- Users - oVirt List Archives

Ovirt engine disk size
by rightkicktech.gmail.com 27 Feb '17

27 Feb '17

------CR8OUX5T1K46M8DIM38B5KXIHTDQJX Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Hi all, I have setup self hosted engine using ovirt v4.1 on two hosts for testing. The default engine image downloaded has a disk of 10G. How I can increase the disk size of the engine? Thanx, Alex -- Sent from my Android device with K-9 Mail. Please excuse my brevity. ------CR8OUX5T1K46M8DIM38B5KXIHTDQJX Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit Hi all, I have setup self hosted engine using ovirt v4.1 on two hosts for testing. The default engine image downloaded has a disk of 10G. How I can increase the disk size of the engine? Thanx, Alex -- Sent from my Android device with K-9 Mail. Please excuse my brevity. ------CR8OUX5T1K46M8DIM38B5KXIHTDQJX--

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ovirt 4.1 - is power management essential for hosted engine clustering ?
by Joseph Kelly 27 Feb '17

27 Feb '17

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Hosting an oVirt test cluster on single machine running Fedora 25 with nested virtualization enabled.
by john 27 Feb '17

27 Feb '17

Hi everybody, I'm having a nightmarish time trying to test oVirt and RHEV on my main machine which i just upgraded to Fedora 25 (before realising oVirt is still on F24). Nevertheless, it seems to me I shouldn't have a problem if i just use F24/RHEV/oVirt nodes running under my F25 machine. The F25 physical host is a pretty powerful machine, 8 (HT) cores, SSD storage, 16 GB ram (bit light on RAM but this should be just sufficient to run the engine & host, and say one test host) Main problem is that i just cannot seem to add a new host to this cluster. I am using the F25 physical host to export NFS4 storage (on SSD), for the oVirt cluster. So currently, I have, all on one physical machine: 1) ovirt-engine-host vm - this is the F24 host which i ran hosted-engine --deploy in. So, if the physical host is layer 0 (L0), this is L1. VM has been given 3 CPUs, 6GB of RAM 2) ovirt-engine vm- this is the vm inside ovirt-engine-host, and this vm is the main ovirt admin engine/appliance. The image for this appliance was obtained from: ovirt-engine-appliance-4.1-20170201.1.fc24.noarch.rpm So this vm is at L2. According to the ovirt Manager web admin page, this is running: oVirt Engine Version:4.1.0.3-1.el7.centos When i ran the hosted-engine --deploy, I specified 2 CPUs, 4GB of RAM, however, when i look at this host in the management webpqage, it reports 3 CPU, and 6GB of RAM, so the hosted engine deploy script seems to have ignored my wishes and given this vm the full resources of its host vm, which is a little annoying but shouldnt be causing a problem at this stage. Basically, this seems to be working. I can login to the oVirt Manager webpage and see my whole datacenter, storage, cluster, etc. I've been able to add a data domain, and an iso storage domain, and when i did this, the new data storage domain became the Master, and the hosted_storage domain (holding my ovirt-engine host) appeared out of nowhere in the UI. So i now have 3 storage domains - the hosted_engine, the master, and iso storage. So anyway, this is where the problems start. No matter what I try, I can't seem to add a host to this cluster, which seems to be working fine otherwise. On all my F24 hosts Ive installed python2-dnf which is required by oVirt on F24, installed nfs-utils so it can mount nfs shares, enabled ovirt repository, setup static IP address, tweaked /etc/hosts so all my hosts can see each other without relying on the physical KVM host's DNS. I have tried: 1) create a new F24 VM under my physical host, so, at L1. I called this ovirt-host-01. I have enabled CPU host-passthrough in KVM so this VM can also run nested VMs, which is of course, the main objective. I've given this VM 3 CPUs, and 6GB of RAM. Go to Management webpage and try to add this as a new host. It ALMOST succeeds, but at the end it fails to mount my hosted_storage domain. It correctly mounts the main master data domain, and the iso domain, but fails to mount the hosted_storage domain. I can mount this domain manually, and I just can't work out why this fails, it's incredibly frustrating. 2) create a new host using the latest oVirt node iso: ovirt-node-ng-installer-ovirt-4.0-2017011712.iso node has 25 GB disk,3 CPUs, 6GB of RAM. Cockpit admin webpage reports it is an "oVirt Node 4.0.6.1" The node seems to be running fine, but i can't seem to add it to my main cluster. The VDSM service is failing because it's not a member of any domain. The main "System" tab in CockPit lists all the details, but for Domain, it says: "Join Domain". Nowhere in this CockPit admin webpage does there appear to be any way to actually specify the domain to join. So, I go to my main engine Admin page, and try to add this node as a new host. It attempts to do so, but fails, after trying to trying to install the package collectd, which is in epel. So i enable epel, even though I'm sure something must be drastically wrong here, because this oVirt node should have everything it needs already installed on it. Trying to reinstall again, it fails with the exact same error in the deployment log, saying collectd cannot be found even though it is available from epel & epel repo is enabled. Summary: This is incredibly frustrating. Why is it so hard to add a host to an oVirt cluster. This should be child's play. What is going on? I have seen another email to this list saying you have to run hosted engine deploy on bare metal (L0), so the engine vm is at L1, or the HA features of vdsm are pointless, but I'm not clear why that is, I was hoping i should be able to get some sort of power management setup eventually, KVM & virsh should be able to provide full power management of the hosts even if i had to kludge together a few scripts myself. Plus that still shouldn't prevent me from setting up this test cluster surely. I know i haven't configured power management properly on the hosts i'm adding, but, so what, they should at least work for testing purposes. If we set aside the power management issues for now, I can't see why there should be issues setting up this whole cluster under KVM on a single physical host. The nested virtualisation is working perfectly. Apologies for the long email, but i thought it best to get most of the details out there, so ppl won't have to go back & forth asking questions just to see what i am trying to do. Any questions re details i've left out though, pls feel free to ask. If anyone can offer any halp or advice it'd be greatly appreciated, ta and cheers! J

