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This issue can be reproduced on all hypervisors not only just hyper-v,
the root cause is some resources have been occupied before vm is
spawned, but if spawn failed resource won't be reclaimed back, a
solution is to redraw the resource allocated to vm with error state.
** Changed in: nova
Assignee: (unassigned) => Xiang Hui (xianghui)
** Changed in: nova
Status: Invalid => In Progress
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https://bugs.launchpad.net/bugs/1193226
Title:
Resources utilization in nova count those vm which failed.
Status in OpenStack Compute (Nova):
In Progress
Bug description:
When vm deploy failed, the nova still count the resources which
allocated to that vm as occupied, is this work as design?
1. check first
> nova hypervisor-show 1
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| hypervisor_hostname | WIN-UJAK7KN9LRA |
| cpu_info | {"vendor": "GenuineIntel", "model": "Intel(R) Xeon(R) CPU X5650 @ 2.67GHz", "arch": "x64", "features": ["mmx", "sse", "rdtsc", "pae", "sse2", "nx", "sse3"], "topology": {"cores": 6, "threads": 2, "sockets": 2}} |
| free_disk_gb | 516 |
| hypervisor_version | 629200 |
| disk_available_least | None |
| local_gb | 556 |
| free_ram_mb | 130548 |
| id | 1 |
| vcpus_used | 2 |
| hypervisor_type | hyperv |
| local_gb_used | 40 |
| memory_mb_used | 4608 |
| memory_mb | 135156 |
| current_workload | 0 |
| vcpus | 24 |
| running_vms | 2 |
| service_id | 47 |
| service_host | WIN-UJAK7KN9LRA
IBM-SCE> nova list
+--------------------------------------+--------------+--------+----------+
| ID | Name | Status | Networks |
+--------------------------------------+--------------+--------+----------+
| 1cb055e4-a2db-434d-816a-c2b12c87d49f | test-vm-2 | ACTIVE | |
| 970ad589-a613-4189-860f-60b2610da0ab | testDeploy01 | ACTIVE | |
+--------------------------------------+--------------+--------+----------+
IBM-SCE>
Hyperv-manager have 2 instances
2. Then I deploy one instance(with flavor small), deploy failed
IBM-SCE> nova list
+--------------------------------------+--------------+--------+----------+
| ID | Name | Status | Networks |
+--------------------------------------+--------------+--------+----------+
| 1cb055e4-a2db-434d-816a-c2b12c87d49f | test-vm-2 | ACTIVE | |
| 2c1d0921-e2af-4e7e-a1c9-9c5b0080e336 | test-vm-os-1 | ERROR | |
| 970ad589-a613-4189-860f-60b2610da0ab | testDeploy01 | ACTIVE | |
+--------------------------------------+--------------+--------+----------+
> nova hypervisor-show 1
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+----------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| hypervisor_hostname | WIN-UJAK7KN9LRA |
| cpu_info | {"vendor": "GenuineIntel", "model": "Intel(R) Xeon(R) CPU X5650 @ 2.67GHz", "arch": "x64", "features": ["mmx", "sse", "rdtsc", "pae", "sse2", "nx", "sse3"], "topology": {"cores": 6, "threads": 2, "sockets": 2}} |
| free_disk_gb | 496 |
| hypervisor_version | 629200 |
| disk_available_least | None |
| local_gb | 556 |
| free_ram_mb | 128500 |
| id | 1 |
| vcpus_used | 3 |
| hypervisor_type | hyperv |
| local_gb_used | 60 |
| memory_mb_used | 6656 |
| memory_mb | 135156 |
| current_workload | 0 |
| vcpus | 24 |
| running_vms | 3 |
| service_id | 47 |
| service_host | WIN-UJAK7KN9LRA |
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