XCP-ng 8.3 updates announcements and testing

[flakpyro]

Installed on my usual selection of hosts. (A mixture of AMD and Intel hosts, SuperMicro, Asus, and Minisforum). No issues after a reboot, PCI Passthru, backups, etc continue to work smoothly. Also installed on a HP GL325 Gen 10 with no issues after reboot.

[ph7]

@rzr said:
xo-lite: 0.18.0-1.xcpng8.3

Well I was and still is on v0.19.0:

I am running an old AMD Ryzen 5 2400GE homelab with NFS
no XOSTOR or SDN.
Tested NTP Def and dhcp, ssh, wget, cont. repl. ...
all worked fine so far.

[rzr]

@ph7 said:

Well I was and still is on v0.19.0:

So you're up to date ! it was a mistake, let me generate an up to date list

[JeffBerntsen]

@rzr Installed and seems to be working normally on my test systems.

[acebmxer]

@rzr

Updated my to AMD Ryzen host in my home lab. No issues with update will monitor and report back any issues.

[acebmxer]

@rzr

Built new Ubuntu 24.04 vm either fresh install from ISO or from cloudint i seem to be having issues. Existing vms seem to be fine. First thought was becuase vm was multiple nics add it might have caused networking issues. Powered off that vm and build new (first as fresh from iso. Second from cloudint) with 1 nic. Same issues...

Update - issues were with script that i updated prior to updating hosts. Fixed script all is working again. Didnt test script on new vm prior to updating host.

[olivierlambert]

I'm not sure it's the right topic for that, probably worth creating a new one

[acebmxer]

@olivierlambert Created new topic.

[gduperrey]

New update candidate for you to test!

A new update for the Xen packages is ready, which brings a significant improvement in live migration performance on AMD systems under heavy load, that we add to the previous batch of updates for a common publication.

---

Maintenance updates

• xen: Improve migration performance on AMD systems under heavy load.

Test on XCP-ng 8.3

yum clean metadata --enablerepo=xcp-ng-testing,xcp-ng-candidates
yum update --enablerepo=xcp-ng-testing,xcp-ng-candidates
reboot

The usual update rules apply: pool coordinator first, etc.

Versions:

• xen: 4.17.6-4.1.xcpng8.3

What to test

Normal use and anything else you want to test. If you have a pool with AMD processors, we're interested in your feedback regarding live migration under heavy load.

Test window before official release of the updates

~4/5 days

[Andrew]

@gduperrey The new OpenSSL/SSH blocks existing/working RSA keys from older SSH clients. While you can still use a password for SSH, it will block old keys from working which will break things (not good for existing LTS installs). To maintain compatibility add PubkeyAcceptedAlgorithms +ssh-rsa to /etc/ssh/sshd_config

[flakpyro]

@gduperrey Tested this on the same hosts i already have running the testing updates from earlier. No issues. Mixture of AMD and Intel.