December 2015 - Users - oVirt List Archives

Changing gateway ping address
by Matteo 21 Mar '17

21 Mar '17

Hi all, I need to change the gateway ping address, the one used by hosted engine setup. Is ok to edit /etc/ovirt-hosted-engine/hosted-engine.conf on each node, update the gateway param with the new ip address and restart the agent&broker on each node? With a blind test seems ok, but need to understand if is the right procedure. Thanks, Matteo

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Dedicated NICs for gluster network
by Nicolas Ecarnot 22 Aug '16

22 Aug '16

Hello, [Here : oVirt 3.5.3, 3 x CentOS 7.0 hosts with replica-3 gluster SD on the hosts]. On the switchs, I have created a dedicated VLAN to isolate the glusterFS traffic, but I'm not using it yet. I was thinking of creating a dedicated IP for each node's gluster NIC, and a DNS record by the way ("my_nodes_name_GL"), but I fear using this hostname or this ip in oVirt GUI host network interface tab, leading oVirt think this is a different host. Not being sure this fear is clearly described, let's say : - On each node, I create a second ip+(dns record in the soa) used by gluster, plugged on the correct VLAN - in oVirt gui, in the host network setting tab, the interface will be seen, with its ip, but reverse-dns-related to a different hostname. Here, I fear oVirt might check this reverse DNS and declare this NIC belongs to another host. I would also prefer not use a reverse pointing to the name of the host management ip, as this is evil and I'm a good guy. On your side, how do you cope with a dedicated storage network in case of storage+compute mixed hosts? -- Nicolas ECARNOT

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oVirt-shell command to move a disk
by Nicolas Ecarnot 16 Aug '16

16 Aug '16

Hello, I'm confused because though I'm using ovirt-shell to script many actions every day, and even after a large bunch of reading and testing, I can not find the correct syntax to move (offline/available) disks between storage domains. May you help me please? (oVirt 3.4.4) -- Nicolas Ecarnot

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One RHEV Virtual Machine does not Automatically Resume following Compellent SAN Controller Failover
by Duckworth, Douglas C 30 May '16

30 May '16

Hello -- Not sure if y'all can help with this issue we've been seeing with RHEV... On 11/13/2015, during Code Upgrade of Compellent SAN at our Disaster Recovery Site, we Failed Over to Secondary SAN Controller. Most Virtual Machines in our DR Cluster Resumed automatically after Pausing except VM "BADVM" on Host "BADHOST." In Engine.log you can see that BADVM was sent into "VM_PAUSED_EIO" state at 10:47:57: "VM BADVM has paused due to storage I/O problem." On this Red Hat Enterprise Virtualization Hypervisor 6.6 (20150512.0.el6ev) Host, two other VMs paused but then automatically resumed without System Administrator intervention... In our DR Cluster, 22 VMs also resumed automatically... None of these Guest VMs are engaged in high I/O as these are DR site VMs not currently doing anything. We sent this information to Dell. Their response: "The root cause may reside within your virtualization solution, not the parent OS (RHEV-Hypervisor disc) or Storage (Dell Compellent.)" We are doing this Failover again on Sunday November 29th so we would like to know how to mitigate this issue, given we have to manually resume paused VMs that don't resume automatically. Before we initiated SAN Controller Failover, all iSCSI paths to Targets were present on Host tulhv2p03. VM logs on Host show in /var/log/libvirt/qemu/badhost.log that Storage error was reported: block I/O error in device 'drive-virtio-disk0': Input/output error (5) block I/O error in device 'drive-virtio-disk0': Input/output error (5) block I/O error in device 'drive-virtio-disk0': Input/output error (5) block I/O error in device 'drive-virtio-disk0': Input/output error (5) All disks used by this Guest VM are provided by single Storage Domain COM_3TB4_DR with serial "270." In syslog we do see that all paths for that Storage Domain Failed: Nov 13 16:47:40 multipathd: 36000d310005caf000000000000000270: remaining active paths: 0 Though these recovered later: Nov 13 16:59:17 multipathd: 36000d310005caf000000000000000270: sdbg - tur checker reports path is up Nov 13 16:59:17 multipathd: 36000d310005caf000000000000000270: remaining active paths: 8 Does anyone have an idea of why the VM would fail to automatically resume if the iSCSI paths used by its Storage Domain recovered? Thanks Doug -- Thanks Douglas Charles Duckworth Unix Administrator Tulane University Technology Services 1555 Poydras Ave NOLA -- 70112 E: duckd(a)tulane.edu O: 504-988-9341 F: 504-988-8505

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3.6 upgrade issue
by Jon Archer 01 May '16

