[ovirt-users] FreeBSD 13 and virtio

[Nur Imam Febrianto]

Hi,

Any body already try FBSD 13 sing q35 + virtio disk + virtio net ?
I cant get it working, it should be fine in FBSD 13, lastly on FBSD 12 it was 
the q35 spec issue with the kernel. Lot of people now it works nicely on FBSD 
13, but I cant get it working on oVirt.

Thanks before.

Regards,
Nur Imam Febrianto

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[ovirt-users] Re: Strange Issue with imageio

[Nur Imam Febrianto]

Hi,

Already submit Bug 1950593 
for this issue.
Thanks before.

Regards,
Nur Imam Febrianto

From: Nir Soffer
Sent: 17 April 2021 3:55
To: Nur Imam Febrianto
Cc: oVirt Users
Subject: Re: [ovirt-users] Strange Issue with imageio

On Fri, Apr 16, 2021 at 7:22 PM Nur Imam Febrianto  wrote:
> After upgrading to 4.4.5 from 4.4.4, I’m having a strange issue. Whenever I 
> try to upload something (image or iso) to Storage Domain without clicking 
> Test Connection, upload process wont start. It will shows the file area 
> already uploaded but no upload process. When I try to open the log, seems if 
> I don’t click test connection, it wont open any session in imageio. Upload 
> process will going normally, if I click Test connection first and proceed to 
> upload.

Please file ovirt-engine bug, testing the connection should not be required
for upload.

> Any idea why this is happening ? Don’t have this issue before in 4.4.4. 
> Rebooting the engine doesn’t help either.

This is most likely a bug introduced in engine 4.4.5.

Nir

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[ovirt-users] Re: Odd question: changing network MTU

[Nir Soffer]

On Thu, Apr 15, 2021 at 4:32 PM Chris Adams  wrote:
>
> Once upon a time, Ales Musil  said:
> > That is generally a bad idea, oVirt has its own network persistence, it
> > would be reverted
> > on reboot and the engine would complain that those networks are out of
> > sync.
>
> Part of the email had been trimmed - this was a temporary thing for
> physically moving this cluster to a new location, where the VLANs are
> all bridged across a couple of links that don't support jumbo frames.  I
> didn't want to make a permanent change, and in my testing, lowering the
> MTU while iSCSI connections were active broke them.
>
> So I rolled through the hosts, putting them in maintenance, changing the
> MTU manually, and reactivating them, and that did work.  The engine did
> note that the networks were out of sync, but did not force them back
> (which was my main concern).
>
> I definitely wouldn't do this for any normal thing, but it did work for
> my temporary setup during the move.  I was able to move my running VMs
> and their storage to a new home, 5 miles away, without shutting any of
> them down.

Cool!

This can be good content for ovirt blog:
https://blogs.ovirt.org/
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[ovirt-users] Re: Intel Optane DC Persistent Memory - Ovirt / RHEV

[Nir Soffer]

On Fri, Apr 16, 2021 at 5:20 PM  wrote:
>
> Anyone?
>
> I know that RH 7.6+ and SLES 12.4+ kernel have support but I don't know if 
> oVirt interface have it, you know? Because Optane memory is " like a local 
> storage" between disk and memory, more or less is this it.
>
> I ask because we will want use with SAP VMs.

We don't have any storage code supporting this device. If you can create
a file system and mount it, oVirt can use it as local storage.

If someone can provide a device for testing, or provide access to a system
with this device we can test this.

Nir
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[ovirt-users] Re: Strange Issue with imageio

[Nir Soffer]

On Fri, Apr 16, 2021 at 7:22 PM Nur Imam Febrianto  wrote:
> After upgrading to 4.4.5 from 4.4.4, I’m having a strange issue. Whenever I 
> try to upload something (image or iso) to Storage Domain without clicking 
> Test Connection, upload process wont start. It will shows the file area 
> already uploaded but no upload process. When I try to open the log, seems if 
> I don’t click test connection, it wont open any session in imageio. Upload 
> process will going normally, if I click Test connection first and proceed to 
> upload.

Please file ovirt-engine bug, testing the connection should not be required
for upload.

> Any idea why this is happening ? Don’t have this issue before in 4.4.4. 
> Rebooting the engine doesn’t help either.

This is most likely a bug introduced in engine 4.4.5.

Nir
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[ovirt-users] Ovirt and gluster 9 volume

[eevans]

My setup is 3 Centos 7 servers hyper-converged with a 4th stand alone engine 
server. My issue is Ovirt is reading the cluster disk as 49GiB instead of 5.5 
TB is should be. 
One server has a 928 GB raid 5 volume, the second has a 7,7 TB raid 10 volume 
and the third has a 5.5 TB raid 10 volume. How is Ovirt translating this to 49 
GiB??
Here is a link to the screen shots for verification. 
https://1drv.ms/u/s!AvgvEzKKSZHbhLIrRBvQRLmoZOeEyw?e=rO83vw
Logs look good unless I missed something. 
Any help is appreciated.
Eric

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[ovirt-users] Strange Issue with imageio

[Nur Imam Febrianto]

Hi,

After upgrading to 4.4.5 from 4.4.4, I’m having a strange issue. Whenever I try 
to upload something (image or iso) to Storage Domain without clicking Test 
Connection, upload process wont start. It will shows the file area already 
uploaded but no upload process. When I try to open the log, seems if I don’t 
click test connection, it wont open any session in imageio. Upload process will 
going normally, if I click Test connection first and proceed to upload.
Any idea why this is happening ? Don’t have this issue before in 4.4.4. 
Rebooting the engine doesn’t help either.

Regards,
Nur Imam Febrianto

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[ovirt-users] Re: How do I share a disk across multiple VMs?

[David White via Users]

> Gluster in the VMs... I was thinking to propose it, but I wasn't sure what 
> kind of workload you got.
Maybe that's going to be my best option. Thank you!

I remember support that exact type of setup (Gluster in AWS VMs syncing website 
files) for a hosting company I interned with over 10 years ago.
I've forgotten a lot about gluster since then, but I suppose I need to learn it 
anyway, since I've taken the plunge into oVirt land. :)

I'll think about it, and look into it further.


Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 9:47 AM, Strahil Nikolov via Users  
wrote:

> Gluster in the VMs... I was thinking to propose it, but I wasn't sure what 
> kind of workload you got.
> 

> I think that with Redis and Gluster on VM - you will be quite fine.
> For the Galera - it doesn't need shared storage at all, so you will be quite 
> fine.
> 

> Don't forget that lattency kills gluster, so keep it as tight as possible , 
> but in the same time keep them on separate hosts.
> 

> Best Regards,
> Strahil Nikolov
> 

> В петък, 16 април 2021 г., 03:57:51 ч. Гринуич+3, David White via Users 
> users@ovirt.org написа:
> 

> > David, I’m curious what the use case is
> 

> This is for a customer who wants as much high availability as possible for 
> their website, which relies on a basic LAMP or LNMP stack.
> 

> The plan is to create a MariaDB Galera cluster.
> 

> Each of the 3 VMs will run MariaDB, as well as Apache or Nginx (I haven't 
> decided which, yet), and will be able to accept web traffic.
> 

> So the website files will need to be the same across all 3 virtual servers.
> 

> My original intent was to setup a mount point on all 3 virtual servers that 
> mapped back to the same shared disk.
> 

