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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1252827

Title:
  VMWARE: Intermittent problem with stats reporting

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) havana series:
  Fix Released
Status in The OpenStack VMwareAPI subTeam:
  In Progress

Bug description:
  I see that sometimes vmware driver reports 0 stats. Please take a look
  at the following log file for more information:
  http://162.209.83.206/logs/51404/6/screen-n-cpu.txt.gz

  excerpts from log file:
  2013-11-18 15:41:03.994 20162 WARNING nova.virt.vmwareapi.vim_util [-] Unable to retrieve value for datastore Reason: None
  2013-11-18 15:41:04.029 20162 WARNING nova.virt.vmwareapi.vim_util [-] Unable to retrieve value for host Reason: None
  2013-11-18 15:41:04.029 20162 WARNING nova.virt.vmwareapi.vim_util [-] Unable to retrieve value for resourcePool Reason: None
  2013-11-18 15:41:04.029 20162 DEBUG nova.compute.resource_tracker [-] Hypervisor: free ram (MB): 0 _report_hypervisor_resource_view /opt/stack/nova/nova/compute/resource_tracker.py:389
  2013-11-18 15:41:04.029 20162 DEBUG nova.compute.resource_tracker [-] Hypervisor: free disk (GB): 0 _report_hypervisor_resource_view /opt/stack/nova/nova/compute/resource_tracker.py:390
  2013-11-18 15:41:04.030 20162 DEBUG nova.compute.resource_tracker [-] Hypervisor: VCPU information unavailable _report_hypervisor_resource_view /opt/stack/nova/nova/compute/resource_tracker.py:397

  During this time we cannot spawn any server. Look at the
  http://162.209.83.206/logs/51404/6/screen-n-sch.txt.gz

  excerpts from log file:
  2013-11-18 15:41:52.475 DEBUG nova.filters [req-dc82a954-3cc5-4627-ae01-b3d1ec2155af InstanceActionsTestXML-tempest-716947327-user InstanceActionsTestXML-tempest-716947327-tenant] Filter AvailabilityZoneFilter returned 1 host(s) get_filtered_objects /opt/stack/nova/nova/filters.py:88
  2013-11-18 15:41:52.476 DEBUG nova.scheduler.filters.ram_filter [req-dc82a954-3cc5-4627-ae01-b3d1ec2155af InstanceActionsTestXML-tempest-716947327-user InstanceActionsTestXML-tempest-716947327-tenant] (Ubuntu1204Server, domain-c26(c1)) ram:-576 disk:0 io_ops:0 instances:1 does not have 64 MB usable ram, it only has -576.0 MB usable ram. host_passes /opt/stack/nova/nova/scheduler/filters/ram_filter.py:60
  2013-11-18 15:41:52.476 INFO nova.filters [req-dc82a954-3cc5-4627-ae01-b3d1ec2155af InstanceActionsTestXML-tempest-716947327-user InstanceActionsTestXML-tempest-716947327-tenant] Filter RamFilter returned 0 hosts
  2013-11-18 15:41:52.477 WARNING nova.scheduler.driver [req-dc82a954-3cc5-4627-ae01-b3d1ec2155af InstanceActionsTestXML-tempest-716947327-user InstanceActionsTestXML-tempest-716947327-tenant] [instance: 1a648022-1783-4874-8b41-c3f4c89d8500] Setting instance to ERROR state.

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