- Users - oVirt List Archives

Scheduling daily Snapshot
by Jason Lelievre 08 Dec '17

08 Dec '17

Hello, What is the best way to set up a daily live snapshot for all VM, and have the possibility to recover, for example, a specific VM to a specific day? I use a Hyperconverged Infrastructure with 3 nodes, gluster storage. Thank you,

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slow performance with export storage on glusterfs
by Jiří Sléžka 08 Dec '17

08 Dec '17

This is a cryptographically signed message in MIME format. --------------ms020509020901010502070100 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi, I am trying realize why is exporting of vm to export storage on glusterfs such slow. I am using oVirt and RHV, both instalations on version 4.1.7. Hosts have dedicated nics for rhevm network - 1gbps, data storage itself is on FC. GlusterFS cluster lives separate on 4 dedicated hosts. It has slow disks but I can achieve about 200-400mbit throughput in other applications (we are using it for "cold" data, backups mostly). I am using this glusterfs cluster as backend for export storage. When I am exporting vm I can see only about 60-80mbit throughput. What could be the bottleneck here? Could it be qemu-img utility? vdsm 97739 0.3 0.0 354212 29148 ? 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Best practice for iSCSI storage domains
by Richard Chan 07 Dec '17

07 Dec '17

What is the best practice for iSCSI storage domains: Many small targets vs a few large targets? Specific example: if you wanted a 8TB storage domain would you prepare a single 8TB LUN or (for example) 8 x 1 TB LUNs. -- Richard Chan

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Failed Install - oVirt Node "ovirt-node-ng-installer-ovirt-4.1-2017120607"
by andreil1 07 Dec '17

07 Dec '17

Hi, I have strange error of oVrt node install "ovirt-node-ng-installer-ovirt-4.1-2017120607” on HP ProLiant ML350 G6 with hardware RAID5 3.6TB just after startup and language selection: anaconda 21.48.22.121-1 traceback … …./parted/disk.py, line 246 in add partition …. partition exception: unable to satisfy all constraints on the partition I started this server with OpenSuSE Leap 42.3 DVD, RAID 5 volume is being seen correctly by partitioner as unformatted. Installing CentOS 7 results in same error when automatic partitioning selected. May be for whatever reason installer can’t load “hpsa” module ? How to solve this problem ? Thanks in advance Andrei

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critical production issue for a vm
by Nathanaël Blanchet 07 Dec '17

07 Dec '17

Hi all, I'm about to lose one very important vm. I shut down this vm for maintenance and then I moved the four disks to a new created lun. This vm has 2 snapshots. After successful move, the vm refuses to start with this message: Bad volume specification {u'index': 0, u'domainID': u'961ea94a-aced-4dd0-a9f0-266ce1810177', 'reqsize': '0', u'format': u'cow', u'bootOrder': u'1', u'discard': False, u'volumeID': u'a0b6d5cb-db1e-4c25-aaaf-1bbee142c60b', 'apparentsize': '2147483648', u'imageID': u'4a95614e-bf1d-407c-aa72-2df414abcb7a', u'specParams': {}, u'readonly': u'false', u'iface': u'virtio', u'optional': u'false', u'deviceId': u'4a95614e-bf1d-407c-aa72-2df414abcb7a', 'truesize': '2147483648', u'poolID': u'48ca3019-9dbf-4ef3-98e9-08105d396350', u'device': u'disk', u'shared': u'false', u'propagateErrors': u'off', u'type': u'disk'}. I tried to merge the snaphots, export , clone from snapshot, copy disks, or deactivate disks and every action fails when it is about disk. I began to dd lv group to get a new vm intended to a standalone libvirt/kvm, the vm quite boots up but it is an outdated version before the first snapshot. There is a lot of disks when doing a "lvs | grep 961ea94a" supposed to be disks snapshots. Which of them must I choose to get the last vm before shutting down? I'm not used to deal snapshot with virsh/libvirt, so some help will be much appreciated. Is there some unknown command to recover this vm into ovirt? Thank you in advance. -- Nathanaël Blanchet Supervision réseau Pôle Infrastrutures Informatiques 227 avenue Professeur-Jean-Louis-Viala 34193 MONTPELLIER CEDEX 5 Tél. 33 (0)4 67 54 84 55 Fax 33 (0)4 67 54 84 14 blanchet(a)abes.fr

