- Users - oVirt List Archives

Re: [ovirt-users] oVirt 4.0 wishlist: VDSM
by Giuseppe Ragusa 23 Nov '15

23 Nov '15

On Sat, Nov 21, 2015, at 13:59, Dan Kenigsberg wrote: > On Fri, Nov 20, 2015 at 01:54:35PM +0100, Giuseppe Ragusa wrote: > > Hi all, > > I go on with my wishlist, derived from both solitary mumblings and community talks at the the first Italian oVirt Meetup. > > > > I offer to help in coding (work/family schedules permitting) but keep in mind that I'm a sysadmin with mainly C and bash-scripting skills (but hoping to improve my less-than-newbie Python too...) > > > > I've sent separate wishlist messages for oVirt Node and Engine. > > > > VDSM: > > > > *) allow VDSM to configure/manage Samba, CTDB and Ganesha (specifically, I'm thinking of the GlusterFS integration); there are related wishlist items on configuring/managing Samba/CTDB/Ganesha on the Engine and on oVirt Node > > I'd apreciate a more detailed feature definition. Vdsm (and ovirt) try > to configure only thing that are needed for their own usage. What do you > want to control? When? You're welcome to draf a feature page prior to > coding the fix ;-) I was thinking of adding CIFS/NFSv4 functionality to an hyperconverged cluster (GlusterFS/oVirt) which would have separate volumes for virtual machines storage (one volume for the Engine and one for other vms, with no CIFS/NFSv4 capabilities offered) and for data shares (directly accessible by clients on LAN and obviously from local vms too). Think of it as a 3-node HA NetApp+VMware killer ;-) The UI idea (but that would be the Engine part, I understand) was along the lines of single-check enabling CIFS and/or NFSv4 sharing for a GlusterFS data volume, then optionally adding any further specific options (hosts allowed, users/groups for read/write access, network recycle_bin etc.); global Samba (domain/workgroup membership etc.) and CTDB (IPs/interfaces) configuration parameters would be needed too. I have no experience on a GaneshaNFS clustered/HA configuration with GlusterFS, but (from superficial skimming through docs) it seems that it was not possible at all before 2.2 and now it needs a full Pacemaker/Corosync setup too (contrary to the IBM-GPFS-backed case), so that could be a problem. This VDSM wishlist item was driven by the idea that all actions (and so future GlusterFS/Samba/CTDB too) performed by the Engine through the hosts/nodes were somehow "mediated" by VDSM and its API, but if this is not the case, then I retire my suggestion here and I will try to pursue it only on the Engine/Node side ;) Many thanks for your attention. Regards, Giuseppe > > *) add Open vSwitch direct support (not Neutron-mediated); there are related wishlist items on configuring/managing Open vSwitch on oVirt Node and on the Engine > > That's on our immediate roadmap. Soon, vdsm-hook-ovs would be ready for > testing. > > > > > *) add DRBD9 as a supported Storage Domain type; there are related wishlist items on configuring/managing DRBD9 on the Engine and on oVirt Node > > > > *) allow VDSM to configure/manage containers (maybe extend it by use of the LXC libvirt driver, similarly to the experimental work that has been put up to allow Xen vm management); there are related wishlist items on configuring/managing containers on the Engine and on oVirt Node > > > > *) add a VDSM_remote mode (for lack of a better name, but mainly inspired by pacemaker_remote) to be used inside a guest by the above mentioned container support (giving to the Engine the required visibility on the managed containers, but excluding the "virtual node" from power management and other unsuitable actions) > > > > Regards, > > Giuseppe > > > > _______________________________________________ > > Users mailing list > > Users(a)ovirt.org > > http://lists.ovirt.org/mailman/listinfo/users >

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FOSDEM16 Virt & IaaS Devroom CFP Extension, Speaker Mentoring, CoC
by Mikey Ariel 23 Nov '15

