- Users - oVirt List Archives

ovirt-guest-agent - Ubuntu 16.04
by FERNANDO FREDIANI 05 Jul '17

05 Jul '17

This is a multi-part message in MIME format. --------------3E6DFB8B8A97AF19E5E33BB0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hello Is the maintainer of ovirt-guest-agent for Ubuntu on this mail list ? I have noticed that if you install ovirt-guest-agent package from Ubuntu repositories it doesn't start. Throws an error about python and never starts. Has anyone noticied the same ? OS in this case is a clean minimal install of Ubuntu 16.04. Installing it from the following repository works fine - http://download.opensuse.org/repositories/home:/evilissimo:/ubuntu:/16.04/x… Fernando --------------3E6DFB8B8A97AF19E5E33BB0 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> <font face="arial, helvetica, sans-serif">Hello<br> <br> Is the maintainer of ovirt-guest-agent for Ubuntu on this mail list ?<br> <br> I have noticed that if you install ovirt-guest-agent package from Ubuntu repositories it doesn't start. Throws an error about python and never starts. Has anyone noticied the same ? OS in this case is a clean minimal install of Ubuntu 16.04.<br> <br> Installing it from the following repository works fine - <a class="moz-txt-link-freetext" href="http://download.opensuse.org/repositories/home:/evilissimo:/ubuntu:/16.04/x…">http://download.opensuse.org/repositories/home:/evilissimo:/ubuntu:/16.04/x…</a><br> <br> Fernando<br> </font> </body> </html> --------------3E6DFB8B8A97AF19E5E33BB0--

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oVirt 4.1.2 and rubygem-fluent-plugin packages missing
by Gianluca Cecchi 05 Jul '17

05 Jul '17

Hello, an environment with engine in 4.1.2 and 3 hosts too (updated all from 4.0.5 3 days ago). In web admin gui the 3 hosts keep the symbol that there are updates available. In events message board I have Check for available updates on host ovirt01.localdomain.local was completed successfully with message 'found updates for packages rubygem-fluent-plugin-collectd-nest-0.1.3-1.el7, rubygem-fluent-plugin-viaq_data_model-0.0.3-1.el7'. But on host: [root@ovirt01 qemu]# yum update Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: it.centos.contactlab.it * epel: mirror.spreitzer.ch * extras: it.centos.contactlab.it * ovirt-4.1: ftp.nluug.nl * ovirt-4.1-epel: mirror.spreitzer.ch * updates: it.centos.contactlab.it No packages marked for update [root@ovirt01 qemu]# And [root@ovirt01 qemu]# rpm -q rubygem-fluent-plugin-collectd-nest rubygem-fluent-plugin-viaq_data_model package rubygem-fluent-plugin-collectd-nest is not installed package rubygem-fluent-plugin-viaq_data_model is not installed [root@ovirt01 qemu]# Is it a bug in 4.1.2? Or should I manually install these two packages? Thanks, Gianluca

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[Ovirt 4.0.6] Suggestion required for Network Throughput options
by TranceWorldLogic . 04 Jul '17

04 Jul '17

Hi, To increase network throughput we have changed txqueuelen of network device and bridge manually. And observed improved throughput. But in ovirt I not see any option to increase txqueuelen. Can someone suggest me what will be the right way to increase throughput ? Note: I am trying to increase throughput for ipsec packets. Thanks, ~Rohit

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iSCSI multipathing setup troubles
by Matthias Leopold 03 Jul '17

03 Jul '17

hi, i'm trying to use iSCSI multipathing for a LUN shared by a Hitachi SAN. i can't figure out how this is supposed to work, maybe my setup isn't applicable at all... our storage admin shared the same LUN for me on two targets, which are located in two logical networks connected to different switches (i asked him to do so). on the oVirt hypervisor side there is only one bonded interface for storage traffic, so i configured two VLAN interfaces located in these networks on the bond interface. now i create the storage domain logging in to one of the targets connecting through its logical network. when i try to create a "second" storage domain for the same LUN logging in to the second target, oVirt tells me "LUN is already in use". i understand this, but now i can't configure an oVirt "iSCSI Bond" in any way. how is this supposed to work? right now the only working setup i can think of would be an iSCSI target that uses a redundant bond interface (with only one IP addresss) to which my hypervisors connect through different routed networks (using either dedicated network cards or vlan interfaces). is that correct? i feel like i'm missing something, but i couldn't find any examples for real world IP setups for iSCSI multipathing. thanks for explaining matthias

