Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Shahar Havivi
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

Re: [ovirt-users] massive simultaneous vms migrations ?

2017-04-18 Thread Konstantin Shalygin
Hello. What is your Migration Network? We have some hosts that have 60 vms. So this will create a 60 vms migrating simultaneously. Some vms are under so much heavy loads that migration fails often (our guess is that massive simultaneous migrations does not help migration convergence) - even

[ovirt-users] PXELinux BIOS reboot loop on Ubuntu 16.04

2017-04-18 Thread Matt .
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

Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Konstantin Raskoshnyi
I don't have that user at all. The old hosts have only libvirtd installed and running kvm hosts Also instruction is for XEN, we don't run XEN VMs So it On Tue, Apr 18, 2017 at 2:20 AM, Michal Skrivanek < michal.skriva...@redhat.com> wrote: > > On 18 Apr 2017, at 09:25, Konstantin Raskoshnyi

Re: [ovirt-users] Best Storage Option: iSCSI/NFS/GlusterFS?

2017-04-18 Thread Bryan Sockel
Was reading over this post to the group about storage options. I am more of a windows guy as appose to a linux guy, but am learning quickly and had a question. You said that LACP will not provide extra band with (Especially with NFS). Does the same hold true with GlusterFS. We are currently

Re: [ovirt-users] storage redundancy in Ovirt

2017-04-18 Thread Pavel Gashev
On Tue, 2017-04-18 at 17:19 +, Nir Soffer wrote: On Tue, Apr 18, 2017 at 12:23 AM Pavel Gashev > wrote: Nir, A process can chdir into mount point and then lazy umount it. Filesystem remains mounted while the process exists and current directory is

Re: [ovirt-users] Empty ovirt engine web pages

2017-04-18 Thread shubham dubey
Thanks,the error is resolved. On Tue, Apr 18, 2017 at 1:23 PM, Maor Lipchuk wrote: > > > On Tue, Apr 18, 2017 at 10:50 AM, Maor Lipchuk > wrote: > >> Hi Shubham, >> >> In case you do not need the DWH setup, you can disable the Dashboard >> background

Re: [ovirt-users] storage redundancy in Ovirt

2017-04-18 Thread Nir Soffer
On Tue, Apr 18, 2017 at 12:23 AM Pavel Gashev wrote: > Nir, > > A process can chdir into mount point and then lazy umount it. Filesystem > remains mounted while the process exists and current directory is on > mounted filesystem. > > # struncate -s 1g masterfs.img > # mkfs.ext4

Re: [ovirt-users] options for fence_ipmilan?

2017-04-18 Thread Martin Perina
On Tue, Apr 18, 2017 at 12:29 PM, Gianluca Cecchi wrote: > On Tue, Apr 18, 2017 at 12:16 PM, Matthias Leopold < > matthias.leop...@meduniwien.ac.at> wrote: > >> hi, >> >> i'm trying to make fencing (via ipmilan) work with a ipmi user with only >> "OPERATOR"

Re: [ovirt-users] massive simultaneous vms migrations ?

2017-04-18 Thread Pavel Gashev
VDSM has the following config option: # Maximum concurrent outgoing migrations # max_outgoing_migrations = 2 On Tue, 2017-04-18 at 18:48 +0200, Nelson Lameiras wrote: hello, When putting a host on "maintenance mode", all vms start migrating to other hosts. We have some hosts that have 60 vms.

[ovirt-users] massive simultaneous vms migrations ?

2017-04-18 Thread Nelson Lameiras
hello, When putting a host on "maintenance mode", all vms start migrating to other hosts. We have some hosts that have 60 vms. So this will create a 60 vms migrating simultaneously. Some vms are under so much heavy loads that migration fails often (our guess is that massive simultaneous

[ovirt-users] Question about Huge Pages

2017-04-18 Thread Gianluca Cecchi
Hello, I'm testing virtualization of some Oracle servers. I have 4.1.1 with CentOS 7.3 servers as hypervisors. Typically on physical Oracle servers I configure huge pages for Oracle memory areas. In particular I disable Transparent Huge Pages, because they are known to be in conflict with Oracle

Re: [ovirt-users] Ovirt 4.0 to 4.1 CentOS7.3 and libvirtd 2.0.0 segfault issue

2017-04-18 Thread Rafał Wojciechowski
hi, I was unable to just remove glibc and install it again - I have reinstalled it and rebooted the machine but it was not fixed anything Thanks anyway. Regards, Rafal Wojciechowski W dniu 18.04.2017 o 10:53, Yanir Quinn pisze: Hi Rafal not sure it relates to your issue, but i experienced a

Re: [ovirt-users] engine upgrade 4.1.0 => 4.1.1, no more engine console available