01 May '16

Hi all, Wonder if anyone can shed any light on an error i'm seeing while running engine-setup. If just upgraded the packages to the latest 3.6 ones today (from 3.5), run engine-setup, answered the questions, confirming install then get presented with: [ INFO ] Cleaning async tasks and compensations [ INFO ] Unlocking existing entities [ INFO ] Checking the Engine database consistency [ INFO ] Stage: Transaction setup [ INFO ] Stopping engine service [ INFO ] Stopping ovirt-fence-kdump-listener service [ INFO ] Stopping websocket-proxy service [ INFO ] Stage: Misc configuration [ INFO ] Stage: Package installation [ INFO ] Stage: Misc configuration [ ERROR ] Failed to execute stage 'Misc configuration': function getdwhhistorytimekeepingbyvarname(unknown) does not exist LINE 2: select * from GetDwhHistoryTimekeepingByVarName( ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. [ INFO ] Yum Performing yum transaction rollback [ INFO ] Stage: Clean up Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20150929144137-7u5rhg.log [ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20150929144215-setup.conf' [ INFO ] Stage: Pre-termination [ INFO ] Stage: Termination [ ERROR ] Execution of setup failed Any ideas, where to look to fix things? Thanks Jon

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virt-viewer shows no bootoption
by Taste-Of-IT 03 Apr '16

03 Apr '16

Hello, i will install my first vm with centos and setup vnc and spice with bootoption and centos as iso in dvd drive. i downloaded virt-viewer 3.1 for my windows10. if i start the vnc console which opened console.vv and than opened the virt-viewer i see only message of bios version and no boot medium as information. if i reboot the screen doesnt changed and i also have no option from the activated bootmenue? Can anyone help?

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MAC spoofing for specific VMs
by Christopher Young 13 Mar '16

13 Mar '16

I'm working on some load-balancing solutions and they appear to require MAC spoofing. I did some searching and reading and as I understand it, you can disable the MAC spoofing protection through a few methods. I was wondering about the best manner to enable this for the VMs that require it and not across the board (if that is even possible). I'd like to just allow my load-balancer VMs to do what they need to, but keep the others untouched as a security mechanism. If anyone has any advice on the best method to handle this scenario, I would greatly appreciate it. It seems that this might turn into some type of feature request, though I'm not sure if this is something that has to be done at the Linux bridge level, the port level, or the VM level. Any explanations into that would also help in my education. Thanks, Chris

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Highly Available in 3.6 and USB support
by jaumotte, styve 21 Feb '16

21 Feb '16

--_000_AM3PR02MB29653FCC03F78819A980A6A86070AM3PR02MB296eurprd_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi everybody, After testing some features on 3.5, we are planning to finaly go to 3.6. So= me problems still exist. A major problem still remain on the < Highly Available > option on vm wich = doesn't work. I had a cluster with 4 engines and a simple vm. When I start = a poweroff from the node where this vm is living, the node is shutting down= but my vm doesn't restart on another node of the cluster. The power managm= ent of all the node are correctly configure. The HA feature of then hosted-= engine is working well (except it is very long). Another problem consist of passing usb host device to the virtual machine. = We've got some specials usb keys for activating old application and we need= to attach this key to vm. At first, I try with standard usb mass storage k= ey to test this approach. I can't start virtual machine when I add usb devi= ce, I always have the message < The host ... did not satisfy internal filte= r HostDevice because it does not support host device passthrough >. Have an= y idea where I can find an HowTo to help me ? Tanks for your help, SJ --_000_AM3PR02MB29653FCC03F78819A980A6A86070AM3PR02MB296eurprd_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang=3D"FR" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> Hi everybody,<o:p></o:p> <o:p> </o:p> After testing some features on 3.5, we ar= e planning to finaly go to 3.6. Some problems still exist. <o:p></o:p> <o:p> </o:p> A major problem still remain on the &laqu= o; Highly Available » option on vm wich doesn’t work.= I had a cluster with 4 engines and a simple vm. When I start a poweroff fr= om the node where this vm is living, the node is shutting down but my vm does= n’t restart on another node of the cluster. The power managment of al= l the node are correctly configure. The HA feature of then hosted-engine is= working well (except it is very long).<o:p></o:p> <o:p> </o:p> Another problem consist of passing usb ho= st device to the virtual machine. We’ve got some specials usb keys fo= r activating old application and we need to attach this key to vm. At first, I try with standard usb mass storage key to test this= approach. I can’t start virtual machine when I add usb device, I alw= ays have the message « The host … did not satisfy internal= filter HostDevice because it does not support host device passthrough ». Have any idea where I can find an HowTo to help = me ?<o:p></o:p> <o:p> </o:p> Tanks for your help,<o:p></o:p></p= > <o:p> </o:p> SJ<o:p></o:p> <o:p> </o:p> </div> </body> </html> --_000_AM3PR02MB29653FCC03F78819A980A6A86070AM3PR02MB296eurprd_--

