Experimental update of CentOS packages
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The live migration issue may, or not, be related to this: https://xcp-ng.org/forum/topic/522/unable-to-migrate-live-vms-after-upgrading-from-xcp-ng-7-4-to-7-5/
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Do you have any suggestions for me to try to help see if this is related?
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Yes, you could install
emu-managerfrom XenServer 7.6 (present on their installation ISO) and see if live migration works better (note that reproducing the issue may depend on VM load or other factors, so if it does migrate well, try several times to confirm the result).Once you've got the RPM:
rpm -e --nodeps xcp-emu-manager yum install emu-manager-version_and_such.rpm xe-toolstack-restart # may not be needed but doesn't hurt -
This fixed the issue for a few migrations. The latest one put the VM into a suspended mode and then disconnected me from the host. I restarted the tool-stack on each host and when I went to reconnect to the host I was migrating the VM from it would let me in for a moment and then kick me out again and it was in a maintence mode according to the icon. To resolve this I rebooted the host. I'm currently seeing if I can replicate this behavior.
Other than this I haven't run into any issues so far.
Let me know if there is anything specific you would like tested.
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i know this topic is old, but is this still going on? I would like to participate.
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Problem is considered solved now.
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Since I started this topic, XCP-ng version 8.0 came with updated CentOS packages (to CentOS 7.5). Now the versions remain stable but I'm regularly checking CentOS security updates for important updates that may be necessary to us.
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@stormi I have a doubt, you say that XCP-ng 8.0 comes with packages updated to CentOS 7.5 plus some custom package like kernel.
If I update the host via yum it goes to the latest CentOS 7.x version plus latest updates, I'm right?
I don't see any yum settings that keep it stuck to 7.5.
I mean, the updates repo have this source:
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
and $releasever = 7 widhtout any minor release specification, so I assume an update takes my base OS to the latest minor plus updates. -
@nackstein If you update to latest CentOS you probably basically just break your system. The CentOS repos are not active by default on purpose. We let them as a convenience for those who really really need to (and understand the risk) to cherry-pick additional software that we don't offer in our own repos.
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@stormi enabled=0, didn't see it! thanks