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download/export a VM image
by aduckers 03 Jul '17

03 Jul '17

Running a 4.1 cluster with FC SAN storage. I’ve got a VM that I’ve customized, and would now like to pull that out of oVirt in order to share with folks outside the environment. What’s the easiest way to do that? I see that the export domain is being deprecated, though I can still set one up at this time. Even in the case of an NFS export domain though, it looks like I’d need to drill down into the exported file system and find the correct image based on VMID (I think..). Is there a simple way to grab a VM image? Thanks

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add fourth full gluster node and remove arbiter: ovirt 4.1 with hosted engine
by yayo (j) 03 Jul '17

03 Jul '17

Hi at all, we have a 3 node cluster with this configuration: ovirtzz 4.1 with 3 node hyperconverged with gluster. 2 node are "full replicated" and 1 node is the arbiter. Now we have a new server to add to cluster then we want to add this new server and remove the arbiter (or, make this new server a "full replicated" gluster with arbiter role? I don't know) Can you please help me to know what is the right way to do this? Or, Can you give me any doc or link that explain the steps to do this? Thank you in advance!

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Re: [ovirt-users] Recovering hosted-engine
by Andrew Dent 03 Jul '17

03 Jul '17

Hi Didi Fair enough. If I'm in this situation..... I have 3 hosts with 6 production VMs. The hosted-engine VM is completely toast and not recoverable. However I have a backup of the hosted-engine database (do I need anything else). Is it possible to build a new VM, import the backup of the previous hosted-engine database and reconnect the storage domains and VMs in their running state without any VMs experiencing an outage? The URL http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restorin… looks to be longer now. I'll review, test and see if this will give me what I'm looking for. The broken link still seems to be broken. When I click the link, the browser ends up at this http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restorin… But I suspect it should be http://www.ovirt.org/documentation/self-hosted/chap-Installing_Additional_H… Kind regards Andrew ------ Original Message ------ From: "Yedidyah Bar David" <didi(a)redhat.com> To: "Andrew Dent" <adent(a)ctcroydon.com.au> Cc: "users" <users(a)ovirt.org> Sent: 3/07/2017 11:12:05 PM Subject: Re: [ovirt-users] Recovering hosted-engine >On Mon, Jul 3, 2017 at 3:46 PM, Andrew Dent <adent(a)ctcroydon.com.au> >wrote: >> Has anyone successfully completed a hosted-engine recovery on a >>multiple >> host setup with production VMs? > >I'd like to clarify that "recovery" can span a large spectrum of >flows, from a trivial "I did some change to the engine database >that broke stuff and I want to restore a backup I took prior to >this change" to a full system restoration including purchasing >and deploying new (perhaps different) hosts/network/storage >hardware, including many other flows in between. > >So when you plan for recovery, you should define very well what >flows you plan to handle, and how you handle each. > >The linked procedure correctly says it's "providing an example". > >> >> Kind regards >> >> >> Andrew >> >> >> >> ------ Original Message ------ >> From: "Andrew Dent" <adent(a)ctcroydon.com.au> >> To: "users" <users(a)ovirt.org> >> Sent: 2/07/2017 2:22:16 PM >> Subject: [ovirt-users] Recovering hosted-engine >> >> Hi >> >> A couple of questions about hosted-engine recovery. >> Part way through this URL, in the section "Workflow for Restoring the >> Self-Hosted Engine Environment" >> >>http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restorin… >> it looks like once the hosted-engine is recovered on Host 1, the VMs >>on Host >> 2 and 3 will be running, but not accessible to the recovered Hosted >>Engine. >> Is that correct? > >I am pretty certain that the procedure assumed that all hosts need >restoration, >not that some are still up-and-running. > >> If so, how to you remove host 2 and host 3 from the environment, then >>add >> back in again while keeping the VMs running? > >That's a good question. > >Please try to describe the exact flow you have in mind. What's broken >and >needs restoration, and how do you plan to do that? > >> >> Host 2 and Host 3 are not recoverable in their current state. These >>hosts >> need to be removed from the environment, and then added again to the >> environment using the hosted-engine deployment script. For more >>information >> on these actions, see the Removing Non-Operational Hosts from a >>Restored >> Self-Hosted Engine Environment section below and Chapter 7: >>Installing >> Additional Hosts to a Self-Hosted Environment. >> >> BTW: The link referring to chapter 7 is broken. > >You are right. The link in the bottom of the page seems working. >Now pushed [1] to fix. Thanks for the report! > >[1] > >Best, >-- >Didi

