[ovirt-users] Poor performance of oVirt Export Domain

2018-08-03 Thread Aleksey . I . Maksimov
Hello I deployed a dedicated server (fs05.holding.com) on CentOS 7.5 and created a VDO volume on it. The local write test in the VDO volume on this server gives us an acceptable result # dd if=/dev/zero of=/mnt/vdo-vd1/nfs/testfile count=100 100+0 records in 100+0 records out

[ovirt-users] Re: Tuning and testing GlusterFS performance

2018-08-03 Thread Sahina Bose
On Fri, 3 Aug 2018 at 3:07 PM, Jayme wrote: > Hello, > > The option to optimize for virt store is tough to find (in my opinion) you > have to go to volumes > volume name and then click the two dots to expand > further options in the top right to see it. No one would know to find it > (or that

[ovirt-users] Re: Unable to revive host after a reboot

2018-08-03 Thread julius . schwartzenberg
But when I do 'ip addr show' the ovirtmgmt interface is there and 'brctl show' shows that it's bridged with eno1. This suggests me that ovirtmgmt was not removed. The host is still listed in the engine, so I cannot re-add it. The remove button is grayed out, so I cannot remove it either. I'm

[ovirt-users] Re: Possible to use Console via Mac web browser?

2018-08-03 Thread Michal Skrivanek
> On 3 Aug 2018, at 00:34, Jayme wrote: > > I got it working in chrome by setting spice+vnc then selecting the novnc > option in the console options Yes, that is currently the most flexible option. That way you can choose between VNC (most compatible, web-based client) and SPICE (better

[ovirt-users] Re: Unable to revive host after a reboot

2018-08-03 Thread Edward Haas
On Fri, Aug 3, 2018 at 10:22 AM, wrote: > But when I do 'ip addr show' the ovirtmgmt interface is there and 'brctl > show' shows that it's bridged with eno1. This suggests me that ovirtmgmt > was not removed. > Nevertheless, it is no longer owned by oVirt/VDSM. > > The host is still listed in

[ovirt-users] Re: Unable to revive host after a reboot

2018-08-03 Thread julius . schwartzenberg
I just noticed that indeed ovirtmgmt had moved to the right part there. Dragging it to the left allowed me to bring up the host again! Then I got to this error when trying to run a VM "Cannot run VM. Unknown Data Center status.". When I checked the status it says 'Non Responsive'. It turns out

[ovirt-users] Re: Switch from nightly to stable

2018-08-03 Thread Michal Skrivanek
> On 2 Aug 2018, at 10:30, Demeter Tibor wrote: > > Dear users, > Around ovirt 4.2.2 after a bug I had switch to nightly from stable. Its was > do applied only on the engine, not compute nodes. > But now I would like to switch back to stable branch. > How is safe that? I just need do remove

[ovirt-users] Re: Tuning and testing GlusterFS performance

2018-08-03 Thread Jayme
Hello, The option to optimize for virt store is tough to find (in my opinion) you have to go to volumes > volume name and then click the two dots to expand further options in the top right to see it. No one would know to find it (or that it even exists) if they weren't specifically looking. I

[ovirt-users] Re: Tuning and testing GlusterFS performance

2018-08-03 Thread Sahina Bose
On Fri, Aug 3, 2018 at 5:25 AM, Jayme wrote: > Bill, > > I thought I'd let you (and others know this) as it might save you some > headaches. I found that my performance problem was resolved by clicking > "optimize for virt store" option in the volume settings of the hosted > engine (for the

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Jan Siml
Hello, If there are Disk Uploads that have not completed (i.e: currently Paused or with Error) and were not canceled the upgrade will fail.This is due to a foreign key being added on 4.2.5, relating image_transfers table to command_entities table. When the roll-back to the previous RHV-M

