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Re: [ovirt-users] Importing existing KVM hosts to Ovirt
by Shahar Havivi 19 Apr '17

19 Apr '17

I am glad its works. btw the vdsm user is exists you can see it in /etc/passwd but it have no shell login so the ssh key generation will be in /var/ (which mean it may not survive reboot). the instruction for the ssh are for Xen but the instruction in the section "importing-vm" are working for kvm as well. Shahar. On Wed, Apr 19, 2017 at 12:56 AM, Konstantin Raskoshnyi <konrasko(a)gmail.com> wrote: > So eventually it worked fine! Thanks > > On Tue, Apr 18, 2017 at 2:28 AM, Shahar Havivi <shavivi(a)redhat.com> wrote: > >> for more info about setting the vdsm user you can see this section: >> https://www.ovirt.org/develop/release-management/features/vi >> rt/XenToOvirt/#importing-vm >> its for importing from Xen hypervisiors but the ssh generation for vdsm >> user is the same. >> >> Shahar. >> >> On Tue, Apr 18, 2017 at 12:20 PM, Michal Skrivanek < >> michal.skrivanek(a)redhat.com> wrote: >> >>> >>> On 18 Apr 2017, at 09:25, Konstantin Raskoshnyi <konrasko(a)gmail.com> >>> wrote: >>> >>> Hi Shahar, >>> That's for the info, >>> I'm getting this errors when trying to do with ssh method, even though I >>> can run virsh -c qemu+ssh://user@tank4/system list without any problems >>> >>> >>> can you run that as a “vdsm” user? You need to exchange keys for “vdsm” >>> (note it has disabled login, so you need to use "runuser" or something) >>> >>> Thanks, >>> michal >>> >>> >>> Here's the error, >>> >>> 2017-04-18 07:24:06,152Z ERROR [org.ovirt.engine.core.vdsbrok >>> er.vdsbroker.GetVmsNamesFromExternalProviderVDSCommand] (default >>> task-20) [69b6998b-e451-4a9b-8112-d57c8b9e88ec] Command >>> 'GetVmsNamesFromExternalProviderVDSCommand(HostName = tank5, >>> GetVmsFromExternalProviderParameters:{runAsync='true', >>> hostId='aa9ef44e-04e4-4a63-b982-e0ead9a8d497', url=' >>> qemu+ssh://test@tank4/system', username='test', originType='KVM', >>> namesOfVms='null'})' execution failed: VDSGenericException: >>> VDSErrorException: Failed to GetVmsNamesFromExternalProviderVDS, error >>> = Cannot recv data: Host key verification failed.: Connection reset by >>> peer, code = 65 >>> >>> 2017-04-18 07:18:05,381Z ERROR [org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery] >>> (default task-52) [bb2db0e0-d0f8-4619-b6a0-8a7efdd06a6c] Exception: >>> org.ovirt.engine.core.common.errors.EngineException: EngineException: >>> org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: >>> VDSGenericException: VDSErrorException: Failed to >>> GetVmsNamesFromExternalProviderVDS, error = Cannot recv data: Host key >>> verification failed.: Connection reset by peer, code = 65 (Failed with >>> error unexpected and code 16) >>> at org.ovirt.engine.core.bll.VdsHandler.handleVdsResult(VdsHandler.java:118) >>> [bll.jar:] >>> at