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[ovirt-devel] FOSDEM 2018 - CFP is almost closed!
by Piotr Kliczewski 07 Dec '17

07 Dec '17

All, FOSDEM 18's Virt and IaaS CFP ends today at midnight UTC. This is your last chance to submit your session, so do not wait any longer. You can find more details in [1]. Thanks, Piotr [1] https://www.ovirt.org/blog/2017/10/come-to-fosdem-event/

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Host ovritnode1 installation failed. Command returned failure code 1 during SSH session 'root@X.X.X.X'.
by fung jacky 07 Dec '17

07 Dec '17

hi, I encountered a problem. I am getting an error when adding a host to ovirt-engine:Host ovritnode1 installation failed. Command returned failure code 1 during SSH session ' root(a)192.168.1.152'. PS: all user and password is correct. I checked engine log, the information is as follows: 2017-12-06 18:58:52,995-05 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) [617b92e4] EVENT_ID: VDS_INSTALL_IN_PROGRESS(509), Correlation ID: 617b92e4, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: Installing Host ovirtnode1. Stage: Environment setup. 2017-12-06 18:58:53,029-05 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) [617b92e4] EVENT_ID: VDS_INSTALL_IN_PROGRESS(509), Correlation ID: 617b92e4, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: Installing Host ovirtnode1. Stage: Environment packages setup. 2017-12-06 18:59:22,974-05 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) [617b92e4] EVENT_ID: VDS_INSTALL_IN_PROGRESS_ERROR(511), Correlation ID: 617b92e4, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: *Failed to install Host ovirtnode1. Yum Cannot queue package iproute: Cannot retrieve metalink for repository: ovirt-4.1-epel/x86_64. Please verify its path and try again.* 2017-12-06 18:59:22,999-05 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) [617b92e4] EVENT_ID: VDS_INSTALL_IN_PROGRESS_ERROR(511), Correlation ID: 617b92e4, Call Stack: null, Custom ID: null, Custom Event ID: -1, Message: *Failed to install Host ovirtnode1. Failed to execute stage 'Environment packages setup': Cannot retrieve metalink for repository: ovirt-4.1-epel/x86_64. Please verify its path and try again.* How to solve this problem, please help analyze, thank you!

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[ANN] oVirt 4.2.0 First Candidate Release is now available for testing
by Sandro Bonazzola 07 Dec '17

07 Dec '17

The oVirt Project is pleased to announce the availability of the First Candidate Release of oVirt 4.2.0, as of December 5th, 2017 This is pre-release software. This pre-release should not to be used in production. Please take a look at our community page[1] to learn how to ask questions and interact with developers and users. All issues or bugs should be reported via oVirt Bugzilla[2]. This update is the first candidate release of the 4.2.0 version. This release brings more than 280 enhancements and more than one thousand bug fixes, including more than 500 high or urgent severity fixes, on top of oVirt 4.1 series. What's new in oVirt 4.2.0? - The Administration Portal has been completely redesigned using Patternfly, a widely adopted standard in web application design. It now features a cleaner, more intuitive design, for an improved user experience. - There is an all-new VM Portal for non-admin users. - A new High Performance virtual machine type has been added to the New VM dialog box in the Administration Portal. - Open Virtual Network (OVN) adds support for Open vSwitch software defined networking (SDN). - oVirt now supports Nvidia vGPU. - The ovirt-ansible-roles set of packages help users with common administration tasks. - Virt-v2v now supports Debian/Ubuntu based VMs. For more information about these and other features, check out the oVirt 4.2.0 blog post <https://ovirt.org/blog/2017/11/introducing-ovirt-4.2.0-beta/> and stay tuned for further blog post. This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 7.4 or later * CentOS Linux (or similar) 7.4 or later This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 7.4 or later * CentOS Linux (or similar) 7.4 or later * oVirt Node 4.2 (available for x86_64 only) See the release notes draft [3] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance is already available. - oVirt Node is already available [4] Additional Resources: * Read more about the oVirt 4.2.0 release highlights: http://www.ovirt.org/release/4.2.0/ * 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] https://www.ovirt.org/community/ [2] https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt [3] http://www.ovirt.org/release/4.2.0/ [4] http://resources.ovirt.org/pub/ovirt-4.2-pre/iso/ -- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