> Strahil, 1 idea I had, which I don't think would be ideal at all, was to 
> setup a separate, new, gluster configuration on each of the 3 VMs. Gluster 
> virtualized on top of gluster! If that doesn't make your head spin, what 
> will? But I'm not seriously thinking about that. :)
> 

> It did occur to me that I could setup a 4th VM to host the NFS share.
> 

> But I'm trying to stay away from as many single points of failures as 
> possible.
> 

> Sent with ProtonMail Secure Email.
> 

> ‐‐‐ Original Message ‐‐‐
> On Thursday, April 15, 2021 7:40 PM, Strahil Nikolov via Users 
> users@ovirt.org wrote:
> 

> > I know that clusterizing applications (for example corosync/pacemaker 
> > Active-Passive or even GFS2) require simultaneous access to the data.
> 

> > In your case you can create:
> 

> > -  2 separate VMs replicating over DRBD and sharing the storage over 
> > NFS/iSCSI
> > -  Using NFS Ganesha (this is just a theory but should work) to export your 
> > Gluster volumes in a redundant and highly available way
> 

> > Best Regards,
> >     Strahil Nikolov
> 

> > В петък, 16 април 2021 г., 01:56:09 ч. Гринуич+3, Jayme jay...@gmail.com 
> > написа:
> 

> > 

> 

> > David, I’m curious what the use case is. :9 you plan on using the disk with 
> > three vms at the same time?  This isn’t really what shareable disks are 
> > meant to do afaik. If you want to share storage with multiple vms I’d 
> > probably just setup an nfs share on one of the vms
> 

> > On Thu, Apr 15, 2021 at 7:37 PM David White via Users users@ovirt.org wrote:
> 

> > > I found the proper documentation at 
> > > https://www.ovirt.org/documentation/administration_guide/#Shareable_Disks.
> > > When I tried to edit the disk, I see that sharable is grayed out, and 
> > > when I hover my mouse over it, I see "Sharable Storage is not supported 
> > > on Gluster/Offload Domain".
> > > So to confirm, is there any circumstance where a Gluster volume can 
> > > support sharable storage? Unfortunately, I don't have any other storage 
> > > available, and I chose to use Gluster, so that I could have a HA 
> > > environment.
> > > Sent with ProtonMail Secure Email.
> > > ‐‐‐ Original Message ‐‐‐
> > >   On Thursday, April 15, 2021 5:05 PM, David White via Users 
> > > users@ovirt.org wrote:
> 

> > > > I need to mount a partition across 3 different VMs.
> > > > How do I attach a disk to multiple VMs?
> > > > This looks like fairly old documentation-not-documentation: 
> > > > https://www.ovirt.org/develop/release-management/features/storage/sharedrawdisk.html
> > > > Sent with ProtonMail Secure Email.
> 

> > > Users mailing list -- users@ovirt.org
> > > To unsubscribe send an email to users-le...@ovirt.org
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> > > https://lists.ovirt.org/archives/list/users@ovirt.org/message/WZY6OJWBH5KAB5H2XXYJOVI7BLR4Z67F/
> 

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> > oVirt Code of Conduct: 
> > ht

[ovirt-users] Re: Intel Optane DC Persistent Memory - Ovirt / RHEV

[jorgevisentini]

Anyone?

I know that RH 7.6+ and SLES 12.4+ kernel have support but I don't know if 
oVirt interface have it, you know? Because Optane memory is " like a local 
storage" between disk and memory, more or less is this it.

I ask because we will want use with SAP VMs.


https://access.redhat.com/articles/3830541
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[ovirt-users] Re: How do I share a disk across multiple VMs?

[Strahil Nikolov via Users]

Gluster in the VMs... I was thinking to propose it, but I wasn't sure what kind 
of workload you got.

I think that with Redis and Gluster on VM - you will be quite fine.
For the Galera - it doesn't need shared storage at all, so you will be quite 
fine.

Don't forget that lattency kills gluster, so keep it as tight as possible , but 
in the same time keep them on separate hosts.


Best Regards,
Strahil Nikolov






В петък, 16 април 2021 г., 03:57:51 ч. Гринуич+3, David White via Users 
 написа: 





> David, I’m curious what the use case is
This is for a customer who wants as much high availability as possible for 
their website, which relies on a basic LAMP or LNMP stack.

The plan is to create a MariaDB Galera cluster. 

Each of the 3 VMs will run MariaDB, as well as Apache or Nginx (I haven't 
decided which, yet), and will be able to accept web traffic.

So the website files will need to be the same across all 3 virtual servers. 

My original intent was to setup a mount point on all 3 virtual servers that 
mapped back to the same shared disk.

Strahil, 1 idea I had, which I don't think would be ideal at all, was to setup 
a separate, new, gluster configuration on each of the 3 VMs. Gluster 
virtualized on top of gluster! If that doesn't make your head spin, what will? 
But I'm not seriously thinking about that. :)

It did occur to me that I could setup a 4th VM to host the NFS share. 

But I'm trying to stay away from as many single points of failures as possible. 


Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Thursday, April 15, 2021 7:40 PM, Strahil Nikolov via Users 
 wrote:

> I know that clusterizing applications (for example corosync/pacemaker 
> Active-Passive or even GFS2) require simultaneous access to the data.
> 

> In your case you can create:
> 

> -  2 separate VMs replicating over DRBD and sharing the storage over NFS/iSCSI
> -  Using NFS Ganesha (this is just a theory but should work) to export your 
> Gluster volumes in a redundant and highly available way
>    

>    Best Regards,
>    Strahil Nikolov
>    

>    В петък, 16 април 2021 г., 01:56:09 ч. Гринуич+3, Jayme jay...@gmail.com 
>написа:
>    

> 

> David, I’m curious what the use case is. :9 you plan on using the disk with 
> three vms at the same time?  This isn’t really what shareable disks are meant 
> to do afaik. If you want to share storage with multiple vms I’d probably just 
> setup an nfs share on one of the vms 
> 

> On Thu, Apr 15, 2021 at 7:37 PM David White via Users users@ovirt.org wrote:
> 

> > I found the proper documentation at 
> > https://www.ovirt.org/documentation/administration_guide/#Shareable_Disks.
> > When I tried to edit the disk, I see that sharable is grayed out, and when 
> > I hover my mouse over it, I see "Sharable Storage is not supported on 
> > Gluster/Offload Domain".
> > So to confirm, is there any circumstance where a Gluster volume can support 
> > sharable storage? Unfortunately, I don't have any other storage available, 
> > and I chose to use Gluster, so that I could have a HA environment.
> > Sent with ProtonMail Secure Email.
> > ‐‐‐ Original Message ‐‐‐
> >   On Thursday, April 15, 2021 5:05 PM, David White via Users 
> > users@ovirt.org wrote:
> > 

> > > I need to mount a partition across 3 different VMs.
> > > How do I attach a disk to multiple VMs?
> > > This looks like fairly old documentation-not-documentation: 
> > > https://www.ovirt.org/develop/release-management/features/storage/sharedrawdisk.html
> > > Sent with ProtonMail Secure Email.
> > 

> > Users mailing list -- users@ovirt.org
> > To unsubscribe send an email to users-le...@ovirt.org
> > Privacy Statement: https://www.ovirt.org/privacy-policy.html
> > oVirt Code of Conduct: 
> > https://www.ovirt.org/community/about/community-guidelines/
> > List Archives: 
> > https://lists.ovirt.org/archives/list/users@ovirt.org/message/WZY6OJWBH5KAB5H2XXYJOVI7BLR4Z67F/
> 

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> 

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[ovirt-users] Re: Expand gluster volumes

[Strahil Nikolov via Users]

More like:Prepare a new linux host + a brickSet the donor into maintenance and 
then remove it from oVirt & GlusterExpand with the new brick ( new host) 
 Put the big disks on the old donor and use it as a new host ...
Best Regards,Strahil Nikolov
 
  On Fri, Apr 16, 2021 at 14:01, David White via Users wrote:  
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[ovirt-users] Re: Expand gluster volumes

[David White via Users]

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 6:39 AM, Strahil Nikolov via Users  
wrote:

> Have you thought about copying the data via rsync/scp to the new disks 
> (assuming that you have similar machine) ?