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Re: [ovirt-users] R: Re: Network instability after upgrade 3.6.0 -> 3.6.1
by Jon Archer 04 Feb '16

04 Feb '16

This is a multi-part message in MIME format. --------------060204050902010701050107 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi Stefano, It's definitely not the switch, it seems to be the latest kernel package (kernel-3.10.0-327.3.1.el7.x86_64) which stops bonding working correctly, reverting back to the previous kernel brings the network up in 802.3ad mode (4). I know, from reading the release notes of 7.2, that there were some changes to the bonding bits in the kernel so i'm guessing maybe some defaults have changed. I'll keep digging and post back as soon as i have something. Jon On 29/12/15 19:55, Stefano Danzi wrote: > Hi! I didn't solve yet. I'm still using mode 2 on bond interface. > What's your switch model and firmware version? > > -------- Messaggio originale -------- > Da: Jon Archer <jon(a)rosslug.org.uk> > Data: 29/12/2015 19:26 (GMT+01:00) > A: users(a)ovirt.org > Oggetto: Re: [ovirt-users] Network instability after upgrade 3.6.0 -> > 3.6.1 > > Stefano, > > I am currently experiencing the same issue. 2x nic lacp config at > switch, mode 4 bond at server with no connectivity. Interestingly I am > able to ping the switch itself. > > I haven't had time to investigate thoroughly but my first thought is > an update somewhere. > > Did you ever resolve and get back to mode=4? > > Jon > > On 17 December 2015 17:51:50 GMT+00:00, Stefano Danzi > <s.danzi(a)hawai.it> wrote: > > I partially solve the problem. > > My host machine has 2 network interfaces with a bond. The bond was > configured with mode=4 (802.3ad) and switch was configured in the same way. > If I remove one network cable the network become stable. With both > cables attached the network is instable. > > I removed the link aggregation configuration from switch and change the > bond in mode=2 (balance-xor). Now the network are stable. > The strange thing is that previous configuration worked fine for one > year... since the last upgrade. > > Now ha-agent don't reboot the hosted-engine anymore, but I receive two > emails from brocker evere 2/5 minutes. > First a mail with "ovirt-hosted-engine state transition > StartState-ReinitializeFSM" and after "ovirt-hosted-engine state > transition ReinitializeFSM-EngineStarting" > > > Il 17/12/2015 10.51, Stefano Danzi ha scritto: > > Hello, I have one testing host (only one host) with self > hosted engine and 2 VM (one linux and one windows). After > upgrade ovirt from 3.6.0 to 3.6.1 the network connection works > discontinuously. Every 10 minutes HA agent restart hosted > engine VM because result down. But the machine is UP, only the > network stop to work for some minutes. I activate global > maintenace mode to prevent engine reboot. If I ssh to the > hosted engine sometimes the connection work and sometimes no. > Using VNC connection to engine I see that sometime VM reach > external network and sometimes no. If I do a tcpdump on > phisical ethernet interface I don't see any packet when > network on vm don't work. Same thing happens fo others two VM. > Before the upgrade I never had network problems. > ------------------------------------------------------------------------ > 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 > > -- Sent from my Android device with K-9 Mail. Please excuse my brevity. --------------060204050902010701050107 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> Hi Stefano, It's definitely not the switch, it seems to be the latest kernel package (kernel-3.10.0-327.3.1.el7.x86_64) which stops bonding working correctly, reverting back to the previous kernel brings the network up in 802.3ad mode (4). I know, from reading the release notes of 7.2, that there were some changes to the bonding bits in the kernel so i'm guessing maybe some defaults have changed. I'll keep digging and post back as soon as i have something. Jon <div class="moz-cite-prefix">On 29/12/15 19:55, Stefano Danzi wrote: </div> <blockquote cite="mid:yuu6vcix8xss464s04yxu6xv.1451418904304@email.android.com" type="cite"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> Hi! I didn't solve yet. I'm still using mode 2 on bond interface. What's your switch model and firmware version? -------- Messaggio originale -------- Da: Jon Archer <a class="moz-txt-link-rfc2396E" href="mailto:jon@rosslug.org.uk"><jon(a)rosslug.org.uk></a> Data: 29/12/2015 19:26 (GMT+01:00) A: <a class="moz-txt-link-abbreviated" href="mailto:users@ovirt.org">users(a)ovirt.org</a> Oggetto: Re: [ovirt-users] Network instability after upgrade 3.6.0 -> 3.6.1 Stefano, I am currently experiencing the same issue. 2x nic lacp config at switch, mode 4 bond at server with no connectivity. Interestingly I am able to ping the switch itself. I haven't had time to investigate thoroughly but my first thought is an update somewhere. Did you ever resolve and get back to mode=4? Jon <div class="gmail_quote">On 17 December 2015 17:51:50 GMT+00:00, Stefano Danzi <a class="moz-txt-link-rfc2396E" href="mailto:s.danzi@hawai.it"><s.danzi(a)hawai.it></a> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <pre class="k9mail">I partially solve the problem. My host machine has 2 network interfaces with a bond. The bond was configured with mode=4 (802.3ad) and switch was configured in the same way. If I remove one network cable the network become stable. With both cables attached the network is instable. I removed the link aggregation configuration from switch and change the bond in mode=2 (balance-xor). Now the network are stable. The strange thing is that previous configuration worked fine for one year... since the last upgrade. Now ha-agent don't reboot the hosted-engine anymore, but I receive two emails from brocker evere 2/5 minutes. First a mail with "ovirt-hosted-engine state transition StartState-ReinitializeFSM" and after "ovirt-hosted-engine state transition ReinitializeFSM-EngineStarting" Il 17/12/2015 10.51, Stefano Danzi ha scritto: <blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"> Hello, I have one testing host (only one host) with self hosted engine and 2 VM (one linux and one windows). After upgrade ovirt from 3.6.0 to 3.6.1 the network connection works discontinuously. Every 10 minutes HA agent restart hosted engine VM because result down. But the machine is UP, only the network stop to work for some minutes. I activate global maintenace mode to prevent engine reboot. If I ssh to the hosted engine sometimes the connection work and sometimes no. Using VNC connection to engine I see that sometime VM reach external network and sometimes no. If I do a tcpdump on phisical ethernet interface I don't see any packet when network on vm don't work. Same thing happens fo others two VM. Before the upgrade I never had network problems. <hr> Users mailing list <a class="moz-txt-link-abbreviated" href="mailto:Users@ovirt.org">Users(a)ovirt.org</a> <a moz-do-not-send="true" href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a></blockquote> <hr> Users mailing list <a class="moz-txt-link-abbreviated" href="mailto:Users@ovirt.org">Users(a)ovirt.org</a> <a moz-do-not-send="true" href="http://lists.ovirt.org/mailman/listinfo/users">http://lists.ovirt.org/mailman/listinfo/users</a> </pre></blockquote></div> -- Sent from my Android device with K-9 Mail. Please excuse my brevity. </blockquote> </body></html> --------------060204050902010701050107--