23 Nov '15

The CFP for the Virtualization & IaaS devroom at FOSDEM 2016 is in full swing, and we'd like to share a few updates with you: ------------------------- Speaker Mentoring Program ------------------------- As a part of the rising efforts to grow our communities and encourage a diverse and inclusive conference ecosystem, we're happy to announce that we'll be offering mentoring for newcomer speakers. Our mentors can help you with tasks such as reviewing your abstract, reviewing your presentation outline or slides, or practicing your talk with you. You may apply to the mentoring program as a newcomer speaker if you: * Never presented before or * Presented only lightning talks or * Presented full-length talks at small meetups (<50 ppl) Submission guidelines: * Mentored presentations will have 25-minute slots, where 20 minutes will include the presentation and 5 minutes will be reserved for questions. * The number of newcomer session slots is limited, so we will probably not be able to accept all applications. * You must submit your talk and abstract to apply for the mentoring program, our mentors are volunteering their time and will happily provide feedback but won't write your presentation for you! If you are experiencing problems with Pentabarf, the proposal submission interface, or have other questions, you can email iaas-virt-devroom at lists.fosdem.org and we will try to help you. How to apply: * Follow the same procedure to submit an abstract in Pentabarf as standard sessions. Instructions can be found in our original CFP announcement: http://community.redhat.com/blog/2015/10/call-for-proposals-fosdem16-virtua… * In addition to agreeing to video recording and confirming that you can attend FOSDEM in case your session is accepted, please write "speaker mentoring program application" in the "Submission notes" field, and list any prior speaking experience or other relevant information for your application. Call for mentors! Interested in mentoring newcomer speakers? We'd love to have your help! Please email iaas-virt-devroom at lists.fosdem.org with a short speaker bio and any specific fields of expertise (for example, KVM, OpenStack, storage, etc) so that we can match you with a newcomer speaker from a similar field. Estimated time investment can be as low as a 5-10 hours in total, usually distributed weekly or bi-weekly. Never mentored a newcomer speaker but interested to try? Our mentoring program coordinator will be happy to answer your questions and give you tips on how to optimize the mentoring process. Email us and we'll be happy to answer your questions! ------------------------- CFP Deadline Extension ------------------------- To help accommodate the newcomer speaker proposals, we have decided to extend the deadline for submitting proposals by one week. The new deadline is **TUESDAY, DECEMBER 8 @ midnight CET**. ------------------------- Code of Conduct ------------------------- Following the release of the updated code of conduct for FOSDEM[1], we'd like to remind all speakers and attendees that all of the presentations and discussions in our devroom are held under the guidelines set in the CoC and we expect attendees, speakers, and volunteers to follow the CoC at all times. If you submit a proposal and it is accepted, you will be required to confirm that you accept the FOSDEM CoC. If you have any questions about the CoC or wish to have one of the devroom organizers review your presentation slides or any other content for CoC compliance, please email iaas-virt-devroom at lists.fosdem.org and we will do our best to help you out. [1] https://www.fosdem.org/2016/practical/conduct/ -- Mikey Ariel Community Lead, oVirt www.ovirt.org "To be is to do" (Socrates) "To do is to be" (Jean-Paul Sartre) "Do be do be do" (Frank Sinatra) Mobile: +420-702-131-141 IRC: mariel / thatdocslady Twitter: @ThatDocsLady

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Cannot setup Networks. The address of the network 'NFS' cannot be modified
by Ihor Piddubnyak 23 Nov '15

23 Nov '15

Trying to change IP for VLAN interface attached to hypervisor, getting vhi2: Cannot setup Networks. The address of the network 'NFS' cannot be modified without reinstalling the host, since this address was used to create the host's certification. Host reinstall does not help. Any clue how to do it? -- Ihor Piddubnyak <ip(a)surftown.com> surftown a/s

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[3.6] User can't create a VM. No permission for EDIT_ADMIN_VM_PROPERTIES
by Maksim Naumov 23 Nov '15