2017-04-18 Thread Rafał Wojciechowski
hi, I applied it for /usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/ovf/ content, then rebooted, reinstalled host in ovirt engine web administrator, again rebooted and tried again but I have still the same issue with libvirtd segfault Regards, Rafal Wojciechowski W dniu

Re: [ovirt-users] Storage latency message

2017-04-18 Thread Chris Adams
Once upon a time, Nir Soffer said: > Ovirt is reading 4k from the metadata special volume every 10 secods. If > the read takes more than 5 seconds, you will see this warning in engine > event log. > > Maybe your storage or the host was overloaded at that time (e.g. vm

Re: [ovirt-users] Change DNS Server

2017-04-18 Thread Kai Wagner
Ok I found /var/lib/vdsm/persistence/netconf/ and fixed my problem. I'm not sure if that's the usual way but it worked. On 04/18/2017 10:47 AM, Kai Wagner wrote: > Hi, > > where can I change the dns server for my hosts? I know the DNS entry is > part of the ifcfg-* file, but I tried to change

Re: [ovirt-users] engine upgrade 4.1.0 => 4.1.1, no more engine console available

2017-04-18 Thread Evgenia Tokar
Hi, Thanks for bringing the issue to our attention and for answering the questions. There is a patch to fix this: https://gerrit.ovirt.org/#/c/75515/ After applying the patch a restart to the hosted engine vm is required (not just the engine). Let me know if you are still experiencing issues

Re: [ovirt-users] options for fence_ipmilan?

2017-04-18 Thread Matthias Leopold
Am 2017-04-18 um 12:29 schrieb Gianluca Cecchi: On Tue, Apr 18, 2017 at 12:16 PM, Matthias Leopold > wrote: hi, i'm trying to make fencing (via ipmilan) work with a ipmi user with only "OPERATOR"

Re: [ovirt-users] options for fence_ipmilan?

2017-04-18 Thread Gianluca Cecchi
On Tue, Apr 18, 2017 at 12:16 PM, Matthias Leopold < matthias.leop...@meduniwien.ac.at> wrote: > 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

[ovirt-users] options for fence_ipmilan?

2017-04-18 Thread Matthias Leopold
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', ,

Re: [ovirt-users] vm "maximum memory" setting questions

2017-04-18 Thread Nelson Lameiras
Hello michal, Thanks for your answers. If others have same questions, I did found this information below on oVirt web site (http://www.ovirt.org/develop/release-management/features/engine/maximum-memory-size/) Note on size of maximum memory If memory hot-plug is not required, max memory

Re: [ovirt-users] vm "maximum memory" setting questions

2017-04-18 Thread Michal Skrivanek
> On 18 Apr 2017, at 11:46, Nelson Lameiras > wrote: > > Hello, > > A new vm setting "maximum memory" has appeared in oVirt >4 which by default > has the value "current memory”*4 In 4.1 > > - Why is "maximum memory" setting necessary to set? > - Why

[ovirt-users] vm "maximum memory" setting questions

2017-04-18 Thread Nelson Lameiras
Hello, A new vm setting "maximum memory" has appeared in oVirt >4 which by default has the value "current memory"*4 - Why is "maximum memory" setting necessary to set? - Why isn't this value set to "infinity" by default ? It seems to me kind of uselessly counter productif to have to decide

Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Shahar Havivi
for more info about setting the vdsm user you can see this section: https://www.ovirt.org/develop/release-management/features/virt/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

Re: [ovirt-users] ISSUES WITH EDITING A CLUSTER SO IT CAN BE PART OF A NEW DATACENTER

2017-04-18 Thread Yaniv Kaul
On Tue, Apr 18, 2017 at 8:05 AM, martin chamambo wrote: > @gianlucca yes you are right that would have worked definitely...because a > prerequisite for removing a storage domain is having another say nfs or > iscsi as the master then decommissioning the old onei opted

Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Michal Skrivanek
> On 18 Apr 2017, at 09:25, Konstantin Raskoshnyi 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”

[ovirt-users] impossible to change console graphics on hosted engine

2017-04-18 Thread Nelson Lameiras
Hello, My hosted engine has currently VNC (+cirrus) graphics console, which has serious performance issues with my remote-viewer (theses issues are not important for this mail) I know that SPICE (+QXL) works perfect for me, so I tried to update my hostedEngine console settings on oVirt GUI,

Re: [ovirt-users] VDSM overwrites network config

2017-04-18 Thread Edward Haas
On Tue, Apr 11, 2017 at 4:46 PM, Alan Cowles wrote: > Hey Dan, > > Here is a layout of my environment setup, and the primary issue I have run > into, hopefully it helps to clear up the confusion. > > Configure 2 hosts identically, eth0, eth1, eth0.502 (mgmt), eth1.504

