, in that case it is set to "sync" : write policy: sync So my question : In this configuration, write cache enabled on the raid controller but reported as write trhough to the os, should I manually set vdo cache policy to async for optimal performance? Thanks for your help

5 years, 6 months

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Re: kvm import failed with error: Operation not supported: peeking is supported only for RAW disks

by Karli Sjöberg

5 years, 6 months

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Ovirt 4.2 rpm glusterfs-gnfs w/ gluster 4.1

by TomK

Hey All, Is there a newer package of glusterfs-gnfs available for GlusterFS 4.1? After upgrading to GlusterFS 4.1, all the hosts are now disconnected from the Ovirt engine. I'm on CentOS 7.5: ---> Package kmod-kvdo.x86_64 0:6.1.0.181-17.el7_5 will be installed ---> Package mokutil.x86_64 0:12-2.el7 will be installed ---> Package python-imgbased.noarch 0:1.0.24-1.el7 will be installed ---> Package vdo.x86_64 0:6.1.0.168-18 will be installed --> Finished Dependency Resolution Error: Package: glusterfs-gnfs-3.12.15-1.el7.x86_64 (ovirt-4.2-centos-gluster312) Requires: glusterfs-client-xlators(x86-64) = 3.12.15-1.el7 Installed: glusterfs-client-xlators-4.1.5-1.el7.x86_64 (@centos-gluster41) glusterfs-client-xlators(x86-64) = 4.1.5-1.el7 Available: glusterfs-client-xlators-3.8.4-53.el7.centos.x86_64 (base) glusterfs-client-xlators(x86-64) = 3.8.4-53.el7.centos Available: glusterfs-client-xlators-3.8.4-54.15.el7.centos.x86_64 (updates) glusterfs-client-xlators(x86-64) = 3.8.4-54.15.el7.centos -- Cheers, Tom K. ------------------------------------------------------------------------------------- Living on earth is expensive, but it includes a free trip around the sun. [root@mdskvm-p02 yum.repos.d]# yum info glusterfs-gnfs Loaded plugins: enabled_repos_upload, fastestmirror, package_upload, product-id, search-disabled-repos, subscription-manager, vdsmupgrade This system is not registered with an entitlement server. You can use subscription-manager to register. Loading mirror speeds from cached hostfile * base: mirror.csclub.uwaterloo.ca * epel: mirror.csclub.uwaterloo.ca * extras: mirror.csclub.uwaterloo.ca * ovirt-4.2: mirrors.rit.edu * ovirt-4.2-epel: mirror.csclub.uwaterloo.ca * updates: mirror.csclub.uwaterloo.ca Available Packages Name : glusterfs-gnfs Arch : x86_64 Version : 3.12.15 Release : 1.el7 Size : 166 k Repo : ovirt-4.2-centos-gluster312/x86_64 Summary : GlusterFS gNFS server URL : http://gluster.readthedocs.io/en/latest/ License : GPLv2 or LGPLv3+ Description : GlusterFS is a distributed file-system capable of scaling to several : petabytes. It aggregates various storage bricks over Infiniband RDMA : or TCP/IP interconnect into one large parallel network file : system. GlusterFS is one of the most sophisticated file systems in : terms of features and extensibility. It borrows a powerful concept : called Translators from GNU Hurd kernel. Much of the code in GlusterFS : is in user space and easily manageable. : : This package provides the glusterfs legacy gNFS server xlator

5 years, 6 months

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Import VM from VMware OVA

by Hari Prasanth Loganathan

Hi Team, 1) I exported a ovf file from VMware 2) I converted the ovf file to ova using ovftool successfully. 3) I imported the ova using the VM Import -> VMware appliance OVA -> provided the path of the ova (copied in ovirt location) 4) VM is successfully imported into the ovirt and I see the disk is also successfully imported BUT the disk is stored as image disk, What is the possible way to import the VM (as mentioned above) and store the disk as Cinder disk (currently always it is storing as image disk type) Any help is much appreciated. Thanks, Hari -- DISCLAIMER - *MSysTechnologies LLC* This email message, contents and its attachments may contain confidential, proprietary or legally privileged information and is intended solely for the use of the individual or entity to whom it is actually intended. If you have erroneously received this message, please permanently delete it immediately and notify the sender. If you are not the intended recipient of the email message,you are notified strictly not to disseminate,distribute or copy this e-mail.E-mail transmission cannot be guaranteed to be secure or error-free as Information could be intercepted, corrupted, lost, destroyed, incomplete or contain viruses and MSysTechnologies LLC accepts no liability for the contents and integrity of this mail or for any damage caused by the limitations of the e-mail transmission.

5 years, 6 months

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Re: cloud-init behaviour after reboot and growpart [update : BUG]

by Karli Sjöberg

5 years, 6 months

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Users October 2018