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Virtual Machine looses connectivity with no clear explanation
by FERNANDO FREDIANI 03 Jul '17

03 Jul '17

This is a multi-part message in MIME format. --------------CA6FA101A23C7121C82BF9C5 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit I have a rather strange issue which is affecting one of my last deployed Hypervisors. It is a CentOS 7 (not a oVirt Node) which runs only 3 Virtual Machines. One of these VMs have a reasonable output traffic at peaks (500 - 700Mbps) and the hypervisor underneath is connected to the switch via a bonding (mode=2) which in turn creates bond0.XX interfaces which are connected to different bridges for each network. The VM in question is connected to bridge "ovirtmgmt". When the problem happens the VM stops passing traffic and cannot reach even the router or other VMs in the same Layer 2. Seems the bridge stop passing traffic for that particular VM. Other VMs work fine since they were created. When this problem happens I just need to go to its Console and run a reboot (Ctrl-Alt-Del), don't even need to Power Off and Power On again using oVirt Engine. I have even re-installed this VMs operating system from scratch but the problem persists. Have also changed the vNic mac address in the case (already check) of conflicted mac addresses somewhere in that Layer 2. Last, my hypervisor machine (due a mistake) has been running with SElinux disabled, not sure if it could have anything to do with this behavior. Anyway, anyone has ever seen any behavior like that ? Thanks Fernando --------------CA6FA101A23C7121C82BF9C5 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> <font face="arial, helvetica, sans-serif">I have a rather strange issue which is affecting one of my last deployed Hypervisors. It is a CentOS 7 (not a oVirt Node) which runs only 3 Virtual Machines.<br> <br> One of these VMs have a reasonable output traffic at peaks (500 - 700Mbps) and the hypervisor underneath is connected to the switch via a bonding (mode=2) which in turn creates bond0.XX interfaces which are connected to different bridges for each network. The VM in question is connected to bridge "ovirtmgmt".<br> <br> When the problem happens the VM stops passing traffic and cannot reach even the router or other VMs in the same Layer 2. Seems the bridge stop passing traffic for that particular VM. Other VMs work fine since they were created. When this problem happens I just need to go to its Console and run a reboot (Ctrl-Alt-Del), don't even need to Power Off and Power On again using oVirt Engine.<br> I have even re-installed this VMs operating system from scratch but the problem persists. Have also changed the vNic mac address in the case (already check) of conflicted mac addresses somewhere in that Layer 2.<br> <br> Last, my hypervisor machine (due a mistake) has been running with SElinux disabled, not sure if it could have anything to do with this behavior.<br> <br> Anyway, anyone has ever seen any behavior like that ?<br> <br> Thanks<br> Fernando<br> </font> </body> </html> --------------CA6FA101A23C7121C82BF9C5--

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Re: [ovirt-users] Recovering hosted-engine
by Andrew Dent 03 Jul '17