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
As the potential user could upgrade from an older version, though not recommended to stay too much below, I simulate this upgrade from 4.2.3.7 (current engine package version is ovirt-engine-4.2.3.7-1.el7.noarch updated on 26/05) to 4.2.5 and I get this in engine-setup [ INFO ] Backing up

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Daniel Erez
On Fri, Aug 3, 2018 at 2:01 PM Jan Siml wrote: > Hello, > > > If there are Disk Uploads that have not completed (i.e: currently > > Paused or with Error) and were not canceled the upgrade will fail.This > > is due to a foreign key being added on 4.2.5, relating image_transfers > > table to

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
In particular, the log of the db restore, where I can find it? to understand which state of the db I have now on disk... the old, the new, a partial restore or what... at this time the image_transfers table is clearly the old one without the foreign key: engine=# \d image_transfers

[ovirt-users] Datacenter of several Hosts with Local Storage ? (share Logical Network)

2018-08-03 Thread jeanbaptiste
Hello, My question is pretty simple :) Is there a way to configure Local(s) Storage Datacenter with more than 1 host ? The goal is is to share some Datacenter simple parameters between several hosts (with Local storage) like Logical Networks ? If it is not possible what is the best way /

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Jan Siml
Hello, There are probably some more stale image transfers records, can you please check whether 'image_transfers' table is empty? If not, you can try removing them by executing: "DELETE FROM image_transfers WHERE command_id NOT IN (SELECT command_entities.command_id FROM command_entities);"

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Vaibhav Pagar
Hello, If there are Disk Uploads that have not completed (i.e: currently Paused or with Error) and were not canceled the upgrade will fail.This is due to a foreign key being added on 4.2.5, relating image_transfers table to command_entities table. When the roll-back to the previous RHV-M

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Greg Sheremeta
On Fri, Aug 3, 2018 at 7:01 AM Jan Siml wrote: > Hello, > > > If there are Disk Uploads that have not completed (i.e: currently > > Paused or with Error) and were not canceled the upgrade will fail.This > > is due to a foreign key being added on 4.2.5, relating image_transfers > > table to

[ovirt-users] cannot activate host

2018-08-03 Thread Jiří Sléžka
Hi, I have one interesting issue. I was asked by colleague to repair his cluster which is part of our oVirt installation. He tried to upgrade his host to gain 4.2 compatibility level but it fails in some cases. Never mind, I checked it, repaired, installed upgrades and activate his hosts with one

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 3:52 PM, Gianluca Cecchi wrote: > On Fri, Aug 3, 2018 at 2:14 PM, Jan Siml wrote: > >> Hello, >> >> There are probably some more stale image transfers records, >>> can you please check whether 'image_transfers' table is empty? >>> If not, you can try removing them by

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Jan Siml
Hello, On 03.08.2018 15:52, Gianluca Cecchi wrote: On Fri, Aug 3, 2018 at 2:14 PM, Jan Siml > wrote: Hello, There are probably some more stale image transfers records, can you please check whether 'image_transfers' table is empty? If not,

[ovirt-users] Re: Pool

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 4:23 PM, wrote: > Thanks Gianluca > > What is the advantage to be in stateless? > > José > > I think you could read this link: https://www.ovirt.org/documentation/admin-guide/chap-Pools/ and also official RHV doc here:

[ovirt-users] Re: Pool

2018-08-03 Thread suporte
Hi Petr, When I detach a VM from a pool, the VM remains in stateless server, meaning, if I do some changes in the disk, install some software change some configurations, and do a shutdown, when the VM comes live again I loose everything and all modifications I did before. How can I avoid

[ovirt-users] [ANN] oVirt 4.2.6 First Release Candidate is now available

2018-08-03 Thread Sandro Bonazzola
The oVirt Project is pleased to announce the availability of the oVirt 4.2.6 First Release Candidate for testing, as of August 3rd, 2018. This update is a release candidate of the sixth in a series of stabilization updates to the 4.2 series. This is pre-release software. This pre-release should