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upgrading from 3.6 -> 4.1, vm restarts at 4.0 mandatory?
by Darrell Budic 26 Feb '17

26 Feb '17

I’m upgrading my main cluster from 3.6 to 4.1, and I’m currently at 4.0. I’ve upgraded the cluster and datacenter compatibility versions to 4.0, and now all my VMs are pending restart to update their configs to 4.0. My question is “Do I need to do this here, or can I go ahead and update the engine and host nodes to 4.1, update compatibility to 4.1, and then restart all the VMs to get them on 4.1”? Or is that unsafe, will I screw them up if I go to 4.1 compatibility in this state? Thanks, -Darrell

2 2

oVirt 4.1 Release Stops at Installing host on enrrolling serial console certificate
by Manuel Luis Aznar 26 Feb '17

26 Feb '17

Hello there, I am doing a very litle installation at home, just with one machine (Asus X99-E WS and Intel Core i7 6850K), all is fine until I reached the installation of the host (adding host). The web admin interface get stopped and the last event is Enrrolling Serial Console Certificate and in few litle seconds the web admin interface stops responding. To make the web admin interface back again I need to do engine-cleanup and engine-setup... Hope somebody can help me, Thanks Manuel

1 0

Restoring Hosted Engine to failed
by Logan Kuhn 26 Feb '17

26 Feb '17

Hi I'm in the process of trying to restore our previous hosted engine onto new, permanent, storage. I've followed this guide: https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hosted-engi… It went pretty smoothly up until the hosted engine deploy tried to add the host to the environment. The error was Unable to add HEVM to the manager. However, I can login to the environment just fine, but it does not have the HEVM and the host it's currently running on is down. I've attached the hosted engine setup log. Let me know if there are any other logs that will be helpful Logan

3 3

ovirt 4.1.0.4 error..
by Thomas Davis 26 Feb '17

26 Feb '17

I am getting this error message: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: java.io.StringReader@4c65dbb1; line: 1, column: 2] in both screen after login on ovirt, and in the engine.log. Any ideas one what it is looking for this? This ovirt setup has gone from 3.5 -> 3.6 -> 4.0 -> 4.1. I am currently blocked on doing any VM management in ovirt due to this.. thomas

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Recognize HE iSCSI volume size change
by Chris Adams 24 Feb '17

24 Feb '17

I'm testing upgrading an oVirt 3.5 setup, and I have run into a problem when going from 3.5 to 3.6 on a physical machine configured for the hosted engine. I upgraded the engine itself okay, but when I upgraded the first physical machine, it cannot be re-activated; it gets an error connecting to the storage domain. Checking the logs, it looks like it is looping trying to create a new LV in the HE VG. I assume this is for moving the HE config to the shared storage? It is failing because it is trying to create a 1G LV, but the VG only has 512M free space. I extended the iSCSI volume, but there doesn't appear to be anyway to get the HE nodes to recognize this; they both still see the original size, no matter what I try. Is there a way to get them to see the larger PV, so the new LV(s) can be created? -- Chris Adams <cma(a)cmadams.net>

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Re: [ovirt-users] Disable guest agent not installed warning
by Karli Sjöberg 24 Feb '17

24 Feb '17

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Troubleshoot failed storage migration
by Christian Grenier 24 Feb '17

24 Feb '17

--_000_3A56B77305AE8C409AD1F3C35371BB611A67E8FESBSB2B2Cincloca_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I had an outage during live storage migration of a VM disk between two iSCS= I. Since the outage prevented Ovirt to cleanly remove stuff on the destination= iSCSI when the failure occurred, I think there's leftovers on the destinat= ion iSCSI. The result is that any further attempt to live storage migrate t= his VM disk fails with error "Cannot create Logical Volume" How can I troubleshoot / fix this ? -- Christian Grenier --_000_3A56B77305AE8C409AD1F3C35371BB611A67E8FESBSB2B2Cincloca_ 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-CA" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> I had an outage during live sto= rage migration of a VM disk between two iSCSI. <o:p></o:p> <o:p> </o:p> Since the outage prevented Ovir= t to cleanly remove stuff on the destination iSCSI when the failure occurre= d, I think there’s leftovers on the destination iSCSI. The result is = that any further attempt to live storage migrate this VM disk fails with error “Cannot create Logical Volume”<o= :p></o:p> <o:p> </o:p> How can I troubleshoot / fix th= is ?<o:p></o:p> <o:p> </o:p> -- Christian Grenier  <o:p></o:p> <o:p> </o:p> </div> </body> </html> --_000_3A56B77305AE8C409AD1F3C35371BB611A67E8FESBSB2B2Cincloca_--

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