03 Jul '17

--------=_MB15379295-79C3-4E7D-BA3E-C6F662EE3B38 Content-Type: text/plain; format=flowed; charset=utf-8 Content-Transfer-Encoding: quoted-printable Has anyone successfully completed a hosted-engine recovery on a multiple=20 host setup with production VMs? Kind regards Andrew ------ Original Message ------ From: "Andrew Dent" <adent(a)ctcroydon.com.au> To: "users" <users(a)ovirt.org> Sent: 2/07/2017 2:22:16 PM Subject: [ovirt-users] Recovering hosted-engine >Hi > >A couple of questions about hosted-engine recovery. >Part way through this URL, in the section "Workflow for Restoring the=20 >Self-Hosted Engine Environment" >http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restori= ng_an_EL-Based_Self-Hosted_Environment/ >it looks like once the hosted-engine is recovered on Host 1, the VMs on=20 >Host 2 and 3 will be running, but not accessible to the recovered=20 >Hosted Engine. >Is that correct? >If so, how to you remove host 2 and host 3 from the environment, then=20 >add back in again while keeping the VMs running? > >Host 2 and Host 3 are not recoverable in their current state. These=20 >hosts need to be removed from the environment, and then added again to=20 >the environment using the hosted-engine deployment script. For more=20 >information on these actions, see the Removing Non-Operational Hosts=20 >from a Restored Self-Hosted Engine Environment section below and=20 >Chapter 7: Installing Additional Hosts to a Self-Hosted Environment=20 ><http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restor= ing_an_EL-Based_Self-Hosted_Environment/chap-Installing_Additional_Hosts_to= _a_Self-Hosted_Environment>. > >BTW: The link referring to chapter 7 is broken. > >Kind regards > > > >Andrew > > --------=_MB15379295-79C3-4E7D-BA3E-C6F662EE3B38 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <?xml version=3D"1.0" encoding=3D"utf-16"?><html><head> <style id=3D"signatureStyle" type=3D"text/css"></style><style type=3D"text/css"></style> <style type=3D"text/css"></style> </head> <body><div>Has anyone successfully completed a hosted-engine recovery on a= multiple host setup with production VMs?</div><div><br /></div><div id=3D"s= ignature_old"><div id=3D"xb62ca86bd62b482"><div style=3D"font-family: Tahom= a;"><span id=3D"x89c8d9902b0345bca5fb60b10010a8ea"><font> <div id=3D"x136253a26533439c817a2d4cd93dbb00"><div id=3D"signature_old"><di= v id=3D"xea120d60c95044d"><div class=3D"WordSection1"><div id=3D"xb71224f92= 0234978acc74f4d23143069"><div class=3D"WordSection1"><p class=3D"MsoNormal"= ><font size=3D"4" style=3D"font-size: 14pt;">Kind regards</font></p><p clas= s=3D"MsoNormal"><font size=3D"4" style=3D"font-size: 14pt;"><br /></font></= p><p class=3D"MsoNormal"><font size=3D"4" style=3D"font-size: 14pt;">Andrew= =C2=A0</font></p></div></div></div></div></div></div></font></span></div></= div></div><div><br /></div><div><br /></div> <div>------ Original Message ------</div> <div>From: "Andrew Dent" <<a href=3D"mailto:adent@ctcroydon.com.au">aden= t(a)ctcroydon.com.au</a>></div> <div>To: "users" <<a href=3D"mailto:users@ovirt.org">users(a)ovirt.org</a>= ></div> <div>Sent: 2/07/2017 2:22:16 PM</div> <div>Subject: [ovirt-users] Recovering hosted-engine</div><div><br /></div> <div id=3D"xa03d74168c5b47d"><blockquote cite=3D"a55544f993c0aef5fbfa13e1ed= 78ca048e629118@localhost" type=3D"cite" class=3D"cite2"> <div>Hi</div><div><br /></div><div>A couple of questions about hosted-engin= e recovery.</div><div>Part way through this URL, in the section "Workflow f= or Restoring the Self-Hosted Engine Environment"=C2=A0</div><div><a href=3D= "http://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restori= ng_an_EL-Based_Self-Hosted_Environment/">http://www.ovirt.org/documentation= /self-hosted/chap-Backing_up_and_Restoring_an_EL-Based_Self-Hosted_Environm= ent/</a></div><div>it looks like once the hosted-engine is recovered on Hos= t 1, the VMs on Host 2 and 3 will be running, but not accessible to the rec= overed Hosted Engine.=C2=A0</div><div>Is that correct?</div><div>If so, how = to you remove host 2 and host 3 from the environment, then add back in aga= in while keeping the VMs running?