org.ovirt.engine.core.bll.VDSBrokerFrontendImpl.runVdsComman >>> d(VDSBrokerFrontendImpl.java:33) [bll.jar:] >>> at org.ovirt.engine.core.bll.QueriesCommandBase.runVdsCommand(QueriesCommandBase.java:242) >>> [bll.jar:] >>> at org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery.ge >>> tVmsFromExternalProvider(GetVmsFromExternalProviderQuery.java:46) >>> [bll.jar:] >>> at org.ovirt.engine.core.bll.GetVmsFromExternalProviderQuery.ex >>> ecuteQueryCommand(GetVmsFromExternalProviderQuery.java:40) [bll.jar:] >>> at org.ovirt.engine.core.bll.QueriesCommandBase.executeCommand(QueriesCommandBase.java:110) >>> [bll.jar:] >>> at org.ovirt.engine.core.dal.VdcCommandBase.execute(VdcCommandBase.java:33) >>> [dal.jar:] >>> at org.ovirt.engine.core.bll.executor.DefaultBackendQueryExecut >>> or.execute(DefaultBackendQueryExecutor.java:14) [bll.jar:] >>> at org.ovirt.engine.core.bll.Backend.runQueryImpl(Backend.java:579) >>> [bll.jar:] >>> at org.ovirt.engine.core.bll.Backend.runQuery(Backend.java:547) >>> [bll.jar:] >>> at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) >>> [:1.8.0_121] >>> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >>> [rt.jar:1.8.0_121] >>> at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_121] >>> >>> On Mon, Apr 17, 2017 at 11:12 PM, Shahar Havivi <shavivi(a)redhat.com> >>> wrote: >>> >>>> Hi, >>>> There is a wiki page for importing VMs from other hypervisors here: >>>> https://www.ovirt.org/develop/release-management/features/vi >>>> rt/virt-v2v-integration/ >>>> >>>> and specific for KVM from Libvirt the wiki page is in progress but you >>>> can read about it here: >>>> https://github.com/oVirt/ovirt-site/pull/876/files >>>> >>>> On Fri, Apr 14, 2017 at 9:05 PM, Michal Skrivanek < >>>> michal.skrivanek(a)redhat.com> wrote: >>>> >>>>> >>>>> > On 14 Apr 2017, at 19:48, Konstantin Raskoshnyi <konrasko(a)gmail.com> >>>>> wrote: >>>>> > >>>>> > Hi guys, I just installed oVirt 4.1 - works great! >>>>> > >>>>> > But the questing is, we have around 50 existing kvm hosts, is it >>>>> really possible during adding them to oVirt add all VMs from them to oVirt? >>>>> >>>>> you can try GUI Import VM via libvirt, unless you use some exotic >>>>> options/storage it should work just fine >>>>> >>>>> > >>>>> > Second options I see - import disks to oVirts and re-create machines >>>>> >>>>> that’s possible as well, disk by disk. >>>>> >>>>> Thanks, >>>>> michal >>>>> >>>>> > >>>>> > Thanks for the help. >>>>> > _______________________________________________ >>>>> > Users mailing list >>>>> > Users(a)ovirt.org >>>>> > http://lists.ovirt.org/mailman/listinfo/users >>>>> >>>>> _______________________________________________ >>>>> Users mailing list >>>>> Users(a)ovirt.org >>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>> >>>> >>>> >>> >>> >> >