Re: [ovirt-users] Ovirt 4.0 to 4.1 CentOS7.3 and libvirtd 2.0.0 segfault issue

2017-04-18 Thread Yanir Quinn
Hi Rafal not sure it relates to your issue, but i experienced a similar issue with segfault (running on fedora 25) to resolve it i had to remove glibc packages and then install them again (maybe a same workaround for libvirt will do the job here) Regards Yanir Quinn On Tue, Apr 18, 2017 at 9:32

Re: [ovirt-users] Latency threshold between Hosted Engine and Hosts

2017-04-18 Thread Piotr Kliczewski
Fernando, We use heartbeats to understand health of the connection. Potentially you may see heartbeat exceeded exceptions so you may want to increase vdsHeartbeatInSeconds. I would not change it in advance but as you see the issue and slowly increase the value. Thanks, Piotr On Tue, Apr 18,

Re: [ovirt-users] [oVirt 4.1] oVirt installation and hotplug memory to the hosted-engine VM

2017-04-18 Thread Martin Sivak
> can the force-download be disabled I will defer to Simone here > 2 - Can we hotplug memory on the hosted-engine VM? if yes how? We do not support hotplug. However, editing the VM in webadmin should trigger a sync that distributes the new settings to all hosted engine nodes. This might take a

[ovirt-users] Change DNS Server

2017-04-18 Thread Kai Wagner
Hi, where can I change the dns server for my hosts? I know the DNS entry is part of the ifcfg-* file, but I tried to change it there and after a reboot the old entry was restored from anywhere. Kai -- SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG

Re: [ovirt-users] Latency threshold between Hosted Engine and Hosts

2017-04-18 Thread Edward Haas
Hello Fernando, There is no known problem with such delay figures. The heartbeat to the hosts is of several seconds. Thanks, Edy. On Mon, Apr 17, 2017 at 5:11 PM, FERNANDO FREDIANI < fernando.fredi...@upx.com> wrote: > Hello. > > I have a Engine which is hosted in a optimal location for the

Re: [ovirt-users] Empty ovirt engine web pages

2017-04-18 Thread Maor Lipchuk
On Tue, Apr 18, 2017 at 10:50 AM, Maor Lipchuk wrote: > Hi Shubham, > > In case you do not need the DWH setup, you can disable the Dashboard > background queries via the ovirt-engine.conf. > > Please, add the following file to your $DEV_OVIRT_PREFIX folder: >

Re: [ovirt-users] Empty ovirt engine web pages

2017-04-18 Thread Maor Lipchuk
Hi Shubham, In case you do not need the DWH setup, you can disable the Dashboard background queries via the ovirt-engine.conf. Please, add the following file to your $DEV_OVIRT_PREFIX folder: "$DEV_OVIRT_PREFIX/etc/ovirt-engine/engine.conf.d/99-no-dashboard.conf" and add it the following

Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Konstantin Raskoshnyi
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 Here's the error, 2017-04-18 07:24:06,152Z ERROR

Re: [ovirt-users] Ovirt 4.0 to 4.1 CentOS7.3 and libvirtd 2.0.0 segfault issue

2017-04-18 Thread Francesco Romani
On 04/18/2017 08:09 AM, Rafał Wojciechowski wrote: > > hello, > > I made comparison(+diff) between xml passing through vdsm which is > working and another one which cause libvirtd segfault > > https://paste.fedoraproject.org/paste/eqpe8Byu2l-3SRdXc6LTLl5M1UNdIGYhyRLivL9gydE= > > > I am not sure

Re: [ovirt-users] Importing existing KVM hosts to Ovirt

2017-04-18 Thread Shahar Havivi
Hi, There is a wiki page for importing VMs from other hypervisors here: https://www.ovirt.org/develop/release-management/features/virt/virt-v2v-integration/ and specific for KVM from Libvirt the wiki page is in progress but you can read about it here:

Re: [ovirt-users] Compiling oVirt for Debian.

2017-04-18 Thread Yedidyah Bar David
On Sun, Apr 16, 2017 at 6:54 AM, Leni Kadali Mutungi wrote: >>> I think that all of them are maintained on gerrit.ovirt.org, and most >>> have >>> mirrors on github.com/ovirt. >>> > Found all the source code on gerrit.ovirt.org; not all of it is > mirrored to

Re: [ovirt-users] Ovirt 4.0 to 4.1 CentOS7.3 and libvirtd 2.0.0 segfault issue

2017-04-18 Thread Rafał Wojciechowski
hello, I made comparison(+diff) between xml passing through vdsm which is working and another one which cause libvirtd segfault https://paste.fedoraproject.org/paste/eqpe8Byu2l-3SRdXc6LTLl5M1UNdIGYhyRLivL9gydE= I am not sure if below setting are fine but I dont know how to change them