But this would still require that I remove a host from the cluster, and add the 
new host back in though, right?
My goal is to have a 3-node (replica 3) cluster before the maintenance as well 
as after the maintenance. 

So I think my earlier question about putting the host into maintenance mode, 
reinstalling everything from scratch, and adding it back to the cluster, is 
still valid - unless I'm missing something. 
 Or, are you suggesting that I do the fresh install on the new host, manually 
setup the new gluster volumes, and rsync everything over before I put the old 
host into maintenance mode?
And then I guess, just shut down the old host, re-IP the new host to the 
original host, and viola?

> Best Regards,
> Strahil Nikolov

publickey - dmwhite823@protonmail.com - 0x320CD582.asc
Description: application/pgp-keys


signature.asc
Description: OpenPGP digital signature
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[ovirt-users] Re: Expand gluster volumes

[Strahil Nikolov via Users]

Have you thought about copying the data via rsync/scp to the new disks 
(assuming that you have similar machine) ?
Best Regards,Strahil Nikolov___
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[ovirt-users] Re: can't use vmconsole anymore

[Nathanaël Blanchet]

I removed the user and created an other time. Now, I have this

The key seems to be present in the DB

engine=# SELECT users.username, user_profiles.property_content::text
FROM user_profiles
JOIN users ON users.user_id = user_profiles.user_id
WHERE user_profiles.property_type= 'SSH_PUBLIC_KEY';
 username |
property_content

--+---
--
---
 sblanc...@levant.abes.fr | "ssh-rsa 
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQ

sy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArn
NcmS6JFxnPIrGYxxmv01K6VXVvw=="
(1 row)

and now in the api


href="/ovirt-engine/api/users/64b7f3bf-9d43-4508-af93-63ad77652be3/sshpublickeys/70850a0e-1b20-4dd5-9fcd-4f64303509d1" 
id="70850a0e-1b20-4dd5-9fcd-4f64303509d1">


ssh-rsa 
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw==


href="/ovirt-engine/api/users/64b7f3bf-9d43-4508-af93-63ad77652be3" 
id="64b7f3bf-9d43-4508-af93-63ad77652be3"/>




but I still can't connect

$ ssh -t -p   ovirt-vmcons...@air.v100.abes.fr connect
ovirt-vmcons...@air.v100.abes.fr: Permission denied (publickey).

and

[root@air ~]# 
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py 
--version "1" keys


still returns empty string...


Le 16/04/2021 à 11:07, Nathanaël Blanchet a écrit :


Le 16/04/2021 à 10:31, Radoslaw Szwajkowski a écrit :

[root@air-dev ~]#
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
--version "1" keys
{"keys": [{"entityid": "d5e69fa0-96a0-4aae-952d-18fe36940248", 
"entity":

"sblanc...@levant.abes.fr@abes.fr-authz", "key": "ssh-rsa
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw=="}], 


"version": 1, "content": "key_list"}

but the same command on the main  engine returns empty

[root@air ~]#
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
--version "1" keys


Empty list (no keys) should look similar to: {"keys": [], "version":
1, "content": "key_list"}
In your case it seems that VMConsoleProxyServlet is not responding
i.e. on my dev env I get a similar result (empty output,error code 1)
when server is down.


it is up


● ovirt-vmconsole-proxy-sshd.service - oVirt VM Console SSH server daemon
   Loaded: loaded 
(/usr/lib/systemd/system/ovirt-vmconsole-proxy-sshd.service; enabled; 
vendor preset: disabled)
   Active: active (running) since Fri 2021-04-16 10:50:41 CEST; 1min 
27s ago

 Main PID: 1914370 (sshd)
    Tasks: 1 (limit: 204594)
   Memory: 3.5M
   CGroup: /system.slice/ovirt-vmconsole-proxy-sshd.service
   └─1914370 /usr/sbin/sshd -f 
/usr/share/ovirt-vmconsole/ovirt-vmconsole-proxy/ovirt-vmconsole-proxy-sshd/sshd_config 
-D


avril 16 10:50:41 air.v100.abes.fr systemd[1]: Started oVirt VM 
Console SSH server daemon.
avril 16 10:50:41 air.v100.abes.fr sshd[1914370]: Server listening on 
0.0.0.0 port .
avril 16 10:50:41 air.v100.abes.fr sshd[1914370]: Server listening on 
:: port .
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole[1914540]: 
2021-04-16 10:52:02,241+0200 ovirt-vmconsole-list: ERROR main:265 
Error: HTTP Error 403: Forbidden
avril 16 10:52:02 air.v100.abes.fr 
ovirt-vmconsole-proxy-keys[1914536]: ERROR Key list execution failed rc=1
avril 16 10:52:02 air.v100.abes.fr sshd[1914534]: 
AuthorizedKeysCommand /usr/libexec/ovirt-vmconsole-proxy-keys 
ovirt-vmconsole failed, status 1
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole[1914547]: 
2021-04-16 10:52:02,806+0200 ovirt-vmconsole-list: ERROR main:265 
Error: HTTP Error 403: Forbidden
avril 16 10:52:02 air.v100.abes.fr 
ovirt-vmconsole-proxy-keys[1914543]: ERROR Key list execution failed rc=1
avril 16 10:52:02 air.v100.abes.fr sshd[1914534]: 
AuthorizedKeysCommand /usr/libexec/ovirt-vmconsole-proxy-keys 
ovirt-vmconsole failed, status 1
avril 16 10:52:03 air.v

[ovirt-users] Re: Expand gluster volumes

[David White via Users]

Sort of. :)
It'll be a dance, as I'm going to need to do 1 of 2 things:

-   Put the host into Maintenance mode inside oVirt Engine, then intentionally 
degrade each RAID array, add the larger disks, and heal the RAID. Then take the 
host out of maintenance mode. This would take some time, as my RAID is 1-disk 
fail tolerant, and I have 6 disks in the RAID. 
-   Put the host into maintenance mode, bring the server down completely, 
completely replace the storage, (re)install the base OS, and use oVirt engine 
to add it back into the cluster.This would involved intentionally degrading the 
gluster cluster during the maintenance.  Honestly, I would probably prefer this 
approach, because oddly enough, I think it would go faster, and I could do more 
of the work remote without having to be at the datacenter constantly. 