1 0

PXELinux BIOS reboot loop on Ubuntu 16.04
by Matt . 19 Apr '17

19 Apr '17

When I have build a successfull host using Foreman it gets the PXE Menu showed in the attachment. This menu with the first option selected gets into a reboot loop: Chanload into bootloader on the first disk When I manually switch to: Chanload into bootloader on the first disk - alternative the host boots as normal. Why does this happens just at once on Debian/Ubuntu and not on Fedora/CentOS ?

1 0

Importing existing KVM hosts to Ovirt
by Konstantin Raskoshnyi 18 Apr '17

18 Apr '17

Hi guys, I just installed oVirt 4.1 - works great! But the questing is, we have around 50 existing kvm hosts, is it really possible during adding them to oVirt add all VMs from them to oVirt? Second options I see - import disks to oVirts and re-create machines Thanks for the help.

3 6

storage redundancy in Ovirt
by Konstantin Raskoshnyi 18 Apr '17

18 Apr '17

Hi guys, I have one nfs storage, it's connected through host1. host2 also has access to it, I can easily migrate vms between them. The question is - if host1 is down - all infrastructure is down, since all traffic goes through host1, is there any way in oVirt to use redundant storage? Only glusterfs? Thanks

9 36

Empty ovirt engine web pages
by shubham dubey 18 Apr '17

18 Apr '17

Hello, I have installed ovirt engine from source and installed all other required packages also, including ovirt-js-dependencies.But when I am login to the admin account I am getting blank page everytime. Some other pages are also coming empty sometime. I have pasted the logs for $HOME/ovirt-engine/share/ovirt-engine/services/ovirt-engine/ovirt-engine.py start[1].The possible error log is 2017-04-13 09:07:09,902+05 ERROR [org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet.CacheUpdate.Utilization] (EE-ManagedThreadFactory-default-Thread-1) [] Could not update the Utilization Cache: Error while running SQL query: org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataException: Error while running SQL query at org.ovirt.engine.ui.frontend.server.dashboard.dao.BaseDao.runQuery(BaseDao.java:60) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.dao.HostDwhDao.getTotalCpuMemCount(HostDwhDao.java:78) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.HourlySummaryHelper.getTotalCpuMemCount(HourlySummaryHelper.java:43) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.HourlySummaryHelper.getCpuMemSummary(HourlySummaryHelper.java:21) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet.lookupGlobalUtilization(DashboardDataServlet.java:294) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet.getDashboard(DashboardDataServlet.java:268) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet.populateUtilizationCache(DashboardDataServlet.java:231) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet.access$000(DashboardDataServlet.java:26) [frontend.jar:] at org.ovirt.engine.ui.frontend.server.dashboard.DashboardDataServlet$1.run(DashboardDataServlet.java:106) [frontend.jar:] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_121] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [rt.jar:1.8.0_121] at org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.access$201(ManagedScheduledThreadPoolExecutor.java:383) [javax.enterprise.concurrent-1.0.jar:] at org.glassfish.enterprise.concurrent.internal.ManagedScheduledThreadPoolExecutor$ManagedScheduledFutureTask.run(ManagedScheduledThreadPoolExecutor.java:534) [javax.enterprise.concurrent-1.0.jar:] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_121] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_121] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_121] at org.glassfish.enterprise.concurrent.ManagedThreadFactoryImpl$ManagedThread.run(ManagedThreadFactoryImpl.java:250) [javax.enterprise.concurrent-1.0.jar:] Caused by: java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/DWHDataSource at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:146) at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:66) at org.ovirt.engine.ui.frontend.server.dashboard.dao.BaseDao.runQuery(BaseDao.java:53) [frontend.jar:] ... 16 more Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/DWHDataSource at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:656) at org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:429) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:747) at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:138) ... 18 more Caused by: javax.resource.ResourceException: IJ031084: Unable to create connection at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createLocalManagedConnection(LocalManagedConnectionFactory.java:345) at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:352) at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:287) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.createConnectionEventListener(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:1320) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.getConnection(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:496) at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getSimpleConnection(AbstractPool.java:617) at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getConnection(AbstractPool.java:589) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:590) ... 21 more [1]https://pastebin.com/UZ5VFH7H Thanks, Shubham

4 5

options for fence_ipmilan?
by Matthias Leopold 18 Apr '17

18 Apr '17

hi, i'm trying to make fencing (via ipmilan) work with a ipmi user with only "OPERATOR" privileges. This works with CLI (-L OPERATOR). when trying to configure this via GUI i fail. interface tells me Test failed: [WARNING:root:Parse error: Ignoring unknown option 'L=OPERATOR', , ERROR:root:Failed: Unable to obtain correct plug status or plug is not available, , , Failed: Unable to obtain correct plug status or plug is not available, , ] i tried "-L OPERATOR" and "L=OPERATOR", with and without quotes, no avail... can somebody help me? ovirt 4.1.1 -- Matthias Leopold IT Systems & Communications Medizinische Universität Wien Spitalgasse 23 / BT 88 /Ebene 00 A-1090 Wien Tel: +43 1 40160-21241 Fax: +43 1 40160-921200

3 3

Storage latency message
by Chris Adams 18 Apr '17

18 Apr '17

I've been getting an occasional message like: Storage domain hosted_storage experienced a high latency of 5.26121 seconds from host node3. I'm not sure what is causing them though. I look at my storage (EqualLogic iSCSI SAN) and storage network switches and don't see any issues. When the above message was logged, node3 was not hosting the engine (doesn't even have engine HA installed), nor was it the SPM, so why would it have even been accessing the hosted_storage domain? This is with oVirt 4.1. -- Chris Adams <cma(a)cmadams.net>