23 Nov '15

Hello I faced with the problem. The user can;t create a VM. The user has PowerUserRole on Cluster. He tried to create a VM with a base template and had no success. Here some lines from log. Have no idea why it wants for EDIT_ADMIN_VM_PROPERTIES permission for user? 2015-11-20 16:42:10,888 DEBUG [org.ovirt.engine.core.bll.AddVmCommand] (default task-160) [2f0eb905] Checking whether user 'acc9ced5-a764-4d60-84d7-db4b4a498a18' or one of the groups he is member of, have the following permissions: ID: a303bbca-af20-4de5-9eff-01c52d3bf615 Type: VdsGroupsAction group CREATE_VM with role type USER, ID: 00000000-0000-0000-0000-000000000000 Type: VmTemplateAction group CREATE_VM with role type USER, ID: a303bbca-af20-4de5-9eff-01c52d3bf615 Type: VdsGroupsAction group EDIT_ADMIN_VM_PROPERTIES with role type ADMIN 2015-11-20 16:42:10,890 DEBUG [org.ovirt.engine.core.bll.AddVmCommand] (default task-160) [2f0eb905] Found permission '129c57bb-df56-4529-93d9-52db0265263f' for user when running 'AddVm', on 'Cluster' with id 'a303bbca-af20-4de5-9eff-01c52d3bf615' 2015-11-20 16:42:10,893 DEBUG [org.ovirt.engine.core.bll.AddVmCommand] (default task-160) [2f0eb905] Found permission '00000004-0004-0004-0004-000000000355' for user when running 'AddVm', on 'Template' with id '00000000-0000-0000-0000-000000000000' 2015-11-20 16:42:10,894 DEBUG [org.ovirt.engine.core.bll.AddVmCommand] (default task-160) [2f0eb905] No permission found for user when running action 'AddVm', on object 'Cluster' for action group 'EDIT_ADMIN_VM_PROPERTIES' with id 'a303bbca-af20-4de5-9eff-01c52d3bf615'. 2015-11-20 16:42:10,894 WARN [org.ovirt.engine.core.bll.AddVmCommand] (default task-160) [2f0eb905] CanDoAction of action 'AddVm' failed for user vincent.engel@hitmeister.de@hitmeister.de. Reasons: VAR__ACTION__ADD,VAR__TYPE__VM,USER_NOT_AUTHORIZED_TO_PERFORM_ACTION -- Maksim Naumov Hitmeister GmbH Softwareentwickler Habsburgerring 2 50674 Köln E: maksim.naumov(a)hitmeister.de www.hitmeister.de HRB 59046, Amtsgericht Köln Geschäftsführer: Dr. Gerald Schönbucher

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Re: [ovirt-users] Allowing a user to manage all machines in a pool
by Nicolás 23 Nov '15

23 Nov '15

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ZFS record size for oVirt
by Johan Kooijman 23 Nov '15

23 Nov '15

Hi all, I'm using an NFS storage domain, backed by a ZFS cluster. I need to deploy a new storage domain, what would the recommended record size be in this? -- Met vriendelijke groeten / With kind regards, Johan Kooijman

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3.6: GlusterFS data domain failover?
by Wee Sritippho 23 Nov '15

23 Nov '15

------5YHBUFYRT5GVBTR0JVW5A916EMFQ77 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Hi, My POC environment have 2 hosts - host A and host B, both are CentOS7. Installed oVirt 3.6 self-hosted engine. I manually created a 2-brick GlusterFS volume using both hosts and added it to my datacenter. I tried shutting down host A. The hosted-engine restarted in host B within 3 minutes, which is very cool. However, the GlusterFS data domain, which I set both 'Use Host' and 'Path' to the host A, is down along with it. Here comes my questions: 1. How can I enable failover GlusterFS data domain? 2. How can I reverse back to the state before adding the data domain? The data domain is super persistent - I can't edit or delete it. I put it to maintenance mode but still unable to detach or destroy it because it requires me to remove the datacenter first. I tried but can't remove the datacenter either. 3. Why can't I add another GlusterFS data domain? When I choose 'GlusterFS' as my 'Storage Type' every text field become grayed-out. 4. When host A restarted again, I notice that 'Use Host' was changed from host A to host B instead. Is this an expected behavior? Regards, Wee Sritippho P.S: Please excuse my poor English. ------5YHBUFYRT5GVBTR0JVW5A916EMFQ77 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Hi, My POC environment have 2 hosts - host A and host B, both are CentOS7. Installed oVirt 3.6 self-hosted engine. I manually created a 2-brick GlusterFS volume using both hosts and added it to my datacenter. I tried shutting down host A. The hosted-engine restarted in host B within 3 minutes, which is very cool. However, the GlusterFS data domain, which I set both 'Use Host' and 'Path' to the host A, is down along with it. Here comes my questions: 1. How can I enable failover GlusterFS data domain? 2. How can I reverse back to the state before adding the data domain? The data domain is super persistent - I can't edit or delete it. I put it to maintenance mode but still unable to detach or destroy it because it requires me to remove the datacenter first. I tried but can't remove the datacenter either. 3. Why can't I add another GlusterFS data domain? When I choose 'GlusterFS' as my 'Storage Type' every text field become grayed-out. 4. When host A restarted again, I notice that 'Use Host' was changed from host A to host B instead. Is this an expected behavior? Regards, Wee Sritippho P.S: Please excuse my poor English. ------5YHBUFYRT5GVBTR0JVW5A916EMFQ77--

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MAC OS
by Budur Nagaraju 23 Nov '15

23 Nov '15

HI Does oVirt supports Mac OS ? if so which option do I need to select under "operating system " . Thanks, Nagaraju

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report option gone missing
by Rik Theys 23 Nov '15

