Description of problem: Creating multiple VM via horizon leads to failure with error `Failed to allocate the network(s), not rescheduling` Error: Failed to perform requested operation on instance "yess-vm-6", the instance has an error status: Please try again later [Error: Build of instance 45dc7fee-22ab-432f-b05b-4c4e7598e7ed aborted: Failed to allocate the network(s), not rescheduling.]. Error: Failed to perform requested operation on instance "yess-vm-5", the instance has an error status: Please try again later [Error: Build of instance 17c777ef-c938-4e28-b5ed-0d556185f891 aborted: Failed to allocate the network(s), not rescheduling.]. Version-Release number of selected component (if applicable): RHOSP16.1.8 How reproducible: Always Steps to Reproduce: 1. Launch 10 VMs via horizon 2. Wait for few minutes 3. issue gets reproduced Actual results: VM creation fails Expected results: VM creations should be successful Additional info:
Hello Team, Here are the details about issue - Created VM via CLI 2-3 times everything went well - Than tried creating 5 VMs from Horizon at a single time out of which 3 were Active and 2 failed with network ERROR Error: Failed to perform requested operation on instance "yess-vm-6", the instance has an error status: Please try again later [Error: Build of instance 45dc7fee-22ab-432f-b05b-4c4e7598e7ed aborted: Failed to allocate the network(s), not rescheduling.]. Error: Failed to perform requested operation on instance "yess-vm-5", the instance has an error status: Please try again later [Error: Build of instance 17c777ef-c938-4e28-b5ed-0d556185f891 aborted: Failed to allocate the network(s), not rescheduling.]. - Than we tried combination nova configs in nova.conf of controller ~~~ [DEFAULT]/vif_plugging_timeout=900 [neutron]/timeout=30 ~~~ ~~~ [DEFAULT]/vif_plugging_timeout=300 [neutron]/timeout=60 ~~~ - Than we created 10 VMs out of which 5 were Active and 5 in ERROR with same `neutron error` - The reason behind why always compute-7 is selected it has weight in +ve value whereas for rest its in -ve - The issues seems to be call/request timeout between nova and neutron
*** This bug has been marked as a duplicate of bug 2125843 ***