3 4

vm "maximum memory" setting questions
by Nelson Lameiras 18 Apr '17

18 Apr '17

------=_Part_17107869_398743795.1492508811941 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello,=20 A new vm setting "maximum memory" has appeared in oVirt >4 which by default= has the value "current memory"*4=20 - Why is "maximum memory" setting necessary to set?=20 - Why isn't this value set to "infinity" by default ?=20 It seems to me kind of uselessly counter productif to have to decide a maxi= mum memory amount beforehand. if we do this, will we have to set maximum CP= U cores also in the future (being devil's advocate here ;) )=20 I did searched oVirt documentation, but very little information is availabl= e.=20 Maybe this is an libvirt question, but I'm hopping a oVirt guru could quick= ly enlighten me.=20 cordialement, regards,=20 =09Nelson LAMEIRAS=20 Ing=C3=A9nieur Syst=C3=A8mes et R=C3=A9seaux / Systems and Networks enginee= r=20 Tel: +33 5 32 09 09 70=20 nelson.lameiras(a)lyra-network.com=20 www.lyra-network.com | www.payzen.eu=20 =09 =09 =09 Lyra Network, 109 rue de l'innovation, 31670 Lab=C3=A8ge, FRANCE=20 ------=_Part_17107869_398743795.1492508811941 Content-Type: multipart/related; boundary="----=_Part_17107870_1472858614.1492508811941" ------=_Part_17107870_1472858614.1492508811941 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s= ize: 12pt; color: #000000"><div>Hello,<br></div><div><br data-mce-bogus=3D"= 1"></div><div>A new vm setting "maximum memory" has appeared in oVirt >4= which by default has the value "current memory"*4<br data-mce-bogus=3D"1">= </div><div><br data-mce-bogus=3D"1"></div><div>- Why is "maximum memory" se= tting necessary to set? </div><div>- Why isn't this value set to "infinity"= by default ?</div><div><br data-mce-bogus=3D"1"></div><div>It seems to me = kind of uselessly counter productif to have to decide a maximum memory amou= nt beforehand. if we do this, will we have to set maximum CPU cores also in= the future (being devil's advocate here ;) )<br data-mce-bogus=3D"1"></div= ><div><br data-mce-bogus=3D"1"></div><div><div>I did searched oVirt documen= tation, but very little information is available.</div><div>Maybe this is a= n libvirt question, but I'm hopping a oVirt guru could quickly enlighten me= .<br></div></div><div><br data-mce-bogus=3D"1"></div><div data-marker=3D"__= SIG_PRE__"><div>cordialement, regards,</div><div><br data-mce-bogus=3D"1"><= /div><table style=3D"margin: 0px; table-layout: fixed; border: none; width:= 345pt; padding: 0px;" data-mce-style=3D"margin: 0px; table-layout: fixed; = border: none; width: 345pt; padding: 0px;" width=3D"460" cellspacing=3D"0" = cellpadding=3D"0" border=3D"0"><tbody><tr><td style=3D"margin: 0; font-size= : 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; w= idth: 86.25pt; text-align: left;" data-mce-style=3D"margin: 0; font-size: 1= 1px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; widt= h: 86.25pt; text-align: left;" width=3D"115" valign=3D"top"><a href=3D"http= s://www.lyra-network.com/" style=3D"border: none; text-decoration: none; wi= dth: 100%; display: block; clear: both;" data-mce-href=3D"https://www.lyra-= network.com/" data-mce-style=3D"border: none; text-decoration: none; width:= 100%; display: block; clear: both;"><img src=3D"cid:b5204ab380be6ea6d0270a= e7bfb4f103942609aa@zimbra" alt=3D"" data-mce-src=3D"/home/admin@lyra-networ= k.com/corporate-documents/element-signature_logo_lyra_115x94.jpg" doc=3D"co= rporate-documents/element-signature_logo_lyra_115x94.jpg" width=3D"115" hei= ght=3D"94" border=3D"0"></a><br data-mce-bogus=3D"1"></td><td style=3D"marg= in: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line= -height: 16px; width: 258.75pt;" data-mce-style=3D"margin: 0; font-size: 11= px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width= : 258.75pt;" width=3D"345" valign=3D"top"><table style=3D"margin: 0; width:= 258.75pt; table-layout: fixed; border: none;" data-mce-style=3D"margin: 0;= width: 258.75pt; table-layout: fixed; border: none;" width=3D"345" cellspa= cing=3D"0" cellpadding=3D"0" border=3D"0"><tbody><tr><td style=3D"font-size= : 16px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 18px; f= ont-weight: bold;" data-mce-style=3D"font-size: 16px; font-family: Arial,sa= ns-serif; color: #2b3c7a; line-height: 18px; font-weight: bold;">Nelson LAM= EIRAS</td></tr><tr><td style=3D"font-family: Arial,sans-serif; color: #2b3c= 7a; font-size: 11px; line-height: 16px;" data-mce-style=3D"font-family: Ari= al,sans-serif; color: #2b3c7a; font-size: 11px; line-height: 16px;">Ing=C3= =A9nieur Syst=C3=A8mes et R=C3=A9seaux<span style=3D"font-family: Arial,san= s-serif; color: #337ab7; font-size: 11px;" data-mce-style=3D"font-family: A= rial,sans-serif; color: #337ab7; font-size: 11px;"> / Systems and Networks = engineer</span></td></tr><tr><td style=3D"line-height: 16px; font-family: '= Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data-mce-style=3D"line= -height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: = 11px;"><span style=3D"font-family: Arial,sans-serif; color: #2b3c7a; font-s= ize: 11px;" data-mce-style=3D"font-family: Arial,sans-serif; color: #2b3c7a= ; font-size: 11px;">Tel: +33 5 32 09 09 70</span></td></tr><tr><td style=3D= "line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-s= ize: 11px;" data-mce-style=3D"line-height: 16px; font-family: 'Arial',sans-= serif; color: #2b3c7a; font-size: 11px;"><a href=3D"mailto:nelson.lameiras@= lyra-network.com" style=3D"font-size: 11px; font-family: Arial,sans-serif; = line-height: 16px; text-decoration: none;" data-mce-href=3D"mailto:nelson.l= ameiras(a)lyra-network.com" data-mce-style=3D"font-size: 11px; font-family: A= rial,sans-serif; line-height: 16px; text-decoration: none;">nelson.lameiras= @lyra-network.com</a><br data-mce-bogus=3D"1"></td></tr><tr><td style=3D"li= ne-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size= : 11px;" data-mce-style=3D"line-height: 16px; font-family: 'Arial',sans-ser= if; color: #2b3c7a; font-size: 11px;"><a href=3D"https://www.lyra-network.c= om/" style=3D"font-size: 11px; font-family: Arial,sans-serif; line-height: = 16px; border: none; text-decoration: none;" data-mce-href=3D"https://www.ly= ra-network.com/" data-mce-style=3D"font-size: 11px; font-family: Arial,sans= -serif; line-height: 16px; border: none; text-decoration: none;">www.lyra-n= etwork.com</a> <a href=3D"https://payzen.eu" style=3D"font-size: 11px; font= -family: Arial,sans-serif; line-height: 16px; border: none; text-decoration= : none;" data-mce-href=3D"https://payzen.eu" data-mce-style=3D"font-size: 1= 1px; font-family: Arial,sans-serif; line-height: 16px; border: none; text-d= ecoration: none;"> | www.payzen.eu</a><br data-mce-bogus=3D"1"></td></tr></= tbody></table></td></tr></tbody></table><table style=3D"margin: 0; table-la= yout: fixed; border: none; width: 345pt;" data-mce-style=3D"margin: 0; tabl= e-layout: fixed; border: none; width: 345pt;" width=3D"460" cellspacing=3D"= 0" cellpadding=3D"0"><tbody><tr><td style=3D"margin: 0; font-size: 11px; fo= nt-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 24pt= ; text-align: left;" data-mce-style=3D"margin: 0; font-size: 11px; font-fam= ily: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 24pt; text= -align: left;" width=3D"32" valign=3D"top"><a href=3D"https://www.youtube.c= om/channel/UCrVl1CO_Jlu3KbiRH-tQ_vA" style=3D"border: none; text-decoration= : none; margin: 0; float: left; display: inline-block; width: 32px;" data-m= ce-href=3D"https://www.youtube.com/channel/UCrVl1CO_Jlu3KbiRH-tQ_vA" data-m= ce-style=3D"border: none; text-decoration: none; margin: 0; float: left; di= splay: inline-block; width: 32px;"><img src=3D"cid:a159bfc80bd55e52e4beb67a= fe1bb5d728b24bbd@zimbra" alt=3D"" data-mce-src=3D"/home/admin(a)lyra-network.= com/corporate-documents/element-signature_logo_YouTube_32x28.jpg" doc=3D"co= rporate-documents/element-signature_logo_YouTube_32x28.jpg" width=3D"32" he= ight=3D"28" border=3D"0"></a><br data-mce-bogus=3D"1"></td><td style=3D"mar= gin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; lin= e-height: 16px; width: 30.75pt; text-align: left;" data-mce-style=3D"margin= : 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-h= eight: 16px; width: 30.75pt; text-align: left;" width=3D"41" valign=3D"top"= ><a href=3D"https://www.linkedin.com/company/lyra-network_2" style=3D"borde= r: none; text-decoration: none; margin: 0; float: left; display: inline-blo= ck; width: 41px;" data-mce-href=3D"https://www.linkedin.com/company/lyra-ne= twork_2" data-mce-style=3D"border: none; text-decoration: none; margin: 0; = float: left; display: inline-block; 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ISSUES WITH EDITING A CLUSTER SO IT CAN BE PART OF A NEW DATACENTER
by martin chamambo 18 Apr '17