23 Nov '15

Hi, At some point I had the oVirt reporting configured on my engine and it worked. I had a "reports" option in the menu and could generate reports for various resources. At some point I've noticed that the "reports" option was no longer there but did not have time to investigate. I believe it happened when I migrated the engine host from CentOS 6 to 7 using engine-backup and restore. How can I debug this? In the ovirt-engine-dwh log I used to see the following error: Exception in component tJDBCRollback_4 org.postgresql.util.PSQLException: FATAL: terminating connection due to administrator command at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2157) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1886) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255) at org.postgresql.jdbc2.AbstractJdbc2Connection.executeTransactionCommand(AbstractJdbc2Connection.java:793) at org.postgresql.jdbc2.AbstractJdbc2Connection.rollback(AbstractJdbc2Connection.java:846) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.tJDBCRollback_4Process(HistoryETL.java:2079) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.tJDBCRollback_3Process(HistoryETL.java:1997) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.tJDBCRollback_2Process(HistoryETL.java:1882) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.tJDBCRollback_1Process(HistoryETL.java:1767) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.tPostjob_1Process(HistoryETL.java:1647) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.runJobInTOS(HistoryETL.java:10785) at ovirt_engine_dwh.historyetl_3_5.HistoryETL.main(HistoryETL.java:10277) 2015-11-19 15:42:02|rza8ri|rza8ri|rza8ri|OVIRT_ENGINE_DWH|HistoryETL|Default|6|Java Exception|tJDBCRollback_4|org.postgresql.util.PSQLException:FATAL: term But after rebooting the engine host it now only lists 'Service Started'. The ovirt-engine-reportsd is also running. Which of these two processes (reportsd vs dwhd) is generating the reports (and showing it in the engine admin interface)? In /var/log/ovirt-engine-reports, the reports.log file is empty, the server.log reports Deployed ovirt-engine-reports.war as the last line (without any obvious errors). Only jasperserver.log shows: 015-11-19 15:41:53,304 ERROR DiskStorageFactory,MSC service thread 1-2:948 - Could not flush disk cache. Initial cause was /tmp/dataSnapshots/snapshot%0043ontents.index (No such file or directory) java.io.FileNotFoundException: /tmp/dataSnapshots/snapshot%0043ontents.index (No such file or directory) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:221) at java.io.FileOutputStream.<init>(FileOutputStream.java:171) at net.sf.ehcache.store.disk.DiskStorageFactory$IndexWriteTask.call(DiskStorageFactory.java:1120) at net.sf.ehcache.store.disk.DiskStorageFactory.unbind(DiskStorageFactory.java:946) at net.sf.ehcache.store.disk.DiskStore.dispose(DiskStore.java:616) at net.sf.ehcache.store.FrontEndCacheTier.dispose(FrontEndCacheTier.java:521) at net.sf.ehcache.Cache.dispose(Cache.java:2473) at net.sf.ehcache.CacheManager.shutdown(CacheManager.java:1446) at org.springframework.cache.ehcache.EhCacheManagerFactoryBean.destroy(EhCacheManagerFactoryBean.java:134) at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:211) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:498) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:474) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:442) at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1066) at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1040) at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:988) at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:541) at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:142) at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3489) at org.apache.catalina.core.StandardContext.stop(StandardContext.java:3999) at org.jboss.as.web.deployment.WebDeploymentService.stop(WebDeploymentService.java:108) at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:1911) at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:1874) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) I have no idea on how to proceed debugging this. How is the reporting connected to the engine? Rik -- Rik Theys System Engineer KU Leuven - Dept. Elektrotechniek (ESAT) Kasteelpark Arenberg 10 bus 2440 - B-3001 Leuven-Heverlee +32(0)16/32.11.07 ---------------------------------------------------------------- <<Any errors in spelling, tact or fact are transmission errors>>

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[3.6] Unable to create VM in user portal
by Maksim Naumov 22 Nov '15

22 Nov '15

Hello User in the User portal un able to create virtual machine. Everytime I see en error "User is not authorized to perform this action." I tried different roles: VmCreator + DiskCreator, PowerUserRole, UserVmManager .... even a new role with all the permissions - no way! Can you give a 100% working example how should I setup role for user to be abte to create a VM? Thank you -- Maksim Naumov Hitmeister GmbH Softwareentwickler Habsburgerring 2 50674 Köln E: maksim.naumov(a)hitmeister.de www.hitmeister.de HRB 59046, Amtsgericht Köln Geschäftsführer: Dr. Gerald Schönbucher

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