I guess bullet point #2 brings up another good point:
I need to learn how to heal gluster in the event of a catastrophic failure on 1 
of the hosts. It would be good to know how to do that before a failure occurs. 
:)

Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 5:50 AM, Strahil Nikolov via Users  
wrote:

> Ah, you got free space on lvm.
> Just 'lvextend -r -l +xxx vg/lv' on all bricks and you are good to go.
> 

> Best Regards,
> Strahil Nikolov
> 

> > On Fri, Apr 16, 2021 at 12:39, David White via Users
> >  wrote:
> > Sorry, I meant to reply-all, to Strahil's most recent message.
> > So I'm doing so now.
> > 

> > In addition to my comments below, this StackOverflow thread summarizes what 
> > I have in mind: 
> > https://stackoverflow.com/questions/43756405/extend-glusterfs-on-top-of-lvm
> > 

> > Sent with ProtonMail Secure Email.
> > 

> > ‐‐‐ Original Message ‐‐‐
> > 

> > On Friday, April 16, 2021 5:33 AM, David White  
> > wrote:
> > 

> > > I don't think I would have the capability to take on the expense of 
> > > adding two more servers to my environment, on top of the 4th server I 
> > > already have, right now.
> > >
> > 

> > > I realize the following isn't recommended, but would it be possible to, 
> > > instead, intentionally degrade the gluster cluster by shutting 1 of the 
> > > hosts down (put it in maintenance mode), add storage, and bring it back 
> > > online?
> > >
> > 

> > > Perhaps that would be a better approach, rather than try to shift things 
> > > around with a 4th server.
> > >
> > 

> > > Sent with ProtonMail Secure Email.
> > >
> > 

> > > ‐‐‐ Original Message ‐‐‐
> > > On Thursday, April 15, 2021 7:36 PM, Strahil Nikolov 
> > > hunter86...@yahoo.com wrote:
> > >
> > 

> > > > Gluster allows converting from replicted to distributed-replicated (so 
> > > > called expansion) of the volume.
> > > > Of course you need to add the same amount of bricks as the replica 
> > > > count (which should be either 'replica 3' or 'replica 3 arbiter 1').
> > > > The Gluster documentation on the topic is quite extensive , but it's 
> > > > worth mentioning that you need to 'rebalance' your cluster after the 
> > > > expansion or you risk filling the old bricks - while having free space 
> > > > on the new bricks.
> > > > That is expected ,as each file/dir's name is hashed and each subvolume 
> > > > (new vs old bricks) will have it's own range of hashes. When you expand 
> > > > the volume, some of the files/dirs on the old bricks have hashes that 
> > > > match to the new "triplet".
> > > > Also , if you do not rebalance - that will have some performance impact 
> > > > as gluster will search the new bricks (for the files' whose hash 
> > > > matches the new subvolume) before searching the old bricks.
> > > > P.S: I think that the Engine's web interface fully supports that 
> > > > operation, although I'm used to the cli.
> > > > Best Regards,
> > > > Strahil Nikolov
> > > > В четвъртък, 15 април 2021 г., 20:05:50 ч. Гринуич+3, David White via 
> > > > Users users@ovirt.org написа:
> > > > Is it possible to expand an existing gluster volume?
> > > > I have a hyperconverged environment, and have enough space right now, 
> > > > but I'm going to have to significantly over-provision my environment. 
> > > > The vast majority of our customers are using a small fraction of the 
> > > > amount of space that they are technically allocated, but we still need 
> > > > to make that space available to them.
> > > > As a result, I'd like to plan ahead, and go ahead and have a plan to 
> > > > add storage later down the road.
> > > > I'd like to plan to shut down each server in the cluster (individually, 
> > > > not at once), add storage, and then bring them back online. Once all 3 
> > > > are back online with the additional storage, I'd like to expand the 
> > > > gluster volume to use the additional space. Is that possible? How?
> > > > Sent with ProtonMail Secure Email.
> > > > Users mailing list -- users@ovirt.org
> > > > To unsubscribe send an email to users-le...@ovirt.org
> > > > Privacy Statement: https://www.o

[ovirt-users] Re: How do I share a disk across multiple VMs?

[David White via Users]

Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 4:40 AM, Vojtech Juranek  wrote:

> Hi,
> another approach you may consider is to use HA functionality provided by oVirt
> which re-create VM on another host if original host become unavailable and
> attach the disk from underlying Gluster (which is already HA) to newly created
> VM, so you don't have to care about creating HA storage on your VMs. You also
> save some resources as you don't have to have backup VMs running.

This thought did occur to me as well. However, the customer is pretty adamant 
that they would like to reduce downtime as much as possible, and I knew that 
the HA feature built into oVirt meant there could be some downtime while a VM 
gets killed and moved from 1 host to another. Don't get me wrong - I'll still 
mark all 3 of the VMs as HA inside of oVirt. 


But we're using Cloudflare for the load balancing. And we're going to push two 
of the VMs through 1 of our datacenter uplinks, and the 3rd VM through the 2nd 
uplink, so that our routing will be HA for this customer as well.

At this point, I'm strongly leaning towards just a simple rsync via cron, that 
will run every minute (or perhaps every 5 minutes) or something.
But yeah, I'm pretty disappointed that the shared disk approach isn't supported 
with the current Gluster implementation. 


I'm sure that there are technical issues involved with that decision, but I'm 
wondering if that could be a reasonable feature request for future versions of 
oVirt?


> The drawback of this approach that re-creating new VM takes more time than
> switching the traffic to already running VM on load balancer. This depends on
> your constraints but IMHO worth to consider.
> 

> Vojta
> 

> On Friday, 16 April 2021 03:00:23 CEST David White via Users wrote:
> 

> > I'm currently thinking about just setting up a rsync cron to run every
> > minute.
> > Sent with ProtonMail Secure Email.
> > ‐‐‐ Original Message ‐‐‐
> > On Thursday, April 15, 2021 8:55 PM, David White via Users users@ovirt.org
> 

> wrote:
> 

> > > > David, I’m curious what the use case is
> > > 

> > > This is for a customer who wants as much high availability as possible for
> > > their website, which relies on a basic LAMP or LNMP stack.
> > > The plan is to create a MariaDB Galera cluster.
> > > Each of the 3 VMs will run MariaDB, as well as Apache or Nginx (I haven't
> > > decided which, yet), and will be able to accept web traffic.
> > > So the website files will need to be the same across all 3 virtual
> > > servers.
> > > My original intent was to setup a mount point on all 3 virtual servers
> > > that mapped back to the same shared disk.
> > > Strahil, 1 idea I had, which I don't think would be ideal at all, was to
> > > setup a separate, new, gluster configuration on each of the 3 VMs.
> > > Gluster virtualized on top of gluster! If that doesn't make your head
> > > spin, what will? But I'm not seriously thinking about that. :)
> > > It did occur to me that I could setup a 4th VM to host the NFS share.
> > > But I'm trying to stay away from as many single points of failures as
> > > possible.
> > > Sent with ProtonMail Secure Email.
> > > ‐‐‐ Original Message ‐‐‐
> > > On Thursday, April 15, 2021 7:40 PM, Strahil Nikolov via Users
> 

> users@ovirt.org wrote:
> 

> > > > I know that clusterizing applications (for example corosync/pacemaker
> > > > Active-Passive or even GFS2) require simultaneous access to the data.
> > > > In your case you can create:
> > > > 