18 Apr '17

I had issues with my master data storage domain and the only way was to set the hosts in maintenence mode ,delete the datacenter so i can recreate it.... I managed to delete the datacenter and the storage domains , and created a new datacenter , but now the existing clusters are not part of a datacenter and trying to add them to the datacenter gives out this error below Error while executing action: Cannot edit Cluster. Changing management network in a non-empty cluster is not allowed. and by non empty i guess it means there is a host inside that cluster ? fair enough trying to change a node cluster comes with the Host Cluster Dropdown with this Datacenter:Undefined How can i fix the catch 22 scenario without deleting clusters or hosts.. surely there should be a smarter way ?

3 5

VDSM overwrites network config
by Alan Cowles 18 Apr '17

18 Apr '17

Hey guys, I'm in a lab setup currently with 2 hosts, running RHEV-3.5, with a self-hosted engine on RHEL 6.9 servers. I am doing this in order to plot out a production upgrade I am planning going forward to 4.0, and I'm a bit stuck and I'm hoping it's ok to ask questions here concerning this product and version. In my lab, I have many vlans trunked on my switchports, so I have to create individual vlan interfaces on my RHEL install. During the install, I am able to pick my ifcfg-eth0.502 interface for rhevm, and ifcfg-eth1.504 interface for NFS, access the storage and create my self-hosted engine. The issue I am running into is that I get into RHEV-M, and I am continuing to set the hosts up or add other hosts, when I go to move my NFS network to host2 it only allows me to select the base eth1 adapter, and not the VLAN tagged version. I am able to tag the VLAN in the RHEV-M configured network itself, but this has the unfortunate side effect of tagging a network on top of the already tagged interface on host1, taking down NFS and the self hosted engine. I am able to access the console of host1, and I configure the ifcfg files, vlan files, and bridge files to be on the correct interfaces, and I get my host back up, and my RHEV-M back up. However when I try to make these manual changes to host2 and get it up, the changes to these files are completely overwritten the moment the host reboots connected to vdsmd start-up. Right now, I have vdsmd disabled, and I have host2 configured the way I need it to be with the rhevm bridge on eth0.502, the NFS bridge on eth1.504, and my VMNet "guest" bridge on eth1.500, however that leaves me with a useless host from RHEV standards. I've checked several different conf files to see where vdsmd is pulling it's configuration from but I can't find it, or find a way to modify it to fit my needs. Any advice or pointers here would be greatly appreciated. Thank you all in advance. AC

4 4