6:37 p.m.
I have built a system as a template on oVirt. Specifically, Ubuntu 18.04 server.
I am noticing an issue when creating new vms from that template. I used the check box for
"seal template" when creating the template.
When I create a new Ubuntu VM I am getting duplicate IP addresses for all the machines
created from the template.
It seems like the checkbox doesn't fully function as intended. I would need to do
further manual steps to clear up this issue.
Has anyone else noticed this behavior? Is this expected or have I missed something?
Thanks for your input!
5:36 a.m.
On January 28, 2020 7:37:44 PM GMT+02:00, jeremy_tourville(a)hotmail.com wrote:
I have built a system as a template on oVirt. Specifically, Ubuntu
18.04 server.
I am noticing an issue when creating new vms from that template. I
used the check box for "seal template" when creating the template.
When I create a new Ubuntu VM I am getting duplicate IP addresses for
all the machines created from the template.
It seems like the checkbox doesn't fully function as intended. I would
need to do further manual steps to clear up this issue.
Has anyone else noticed this behavior? Is this expected or have I
missed something?
Thanks for your input!
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Hi,
Are you using dhcp ?
If yes, thrn - this should not happen.
When you create a new VM , please check the MAC address of the VM ?
Also you can try to run 'virt-sysprep' on the Template's disk and check the
output for errors.
Best Regards,
Sttrahil Nikolov
1:37 p.m.
Yes, I am using DHCP.
I'll review the MAC address and try running virt-sysprep and report back.
2:46 a.m.
I have seen the same problem. Even confirmed that MAC address are different on VM's. I
am using a DSHP server.
How do you use the virt-sysprep command? is executed from ovirt-master / vm? how do you
select the template though?
I'm at the same point as you, not sure if this is expected behave or missing
something.
7:55 a.m.
Good morning,
I think the location of the client lease file has changed from 16.04 to 18.04 when moving
to netplan.
I think, after creating a template, this file should be deleted, otherwise the client may
reuse the old IP...
18.04 and above: /run/systemd/netif/leases/
below: /var/lib/dhcp/
BR Florian
----- Ursprüngliche Mail -----
Von: "Miguel Garcia" <miguel.garcia(a)toshibagcs.com>
An: "users" <users(a)ovirt.org>
Gesendet: Dienstag, 24. August 2021 02:46:31
Betreff: [ovirt-users] Re: Template for Ubuntu 18.04 Server Issues
I have seen the same problem. Even confirmed that MAC address are different on VM's. I
am using a DSHP server.
How do you use the virt-sysprep command? is executed from ovirt-master / vm? how do you
select the template though?
I'm at the same point as you, not sure if this is expected behave or missing
something.
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2:57 p.m.
New subject: [External] : Re: Template for Ubuntu 18.04 Server Issues
Hi Miguel,
The virt-sysprep command seals a VM when building it on a standalone KVM host.
Creating a template using the Make Template option in the VMs page automatically seals the
VM during this process.
Anyway, in a standalone KVM host, gracefully shut down the VM and run the command as
follows:
# virt-sysprep -d <vm-name>
Regards,
Marcos
-----Original Message-----
From: Miguel Garcia <miguel.garcia(a)toshibagcs.com>
Sent: segunda-feira, 23 de agosto de 2021 21:47
To: users(a)ovirt.org
Subject: [External] : [ovirt-users] Re: Template for Ubuntu 18.04 Server Issues
I have seen the same problem. Even confirmed that MAC address are different on VM's. I
am using a DSHP server.
How do you use the virt-sysprep command? is executed from ovirt-master / vm? how do you
select the template though?
I'm at the same point as you, not sure if this is expected behave or missing
something.
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11:55 p.m.
Found out a workaround, please check this link. It worked for us:
https://kb.vmware.com/s/article/82229
5:53 p.m.
Found out a workaround, please check this link. It worked for us:
https://kb.vmware.com/s/article/82229
Which oVirt version are we talking about? With oVirt 4.4.7 the
machine-id should be reset properly for each VM as we run virt-sysprep
also when creating the VM from template (unless it is in pool I think).
See semi-related bug: https://bugzilla.redhat.com/1887434
Hope this helps,
Tomas
On Wed, Aug 25, 2021 at 09:55:35PM -0000, Miguel Garcia wrote:
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--
Tomáš Golembiovský <tgolembi(a)redhat.com>
960
days inactive
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days old
7 comments
6 participants
participants (6)
-
Florian Schmid -
jeremy_tourville＠hotmail.com -
Marcos Sungaila -
Miguel Garcia -
Strahil Nikolov -
Tomáš Golembiovský