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ovirt 3.6 and gluster arbiter volumes?
by Arik Mitschang 28 Jan '16

28 Jan '16

Hi ovirt-users, I have been working on a new install of ovirt 3.6 hosted-engine and ran into difficulty adding a gluster data storage domain to host my VMs. I have 4 servers for gluster (separate from vm hosts) and would like to have the quorum enforcement of replica 3 without sacrificing space. I created a gluster using replica 3 arbiter 1 That looks like this: Volume Name: arbtest Type: Distributed-Replicate Volume ID: 01b36368-1f37-435c-9f48-0442e0c34160 Status: Stopped Number of Bricks: 2 x 3 = 6 Transport-type: tcp Bricks: Brick1: t2-gluster01b:/gluster/00/arbtest Brick2: t2-gluster02b:/gluster/00/arbtest Brick3: t2-gluster03b:/gluster/00/arbtest.arb Brick4: t2-gluster03b:/gluster/00/arbtest Brick5: t2-gluster04b:/gluster/00/arbtest Brick6: t2-gluster01b:/gluster/00/arbtest.arb Options Reconfigured: nfs.disable: true network.ping-timeout: 10 storage.owner-uid: 36 storage.owner-gid: 36 cluster.server-quorum-type: server cluster.quorum-type: auto network.remote-dio: enable cluster.eager-lock: enable performance.stat-prefetch: off performance.io-cache: off performance.read-ahead: off performance.quick-read: off performance.readdir-ahead: on But adding to gluster I get the following error: "Error while executing action AddGlusterFsStorageDomain: Error creating a storage domain's metadata" I guess my question really is, are volumes like this supposed to be supported in ovirt 3.6? If so, then this looks like some bug to me and I will file a report. Here are versions of main components I am using: ovirt-engine-3.6.0.3-1.el7.centos.noarch glusterfs-3.7.6-1.el7.x86_64 vdsm-4.17.10.1-0.el7.centos.noarch Thanks, -Arik

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