> > > > -   2 separate VMs replicating over DRBD and sharing the storage over
> > > > NFS/iSCSI - Using NFS Ganesha (this is just a theory but should 
> > > > work)
> > > > to export your Gluster volumes in a redundant and highly available 
> > > > way>
> > > > 

> > 

> > > > Best Regards,
> > > > Strahil Nikolov
> > > > 

> > > > В петък, 16 април 2021 г., 01:56:09 ч. Гринуич+3, Jayme
> > > > 

> 

> jay...@gmail.com написа:
> 

> > > > David, I’m curious what the use case is. :9 you plan on using the disk
> > > > with three vms at the same time? This isn’t really what shareable
> > > > disks are meant to do afaik. If you want to share storage with multiple
> > > > vms I’d probably just setup an nfs share on one of the vms> >
> > > > On Thu, Apr 15, 2021 at 7:37 PM David White via Users users@ovirt.org
> 

> wrote:
> 

> > > > > I found the proper documentation
> > > > > at https://www.ovirt.org/documentation/administration_guide/#Shareabl
> > > > > e_Disks. When I tried to edit the disk, I see that sharable is grayed
> > > > > out, and when I hover my mouse over it, I see "Sharable Storage is
> > > > > not supported on Gluster/Offload Domain". So to confirm, is there any
> > > > > circumstance where a Gluster volume can support sharable storage?
> > > > > Unfortunately, I don't have any other storage available, and I chose
> > > > > to use Gluster, so that I could have a 

[ovirt-users] Re: Expand gluster volumes

[Strahil Nikolov via Users]

Ah, you got free space on lvm.Just 'lvextend -r -l +xxx vg/lv' on all bricks 
and you are good to go.
Best Regards,Strahil Nikolov
 
 
  On Fri, Apr 16, 2021 at 12:39, David White via Users wrote:  
 Sorry, I meant to reply-all, to Strahil's most recent message.
So I'm doing so now.

In addition to my comments below, this StackOverflow thread summarizes what I 
have in mind: 
https://stackoverflow.com/questions/43756405/extend-glusterfs-on-top-of-lvm


Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 5:33 AM, David White  
wrote:

> I don't think I would have the capability to take on the expense of adding 
> two more servers to my environment, on top of the 4th server I already have, 
> right now.
> 

> I realize the following isn't recommended, but would it be possible to, 
> instead, intentionally degrade the gluster cluster by shutting 1 of the hosts 
> down (put it in maintenance mode), add storage, and bring it back online?
> 

> Perhaps that would be a better approach, rather than try to shift things 
> around with a 4th server.
> 

> Sent with ProtonMail Secure Email.
> 

> ‐‐‐ Original Message ‐‐‐
> On Thursday, April 15, 2021 7:36 PM, Strahil Nikolov hunter86...@yahoo.com 
> wrote:
> 

> > Gluster allows converting from replicted to distributed-replicated (so 
> > called expansion) of the volume.
> > Of course you need to add the same amount of bricks as the replica count 
> > (which should be either 'replica 3' or 'replica 3 arbiter 1').
> > The Gluster documentation on the topic is quite extensive , but it's worth 
> > mentioning that you need to 'rebalance' your cluster after the expansion or 
> > you risk filling the old bricks - while having free space on the new bricks.
> > That is expected ,as each file/dir's name is hashed and each subvolume (new 
> > vs old bricks) will have it's own range of hashes. When you expand the 
> > volume, some of the files/dirs on the old bricks have hashes that match to 
> > the new "triplet".
> > Also , if you do not rebalance - that will have some performance impact as 
> > gluster will search the new bricks (for the files' whose hash matches the 
> > new subvolume) before searching the old bricks.
> > P.S: I think that the Engine's web interface fully supports that operation, 
> > although I'm used to the cli.
> > Best Regards,
> > Strahil Nikolov
> > В четвъртък, 15 април 2021 г., 20:05:50 ч. Гринуич+3, David White via Users 
> > users@ovirt.org написа:
> > Is it possible to expand an existing gluster volume?
> > I have a hyperconverged environment, and have enough space right now, but 
> > I'm going to have to significantly over-provision my environment. The vast 
> > majority of our customers are using a small fraction of the amount of space 
> > that they are technically allocated, but we still need to make that space 
> > available to them.
> > As a result, I'd like to plan ahead, and go ahead and have a plan to add 
> > storage later down the road.
> > I'd like to plan to shut down each server in the cluster (individually, not 
> > at once), add storage, and then bring them back online. Once all 3 are back 
> > online with the additional storage, I'd like to expand the gluster volume 
> > to use the additional space. Is that possible? How?
> > Sent with ProtonMail Secure Email.
> > Users mailing list -- users@ovirt.org
> > To unsubscribe send an email to users-le...@ovirt.org
> > Privacy Statement: https://www.ovirt.org/privacy-policy.html
> > oVirt Code of Conduct: 
> > https://www.ovirt.org/community/about/community-guidelines/
> > List Archives: 
> > https://lists.ovirt.org/archives/list/users@ovirt.org/message/A7C3X2PW4D42GA6437BTHZ65EAEHVMPD/

  
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[ovirt-users] Re: can't use vmconsole anymore

[Radoslaw Szwajkowski]

> > Empty list (no keys) should look similar to: {"keys": [], "version":
> > 1, "content": "key_list"}
> > In your case it seems that VMConsoleProxyServlet is not responding
> > i.e. on my dev env I get a similar result (empty output,error code 1)
> > when server is down.
>
> it is up
>
> ● ovirt-vmconsole-proxy-sshd.service - oVirt VM Console SSH server daemon
>

I was referring to  /ovirt-engine/services/vmconsole-proxy
servlet which is the source of data here.

> https://air.v100.abes.fr//ovirt-engine/api/users/1bb90486-d431-4554-a6a1-37631d8c16d4/sshpublickeys
>
> 
>
> is empty
>

OK. It seems that this user has no keys. Can you see them in the
Options dialog? you can find it in Administration Portal (top righ
corner) -> Options (next to Log out).

best regards,
Radek
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[ovirt-users] Re: Expand gluster volumes

[David White via Users]

Sorry, I meant to reply-all, to Strahil's most recent message.
So I'm doing so now.

In addition to my comments below, this StackOverflow thread summarizes what I 
have in mind: 
https://stackoverflow.com/questions/43756405/extend-glusterfs-on-top-of-lvm


Sent with ProtonMail Secure Email.

