These nodes are functioning on a flat layer 2 network. No firewalls and dual 100G with MTU 9k

Get Outlook for iOS

Karl Kloppenborg

Chief Technology Officer

m: +61 437 239 565
resetdata.com

ResetData supports Mandatory Client Related Financial Disclosures – Scope 3 Emissions Reporting
For more information on the phasing of these requirements for business please visit;
https://treasury.gov.au/sites/default/files/2024-01/c2024-466491-policy-state.pdf

This email transmission is intended only for the addressee / person responsible for delivery of the message to such person and may contain confidential or privileged information. Confidentiality and legal privilege are not waived or lost by reason of mistaken delivery to you, nor may you use, review, disclose, disseminate or copy any information contained in or attached to it. Whilst this email has been checked for viruses, the sender does not warrant that any attachments are free from viruses or other defects. You assume all liability for any loss, damage or other consequences which may arise from opening or using the attachments. If you received this e-mail in error please delete it and any attachments and kindly notify us by immediately sending an email to contact@resetdata.com.au

From: Kees Meijs | Nefos <keesm@nefos.com>
Sent: Friday, September 12, 2025 7:33:42 PM
To: Karl Kloppenborg <kkloppenborg@resetdata.com.au>; OpenStack Discuss <openstack-discuss@lists.openstack.org>
Subject: Re: Live-migration never completes memory copy

Hi,

How is firewalling (packet filtering) in between your Compute Nodes? The KVM/QEMU processes need to be able to connect to each other, to transfer the memory pages.

Cheers,
Kees

__

Kees Meijs BICT

Nefos IT bv
Burgemeester Mollaan 34a
5582 CK Waalre - NL
kvk 66494931

+31 (0)88 2088 188
nefos.com

The information contained in this message is intended for the addressee only and may contain classified information. If you are not the addressee, please delete this message and notify the sender; you should not copy or distribute this message or disclose its contents to anyone. Any views or opinions expressed in this message are those of the individual(s) and not necessarily of the organization. No reliance may be placed on this message without written confirmation from an authorised representative of its contents. No guarantee is implied that this message or any attachment is virus free or has not been intercepted and amended.

General terms and conditions ("The NLdigital Terms") apply to all our products and services.

On 12-09-2025 11:06, Karl Kloppenborg wrote:

thanks for this, we did try this but still stuck at what appears to be “initial” memory copy