All, This I did this earlier this morning and neglected to notice that there were a set of about 10 VMs that did not start properly upon migrating them. I just went through all of them and they should be up now. I think the problem was related to an issue with the neutron-linuxbridge-agent not working properly initially and thus resulted in a failed VM startup on the other node.
Everything should be back to normal now. Thanks- On Tue, Apr 2, 2019 at 4:33 PM Lance Albertson <la...@osuosl.org> wrote: > All, > > I need to have a short outage for all POWER9 virtual machines running on > our cluster. I've been doing kernel upgrades on the hypervisors and I ran > into an interesting problem on the POWER9 machines. > > For whatever reason, I'm not able to complete a live migration between a > POWER9 hypervisor running the 4.14 kernel onto a machine which has the > newer 4.19 kernel. I've confirmed that once the a VM has been moved to a > machine running the newer kernel, live migrations work between nodes > running the newer kernel. I did not run into this problem with the POWER8 > nodes. > > My plan is to issue a "migrate" command for each POWER9 VM running at 9AM > PDT (1600 UTC) which will gracefully shutdown the VM and power it up on > another server. I expect the outage should last no more than a few minutes > per VM. > > If this is a problem for your project, please let me know ASAP. > > Thanks- > > -- > Lance Albertson > Director > Oregon State University | Open Source Lab > -- Lance Albertson Director Oregon State University | Open Source Lab
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