Hi All, Due to a hostname change, we ended up having a new hypervisor-id for one of our compute nodes. It was already running two instances and then, we didn't catch the updated hypervisor-id. This ended up with new instances spawning up with new hypervisor-id.
Now, the instances with older hypervisor-id are not seen in "virsh list", rebooting those instances keep them rebooting. [root (admin)]# nova hypervisor-servers compute-90 +--------------------------------------+-------------------+---------------+---------------------+ | ID | Name | Hypervisor ID | Hypervisor Hostname | +--------------------------------------+-------------------+---------------+---------------------+ | 9688dcef-2836-496f-8b70-099638b73096 | instance-00000712 | 40 | compute-90.test.edu | | f7373cd6-96a0-4643-9137-732ea5353e94 | instance-00000b74 | 40 | compute-90.test.edu | | c8926585-a260-45cd-b008-71df2124b364 | instance-00001270 | 92 | compute-90.test.edu | | a0aa3f5f-d49b-43a6-8465-e7865bb68d57 | instance-000018de | 92 | compute-90.test.edu | | d729f9f4-fcae-4abe-803c-e9474e533a3b | instance-000016e0 | 92 | compute-90.test.edu | | 30a6a05d-a170-4105-9987-07a875152907 | instance-000017e4 | 92 | compute-90.test.edu | | 6e0fa25b-569d-4e9e-b57d-4c182c1c23ea | instance-000018f8 | 92 | compute-90.test.edu | | 5964f6cc-eec3-493a-81fe-7fb616c89a8f | instance-000018fa | 92 | compute-90.test.edu | +--------------------------------------+-------------------+---------------+---------------------+ [root@compute-90]# virsh list Id Name State ---------------------------------------------------- 112 instance-00001270 running 207 instance-000018de running 178 instance-000016e0 running 189 instance-000017e4 running 325 instance-000018f8 running 336 instance-000018fa running Instances not visible: instance-00000712 and instance-00000b74 Is there a way to recover from this step? I can delete the old services(nova service-delete <id>), but I am confused whether it will lead to loss of already running instances with old hypervisor-id? Is there a way I can update the state of those instances to use hypervisor-id as 92 instead of 40? Kindly do let me know if you have any suggestions. Thanks. *Rahul Sharma* *MS in Computer Science, 2016* College of Computer and Information Science, Northeastern University Mobile: 801-706-7860 Email: rahulsharma...@gmail.com
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