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how to setup image-io-proxy after initially disabling it
by Gianluca Cecchi 06 Dec '17

06 Dec '17

Hello, I'm on oVirt 4.1.7, the latest in 4.1 right now. Initially in engine-setup when prompted I set Image I/O Proxy to false. Configure Image I/O Proxy : False Now instead I would like to enable it, but if I run engine-setup I can't find a way to do it. I can only confirm the settings in a whole or exit the setup... How can I do? Currently I have these packages already installed on the system ovirt-imageio-proxy-setup-1.0.0-0.201701151456.git89ae3b4.el7.centos.noarch ovirt-imageio-proxy-1.0.0-0.201701151456.git89ae3b4.el7.centos.noarch and [root@ovirt ~]# systemctl status ovirt-imageio-proxy ● ovirt-imageio-proxy.service - oVirt ImageIO Proxy Loaded: loaded (/usr/lib/systemd/system/ovirt-imageio-proxy.service; disabled; vendor preset: disabled) Active: inactive (dead) [root@ovirt ~]# Can I simply and manually enable/start the service through systemctl commands? The same question arises in case I had not / had enabled VMConsole Proxy and/or WebSocket Proxy during install and in a second time I want to enable / diable them. Thanks, Gianluca

3 9

Logical network setup with neutron
by Lakshmi Narasimhan Sundararajan 06 Dec '17

06 Dec '17

Hi Team, I am looking at integrating openstack neutron with oVirt. Reading the docs so far, and through my setup experiments, I can see that oVirt and neutron do seem to understand each other. But I need some helpful pointers to help me understand a few items during configuration. 1) During External Provider registration, a) although openstack keystone is currently supporting v3 api endpoints, only configuring v2 works. I see an exception otherwise.I have a feeling only v2 auth is supported with oVirt. b) Interface mappings. This I believe is a way for logical networks to switch/route traffic back to physical networks. This is of the form label:interface. Where label is placed on each Hosts network setting to point to the right physical interface. I did map label "red" when I setup Host networks to a physical Nic. And used "red:br-red, green:br-green" here, wherein my intention is to create a bridge br-red on each Host for this logical network and switch/route packets over the "red" label mapped physical nic on each host. And every vm attached to "red" logical network shall have a vnic placed on "br-red" Is my understanding correct? 2) Now I finally create a logical network using external provider "openstack neutron". Herein "Physical Network" parameter that I totally do not understand. If the registration were to have many interface mappings, is this a way of pinning to the right interface? I cannot choose, red, red:br-red... I can only leave it empty, So what is the IP address of the physical address argument part of logical network creation? "Optionally select the Create on external provider check box. Select the External Provider from the drop-down list and provide the IP address of the Physical Network". What this field means? I would appreciate some clarity and helpful pointers here. Best regards -- DISCLAIMER The information in this e-mail is confidential and may be subject to legal privilege. It is intended solely for the addressee. Access to this e-mail by anyone else is unauthorized. If you have received this communication in error, please address with the subject heading "Received in error," send to it(a)msystechnologies.com, then delete the e-mail and destroy any copies of it. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. The views, opinions, conclusions and other information expressed in this electronic mail and any attachments are not given or endorsed by the company unless otherwise indicated by an authorized representative independent of this message. MSys cannot guarantee that e-mail communications are secure or error-free, as information could be intercepted, corrupted, amended, lost, destroyed, arrive late or incomplete, or contain viruses, though all reasonable precautions have been taken to ensure no viruses are present in this e-mail. As our company cannot accept responsibility for any loss or damage arising from the use of this e-mail or attachments we recommend that you subject these to your virus checking procedures prior to use

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