‐‐‐ Original Message ‐‐‐
On Friday, April 16, 2021 5:33 AM, David White  
wrote:

> I don't think I would have the capability to take on the expense of adding 
> two more servers to my environment, on top of the 4th server I already have, 
> right now.
> 

> I realize the following isn't recommended, but would it be possible to, 
> instead, intentionally degrade the gluster cluster by shutting 1 of the hosts 
> down (put it in maintenance mode), add storage, and bring it back online?
> 

> Perhaps that would be a better approach, rather than try to shift things 
> around with a 4th server.
> 

> Sent with ProtonMail Secure Email.
> 

> ‐‐‐ Original Message ‐‐‐
> On Thursday, April 15, 2021 7:36 PM, Strahil Nikolov hunter86...@yahoo.com 
> wrote:
> 

> > Gluster allows converting from replicted to distributed-replicated (so 
> > called expansion) of the volume.
> > Of course you need to add the same amount of bricks as the replica count 
> > (which should be either 'replica 3' or 'replica 3 arbiter 1').
> > The Gluster documentation on the topic is quite extensive , but it's worth 
> > mentioning that you need to 'rebalance' your cluster after the expansion or 
> > you risk filling the old bricks - while having free space on the new bricks.
> > That is expected ,as each file/dir's name is hashed and each subvolume (new 
> > vs old bricks) will have it's own range of hashes. When you expand the 
> > volume, some of the files/dirs on the old bricks have hashes that match to 
> > the new "triplet".
> > Also , if you do not rebalance - that will have some performance impact as 
> > gluster will search the new bricks (for the files' whose hash matches the 
> > new subvolume) before searching the old bricks.
> > P.S: I think that the Engine's web interface fully supports that operation, 
> > although I'm used to the cli.
> > Best Regards,
> > Strahil Nikolov
> > В четвъртък, 15 април 2021 г., 20:05:50 ч. Гринуич+3, David White via Users 
> > users@ovirt.org написа:
> > Is it possible to expand an existing gluster volume?
> > I have a hyperconverged environment, and have enough space right now, but 
> > I'm going to have to significantly over-provision my environment. The vast 
> > majority of our customers are using a small fraction of the amount of space 
> > that they are technically allocated, but we still need to make that space 
> > available to them.
> > As a result, I'd like to plan ahead, and go ahead and have a plan to add 
> > storage later down the road.
> > I'd like to plan to shut down each server in the cluster (individually, not 
> > at once), add storage, and then bring them back online. Once all 3 are back 
> > online with the additional storage, I'd like to expand the gluster volume 
> > to use the additional space. Is that possible? How?
> > Sent with ProtonMail Secure Email.
> > Users mailing list -- users@ovirt.org
> > To unsubscribe send an email to users-le...@ovirt.org
> > Privacy Statement: https://www.ovirt.org/privacy-policy.html
> > oVirt Code of Conduct: 
> > https://www.ovirt.org/community/about/community-guidelines/
> > List Archives: 
> > https://lists.ovirt.org/archives/list/users@ovirt.org/message/A7C3X2PW4D42GA6437BTHZ65EAEHVMPD/



publickey - dmwhite823@protonmail.com - 0x320CD582.asc
Description: application/pgp-keys


signature.asc
Description: OpenPGP digital signature
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[ovirt-users] Re: can't use vmconsole anymore

[Nathanaël Blanchet]

Le 16/04/2021 à 10:31, Radoslaw Szwajkowski a écrit :

[root@air-dev ~]#
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
--version "1" keys
{"keys": [{"entityid": "d5e69fa0-96a0-4aae-952d-18fe36940248", "entity":
"sblanc...@levant.abes.fr@abes.fr-authz", "key": "ssh-rsa
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw=="}],
"version": 1, "content": "key_list"}

but the same command on the main  engine returns empty

[root@air ~]#
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
--version "1" keys


Empty list (no keys) should look similar to: {"keys": [], "version":
1, "content": "key_list"}
In your case it seems that VMConsoleProxyServlet is not responding
i.e. on my dev env I get a similar result (empty output,error code 1)
when server is down.


it is up


● ovirt-vmconsole-proxy-sshd.service - oVirt VM Console SSH server daemon
   Loaded: loaded 
(/usr/lib/systemd/system/ovirt-vmconsole-proxy-sshd.service; enabled; 
vendor preset: disabled)
   Active: active (running) since Fri 2021-04-16 10:50:41 CEST; 1min 
27s ago

 Main PID: 1914370 (sshd)
    Tasks: 1 (limit: 204594)
   Memory: 3.5M
   CGroup: /system.slice/ovirt-vmconsole-proxy-sshd.service
   └─1914370 /usr/sbin/sshd -f 
/usr/share/ovirt-vmconsole/ovirt-vmconsole-proxy/ovirt-vmconsole-proxy-sshd/sshd_config 
-D


avril 16 10:50:41 air.v100.abes.fr systemd[1]: Started oVirt VM Console 
SSH server daemon.
avril 16 10:50:41 air.v100.abes.fr sshd[1914370]: Server listening on 
0.0.0.0 port .
avril 16 10:50:41 air.v100.abes.fr sshd[1914370]: Server listening on :: 
port .
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole[1914540]: 2021-04-16 
10:52:02,241+0200 ovirt-vmconsole-list: ERROR main:265 Error: HTTP Error 
403: Forbidden
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole-proxy-keys[1914536]: 
ERROR Key list execution failed rc=1
avril 16 10:52:02 air.v100.abes.fr sshd[1914534]: AuthorizedKeysCommand 
/usr/libexec/ovirt-vmconsole-proxy-keys ovirt-vmconsole failed, status 1
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole[1914547]: 2021-04-16 
10:52:02,806+0200 ovirt-vmconsole-list: ERROR main:265 Error: HTTP Error 
403: Forbidden
avril 16 10:52:02 air.v100.abes.fr ovirt-vmconsole-proxy-keys[1914543]: 
ERROR Key list execution failed rc=1
avril 16 10:52:02 air.v100.abes.fr sshd[1914534]: AuthorizedKeysCommand 
/usr/libexec/ovirt-vmconsole-proxy-keys ovirt-vmconsole failed, status 1
avril 16 10:52:03 air.v100.abes.fr sshd[1914534]: Connection closed by 
authenticating user ovirt-vmconsole 10.34.100.131 port 53674 [preauth]




However you can check if DB contains the right data (key is encoded as
JSON string - enclosed in double quotes):
SELECT users.username, user_profiles.property_content::text
FROM user_profiles
JOIN users ON users.user_id = user_profiles.user_id
WHERE user_profiles.property_type= 'SSH_PUBLIC_KEY';


https://air.v100.abes.fr//ovirt-engine/api/users/1bb90486-d431-4554-a6a1-37631d8c16d4/sshpublickeys



is empty

while

https://air-dev.v100.abes.fr/ovirt-engine/api/users/d5e69fa0-96a0-4aae-952d-18fe36940248/sshpublickeys 



returns


href="/ovirt-engine/api/users/d5e69fa0-96a0-4aae-952d-18fe36940248/sshpublickeys/1fa3fcaf-7475-4c72-9565-b32425d3c8fd" 
id="1fa3fcaf-7475-4c72-9565-b32425d3c8fd">


ssh-rsa 
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw==


href="/ovirt-engine/api/users/d5e69fa0-96a0-4aae-952d-18fe36940248" 
id="d5e69fa0-96a0-4aae-952d-18fe36940248"/>






best regards,
Radek


--
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5   
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanc...@abes.fr
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[ovirt-users] Re: glance repo in 4.3

[Vojtech Juranek]

On Friday, 16 April 2021 09:58:42 CEST Christoph Köhler wrote:
> I use ovirt 4.3.10 and need to get access to a glance repo for vm
> images/templates. The buld-in external provider 'Public Glance
> repository for oVirt' (glance.ovirt.org) does not work, it seems not to
> be maintained.