[ovirt-users] Re: Pool

2018-08-03 Thread suporte
Better is you remember to remove the stateless property, when the VM is shutdown and before you make any change on the disk. Why, by default, the VM remains in stateless after you detach it from the pool? De: "Gianluca Cecchi" Para: supo...@logicworks.pt Cc: "Petr Kotas" , "users"

[ovirt-users] Re: Pool

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 4:08 PM, wrote: > Better is you remember to remove the stateless property, when the VM is > shutdown and before you make any change on the disk. > > Why, by default, the VM remains in stateless after you detach it from the > pool? > > I thought that for a stateless VM the

[ovirt-users] Re: Pool

2018-08-03 Thread suporte
Thanks Gianluca What is the advantage to be in stateless? José De: "Gianluca Cecchi" Para: supo...@logicworks.pt Cc: "Petr Kotas" , "users" Enviadas: Sexta-feira, 3 De Agosto de 2018 15:13:44 Assunto: Re: [ovirt-users] Re: Pool On Fri, Aug 3, 2018 at 4:08 PM, < supo...@logicworks.pt

[ovirt-users] Re: Pool

2018-08-03 Thread suporte
Thanks again. De: "Gianluca Cecchi" Para: supo...@logicworks.pt Cc: "Petr Kotas" , "users" Enviadas: Sexta-feira, 3 De Agosto de 2018 15:39:58 Assunto: Re: [ovirt-users] Re: Pool On Fri, Aug 3, 2018 at 4:23 PM, < supo...@logicworks.pt > wrote: Thanks Gianluca What is the advantage

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Jan Siml
Hello, So your workflow was: - run engine-setup and got failure was it able in your case to restore the engine db in this first run and start engine again? You wrote that there was an upload failure and that you removed it: did you mean you removed it from the GUI, and confirming that after

[ovirt-users] Re: UI plugin of billing

2018-08-03 Thread Vojtech Szocs
Hello! If you'd like to create your own UI plugin, I'd suggest to first take a look at samples-uiplugins repo. In general, the UI plugin API has stayed (more or less) backwards-compatible since oVirt 3.2.x days, so most of these sample

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 2:14 PM, Jan Siml wrote: > Hello, > > There are probably some more stale image transfers records, >> can you please check whether 'image_transfers' table is empty? >> If not, you can try removing them by executing: >> "DELETE FROM image_transfers WHERE command_id NOT IN

[ovirt-users] Re: Pool

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 3:46 PM, wrote: > Hi Petr, > > When I detach a VM from a pool, the VM remains in stateless server, > meaning, if I do some changes in the disk, install some software change > some configurations, and do a shutdown, when the VM comes live again I > loose everything and all

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
On Fri, Aug 3, 2018 at 4:09 PM, Jan Siml wrote: > Hello, > > On 03.08.2018 15:52, Gianluca Cecchi wrote: > >> On Fri, Aug 3, 2018 at 2:14 PM, Jan Siml > js...@plusline.net>> wrote: >> >> Hello, >> >> There are probably some more stale image transfers records, >> can you

[ovirt-users] Re: Schema upgrade error while updating 4.2.4 to 4.2.5

2018-08-03 Thread Gianluca Cecchi
Thanks for your explanation. Just one more clarification. See below On Fri, Aug 3, 2018 at 5:06 PM, Jan Siml wrote: > Hello, > > So your workflow was: >> >> - run engine-setup and got failure >> was it able in your case to restore the engine db in this first run and >> start engine again? >>

[ovirt-users] Re: better understand ovirt-engine functions

2018-08-03 Thread stuartk
I have been reading about fencing: https://www.ovirt.org/develop/developer-guide/engine/automatic-fencing/ https://www.slideshare.net/MartinPeina/host-fencing-in-ovirt-fixing-the-unknown-and-allowing-vms-to-be-highly-available Looking at Edit Cluster, I see: X Enable Fencing Skip fencing if