</div><div><br /></div><div><div> <code style=3D"box-sizing: border-box; font-family: Menlo, Monaco, Consolas= , 'Courier New', monospace; font-size: 14.4px; padding: 2px 4px; color: rgb= (199, 37, 78); border-radius: 4px; font-variant-ligatures: normal; orphans: = 2; widows: 2; background-color: rgb(249, 242, 244);">Host 2</code><span st= yle=3D"color: rgb(51, 51, 51); font-family: 'Source Sans Pro', 'Open Sans', = 'Helvetica Neue', Helvetica, Arial, sans-serif; font-variant-ligatures: no= rmal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">=C2=A0a= nd=C2=A0</span><code style=3D"box-sizing: border-box; font-family: Menlo, M= onaco, Consolas, 'Courier New', monospace; font-size: 14.4px; padding: 2px= 4px; color: rgb(199, 37, 78); border-radius: 4px; font-variant-ligatures: n= ormal; orphans: 2; widows: 2; background-color: rgb(249, 242, 244);">Host 3= </code><span style=3D"color: rgb(51, 51, 51); font-family: 'Source Sans Pro= ', 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; font-varian= t-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, = 255);">=C2=A0are not recoverable in their current state. These hosts need= to be removed from the environment, and then added again to the environment = using the hosted-engine deployment script. For more information on these a= ctions, see the Removing Non-Operational Hosts from a Restored Self-Hosted= Engine Environment section below and=C2=A0</span><a href=3D"http://www.ovir= t.org/documentation/self-hosted/chap-Backing_up_and_Restoring_an_EL-Based_S= elf-Hosted_Environment/chap-Installing_Additional_Hosts_to_a_Self-Hosted_En= vironment" style=3D"box-sizing: border-box; color: rgb(97, 182, 14); text-d= ecoration: none; font-family: 'Source Sans Pro', 'Open Sans', 'Helvetica Ne= ue', Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: = 2; widows: 2; background-color: rgb(255, 255, 255);">Chapter 7: Installing = Additional Hosts to a Self-Hosted Environment</a><span style=3D"color: rgb= (51, 51, 51); font-family: 'Source Sans Pro', 'Open Sans', 'Helvetica Neue'= , Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: 2; = widows: 2; background-color: rgb(255, 255, 255);">.</span></div></div><div= ><br /></div><div>BTW: The link referring to chapter 7 is broken.=C2=A0</di= v><div><br /></div><div id=3D"signature_old"><div id=3D"x75154ce80e9e4bf"> <div class=3D"WordSection1"> <div id=3D"xb71224f920234978acc74f4d23143069"><div class=3D"WordSection1"><= p class=3D"MsoNormal"><font face=3D"Tahoma"><font size=3D"3" style=3D"font-= size: 12pt;">Kind r</font><span style=3D"font-size: 12pt;">egards</span></f= ont></p><p class=3D"MsoNormal"><font size=3D"3" style=3D"font-size: 12pt;"= face=3D"Tahoma"><br /></font></p><p class=3D"MsoNormal"><font size=3D"3" st= yle=3D"font-size: 12pt;" face=3D"Tahoma">Andrew=C2=A0</font></p></div></div= > </div> </div></div><div><br /></div> </blockquote></div> </body></html> --------=_MB15379295-79C3-4E7D-BA3E-C6F662EE3B38--

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Gluster issue with /var/lib/glusterd/peers/<ip> file
by Mike DePaulo 03 Jul '17

03 Jul '17

Hi everyone, I have ovirt 4.1.1/4.1.2 running on 3 hosts with a gluster hosted engine. I was working on setting up a network for gluster storage and migration. The addresses for it will be 10.0.20.x, rather than 192.168.1.x for the management network. However, I switched gluster storage and migration back over to the management network. I updated and rebooted one of my hosts (death-star, 10.0.20.52) and on reboot, the glusterd service would start, but wouldn't seem to work. The engine webgui reported that its bricks were down, and commands like this would fail: [root@death-star glusterfs]# gluster pool list pool list: failed [root@death-star glusterfs]# gluster peer status peer status: failed Upon further investigation, I had under /var/lib/glusterd/peers/ the 2 existing UUID files, plus a new 3rd one: [root@death-star peers]# cat 10.0.20.53 uuid=00000000-0000-0000-0000-000000000000 state=0 hostname1=10.0.20.53 I moved that file out of there, restarted glusterd, and now gluster is working again. I am guessing that this is a bug. Let me know if I should attach other log files; I am not sure which ones. And yes, 10.0.20.53 is the IP of one of the other hosts. -Mike

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