It is maintained, but IIRC glance.ovirt.org updated to v2 API during upgrade 
(v1 API was deprecated for very long time and IIRC was removed from recent 
Glance releases) and therefor older oVirt installations which uses only v1 API 
stopped working. 
 
> Does someone knows what to do?

upgrade to more recent oVirt, 4.3 is not supported for quite a long time

Vojta


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[ovirt-users] Re: How do I share a disk across multiple VMs?

[Vojtech Juranek]

Hi,
another approach you may consider is to use HA functionality provided by oVirt 
which re-create VM on another host if original host become unavailable and 
attach the disk from underlying Gluster (which is already HA) to newly created 
VM, so you don't have to care about creating HA storage on your VMs. You also 
save some resources as you don't have to have backup VMs running.

The drawback of this approach that re-creating new VM takes more time than 
switching the traffic to already running VM on load balancer. This depends on 
your constraints but IMHO worth to consider.

Vojta

On Friday, 16 April 2021 03:00:23 CEST David White via Users wrote:
> I'm currently thinking about just setting up a rsync cron to run every
> minute.
> 
> 
> Sent with ProtonMail Secure Email.
> 
> ‐‐‐ Original Message ‐‐‐
> 
> On Thursday, April 15, 2021 8:55 PM, David White via Users  
wrote:
> > > David, I’m curious what the use case is
> > 
> > This is for a customer who wants as much high availability as possible for
> > their website, which relies on a basic LAMP or LNMP stack.
> > 
> > 
> > The plan is to create a MariaDB Galera cluster.
> > 
> > 
> > Each of the 3 VMs will run MariaDB, as well as Apache or Nginx (I haven't
> > decided which, yet), and will be able to accept web traffic.
> > 
> > 
> > So the website files will need to be the same across all 3 virtual
> > servers.
> > 
> > 
> > My original intent was to setup a mount point on all 3 virtual servers
> > that mapped back to the same shared disk.
> > 
> > 
> > Strahil, 1 idea I had, which I don't think would be ideal at all, was to
> > setup a separate, new, gluster configuration on each of the 3 VMs.
> > Gluster virtualized on top of gluster! If that doesn't make your head
> > spin, what will? But I'm not seriously thinking about that. :)
> > 
> > 
> > It did occur to me that I could setup a 4th VM to host the NFS share.
> > 
> > 
> > But I'm trying to stay away from as many single points of failures as
> > possible.
> > 
> > 
> > Sent with ProtonMail Secure Email.
> > 
> > 
> > ‐‐‐ Original Message ‐‐‐
> > 
> > On Thursday, April 15, 2021 7:40 PM, Strahil Nikolov via Users 
users@ovirt.org wrote:
> > > I know that clusterizing applications (for example corosync/pacemaker
> > > Active-Passive or even GFS2) require simultaneous access to the data.
> > > 
> > > 
> > > In your case you can create:
> > > 
> > > 
> > > -   2 separate VMs replicating over DRBD and sharing the storage over
> > > NFS/iSCSI -   Using NFS Ganesha (this is just a theory but should work)
> > > to export your Gluster volumes in a redundant and highly available way> 
> 
> > > Best Regards,
> > > Strahil Nikolov
> > > 
> > > В петък, 16 април 2021 г., 01:56:09 ч. Гринуич+3, Jayme 
jay...@gmail.com написа:
> > > David, I’m curious what the use case is. :9 you plan on using the disk
> > > with three vms at the same time?  This isn’t really what shareable
> > > disks are meant to do afaik. If you want to share storage with multiple
> > > vms I’d probably just setup an nfs share on one of the vms> > 
> > > On Thu, Apr 15, 2021 at 7:37 PM David White via Users users@ovirt.org 
wrote:
> > > > I found the proper documentation
> > > > at https://www.ovirt.org/documentation/administration_guide/#Shareabl
> > > > e_Disks. When I tried to edit the disk, I see that sharable is grayed
> > > > out, and when I hover my mouse over it, I see "Sharable Storage is
> > > > not supported on Gluster/Offload Domain". So to confirm, is there any
> > > > circumstance where a Gluster volume can support sharable storage?
> > > > Unfortunately, I don't have any other storage available, and I chose
> > > > to use Gluster, so that I could have a HA environment. Sent with
> > > > ProtonMail Secure Email.
> > > > ‐‐‐ Original Message ‐‐‐
> > > > 
> > > >   On Thursday, April 15, 2021 5:05 PM, David White via Users 
users@ovirt.org wrote:
> > > > > I need to mount a partition across 3 different VMs.
> > > > > How do I attach a disk to multiple VMs?
> > > > > This looks like fairly old
> > > > > documentation-not-documentation: https://www.ovirt.org/develop/rele
> > > > > ase-management/features/storage/sharedrawdisk.html Sent with
> > > > > ProtonMail Secure Email.
> > > > 
> > > > Users mailing list -- users@ovirt.org
> > > > To unsubscribe send an email to users-le...@ovirt.org
> > > > Privacy Statement: https://www.ovirt.org/privacy-policy.html
> > > > oVirt Code of Conduct:
> > > > https://www.ovirt.org/community/about/community-guidelines/ List
> > > > Archives:
> > > > https://lists.ovirt.org/archives/list/users@ovirt.org/message/WZY6OJW
> > > > BH5KAB5H2XXYJOVI7BLR4Z67F/> > 
> > > Users mailing list -- users@ovirt.org
> > > To unsubscribe send an email to users-le...@ovirt.org
> > > Privacy Statement: https://www.ovirt.org/privacy-policy.html
> > > oVirt Code of Conduct:
> > > https://www.ovirt.org/community/about/community-guidelines/ List
> > > Archives:
> > > https://list

[ovirt-users] Re: can't use vmconsole anymore

[Radoslaw Szwajkowski]

> [root@air-dev ~]#
> /usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
> --version "1" keys
> {"keys": [{"entityid": "d5e69fa0-96a0-4aae-952d-18fe36940248", "entity":
> "sblanc...@levant.abes.fr@abes.fr-authz", "key": "ssh-rsa
> B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw=="}],
> "version": 1, "content": "key_list"}
>
> but the same command on the main  engine returns empty
>
> [root@air ~]#
> /usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py
> --version "1" keys
>

Empty list (no keys) should look similar to: {"keys": [], "version":
1, "content": "key_list"}
In your case it seems that VMConsoleProxyServlet is not responding
i.e. on my dev env I get a similar result (empty output,error code 1)
when server is down.

However you can check if DB contains the right data (key is encoded as
JSON string - enclosed in double quotes):
SELECT users.username, user_profiles.property_content::text
FROM user_profiles
JOIN users ON users.user_id = user_profiles.user_id
WHERE user_profiles.property_type= 'SSH_PUBLIC_KEY';

best regards,
Radek
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[ovirt-users] glance repo in 4.3

[Christoph Köhler]

I use ovirt 4.3.10 and need to get access to a glance repo for vm
images/templates. The buld-in external provider 'Public Glance
repository for oVirt' (glance.ovirt.org) does not work, it seems not to
be maintained.

Does someone knows what to do?

Greetings from
Christoph



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[ovirt-users] Re: can't use vmconsole anymore

[Nathanaël Blanchet]

Hello,

This is what I get on working engines:

[root@air-dev ~]# 
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py 
--version "1" keys
{"keys": [{"entityid": "d5e69fa0-96a0-4aae-952d-18fe36940248", "entity": 
"sblanc...@levant.abes.fr@abes.fr-authz", "key": "ssh-rsa 
B3NzaC1yc2EBIwAAAQEAyfrDI84RWtSvFOUvpb9DkbnIuEfZEQAt4ZCXDHNXcmRwa9iXfPbj69gkOJyj7Jhj9RinJn9at4NgJtrO/rRRgT+SzYUWpdO2KWHgRM5v1rpYcw820ZDdAZk+yxCjQsy6kd49q/q6B+Uzg8Kpth+CAV1ubRrBYqFiuT/qQe9y+0N1TkNdASWL38oZH9K0rzbDb4WlU2Er2BCXzoLF2NBk7iyaS3+Y65DqWPPHHdh89nilC6k5N7SCUkSOayrjh7NnErkBAKZ6PPaarZqZhZPrCbHZnu0oqA0XQXKLcYpwuhNwcK8e4ZWsDwMmArnNcmS6JFxnPIrGYxxmv01K6VXVvw=="}], 
"version": 1, "content": "key_list"}


but the same command on the main  engine returns empty

[root@air ~]# 
/usr/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py 
--version "1" keys


It seems that UI field doesn't inject the key, it should exist an other 
way to do it with CLI/API


Le 16/04/2021 à 09:32, Radoslaw Szwajkowski a écrit :

/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py"
--version "1" keys


--
Nathanaël Blanchet

Supervision réseau
SIRE
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5   
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
blanc...@abes.fr
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[ovirt-users] Re: can't use vmconsole anymore

[Radoslaw Szwajkowski]

Hi,
Can you retrieve the keys locally? Do they look the same as on the
other engines?
Try executing the following from shell(engine machine)l:
/libexec/ovirt-vmconsole-proxy-helper/ovirt-vmconsole-list.py"
--version "1" keys

best regards,
Radek

On Thu, Apr 15, 2021 at 9:12 PM Nathanaël Blanchet  wrote:
>
> some more found into /var/log/messages
>
> Apr 15 21:03:58 air journal[1747077]: 2021-04-15 21:03:58,073+0200
> ovirt-vmconsole-list: ERROR main:265 Error: HTTP Error 403: Forbidden
> Apr 15 21:03:58 air ovirt-vmconsole-proxy-keys[1747073]: ERROR Key list
> execution failed rc=1
> Apr 15 21:03:58 air sshd[1747071]: AuthorizedKeysCommand
> /usr/libexec/ovirt-vmconsole-proxy-keys ovirt-vmconsole failed, status 1
> Apr 15 21:03:58 air journal[1747082]: 2021-04-15 21:03:58,573+0200
> ovirt-vmconsole-list: ERROR main:265 Error: HTTP Error 403: Forbidden
> Apr 15 21:03:58 air ovirt-vmconsole-proxy-keys[1747078]: ERROR Key list
> execution failed rc=1
> Apr 15 21:03:58 air sshd[1747071]: AuthorizedKeysCommand
> /usr/libexec/ovirt-vmconsole-proxy-keys ovirt-vmconsole failed, status 1
>
> Le 15/04/2021 à 21:08, Nathanaël Blanchet a écrit :
> > Hi,
> >
> > I was used to use the vmconsole proxy, but since a while, I'm getting
> > this issue (currently 4.4.5):
> >
> > # ssh -t -p   ovirt-vmcons...@air.v100.abes.fr connect
> > ovirt-vmcons...@air.v100.abes.fr: Permission denied (publickey).
> >
> > I found following in the engine.log
> >
> > 2021-04-15 17:55:43,094+02 ERROR
> > [org.ovirt.engine.core.services.VMConsoleProxyServlet] (default
> > task-4) [] Error validating ticket: :
> > sun.security.provider.certpath.SunCertPathBuilderException: unable to
> > find valid certification path to requested target
> > at
> > java.base/sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
> > at
> > java.base/sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
> > at
> > java.base/java.security.cert.CertPathBuilder.build(CertPathBuilder.java:297)
> > at
> > org.ovirt.engine.core.uutils//org.ovirt.engine.core.uutils.crypto.CertificateChain.buildCertPath(CertificateChain.java:128)
> > at
> > org.ovirt.engine.core.uutils//org.ovirt.engine.core.uutils.crypto.ticket.TicketDecoder.decode(TicketDecoder.java:89)
> > at
> > deployment.engine.ear.services.war//org.ovirt.engine.core.services.VMConsoleProxyServlet.validateTicket(VMConsoleProxyServlet.java:175)
> > at
> > deployment.engine.ear.services.war//org.ovirt.engine.core.services.VMConsoleProxyServlet.doPost(VMConsoleProxyServlet.java:225)
> >
> > The user key is the good one, I use the same with my other engines and
> > I can successfully connect to vm consoles.
> >
> > Thank you for helping
> >
> --
> Nathanaël Blanchet
>
> Supervision réseau
> SIRE
> 227 avenue Professeur-Jean-Louis-Viala
> 34193 MONTPELLIER CEDEX 5
> Tél. 33 (0)4 67 54 84 55
> Fax  33 (0)4 67 54 84 14
> blanc...@abes.fr
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[ovirt-users] ovirt-hosted-engine-cleanup

[Marko Vrgotic]

Dear oVirt,

I have three HE Hosts. Upon upgrade from 4.3.5 to 4.3.10 the Hosted Engine did 
not start anymore on Host2, but working just fine on Host1 and Host3.

I tried to Undeploy – Deploy on Host2 but I noticed that hosted-engine.conf  
contains only ca path and host id. It looks like either Undeploy properly or 
Deploy is failing due to reason I am unable to find in the logs.

When checking the hosted-engine –vm-status, even though undeployed, the output 
was still containing Host2 in the list. Than I cleaned metadata on the Host1 
and 3 for Host2 and at that point it was forgotten.

After that I tried adding the Host2 back to HE pool, first installed the Host2 
with fresh OS and than added it to Hosts pool with HostedEngine DEPLOY option. 
Result was the same.
The VDSM on the Host2 was showing ERROR: “2021-04-16 06:47:30,422+ ERROR 
(periodic/3) [root] failed to retrieve Hosted Engine HA score '[Errno 2] No 
such file or directory'Is the Hosted Engine setup finished? (api:196)”
The broker is showing the error: “MainThread::WARNING::2021-04-16 
06:47:27,514::storage_broker::97::ovirt_hosted_engine_ha.broker.storage_broker.StorageBroker::(__init__)
 Can't connect vdsm storage: 'metadata_image_UUID can't be 'None'

Atm, I am thinking of executing the /usr/sbin/ovirt-hosted-engine-cleanup but 
its effect is not clear to me. Is it going to cleanup any HE deploy remains 
from the Host its executed on, or its going to cleanup the other two Hosts, 
rendering my platfrom offline? I have been reading through 
https://www.ovirt.org/images/Hosted-Engine-4.3-deep-dive.pdf but its effect is 
not clear.

I would have tested it already but this issue is on our production platform, so 
I need some experts input before taking further action.

Please advise.


-
kind regards/met vriendelijke groeten

Marko Vrgotic
Sr. System Engineer @ System Administration

ActiveVideo
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m: +31 (65) 5734174
e: m.vrgo...@activevideo.com
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