Public bug reported:
Detail description and steps:
1. Configure vmdk as the volume_driver in cinder.conf, restart cinder
corresponding service. Just like below:
volume_driver=cinder.volume.drivers.vmware.vmdk.VMwareVcVmdkDriver
2. Create a volume with command with "cinder create..."
Current problem:
If there are many hosts in the environment, for example 200 hosts, and the top
hosts of the hosts list don't meet the requirement, it will lead openstack to
interactive many times with vcenter(api calls), and it will cause the
performance of volume creation very bad. The time cost mainly focuses on
datastore selection phase.
Expected result:
Even though there are many hosts in the environment, the duration for volume
creation(datastore selection) with vmdk driver is within acceptable range.
** Affects: nova
Importance: Undecided
Status: New
** Tags: vmware
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https://bugs.launchpad.net/bugs/1521894
Title:
Datastore selection in cinder vmdk driver is too slow
Status in OpenStack Compute (nova):
New
Bug description:
Detail description and steps:
1. Configure vmdk as the volume_driver in cinder.conf, restart cinder
corresponding service. Just like below:
volume_driver=cinder.volume.drivers.vmware.vmdk.VMwareVcVmdkDriver
2. Create a volume with command with "cinder create..."
Current problem:
If there are many hosts in the environment, for example 200 hosts, and the
top hosts of the hosts list don't meet the requirement, it will lead openstack
to interactive many times with vcenter(api calls), and it will cause the
performance of volume creation very bad. The time cost mainly focuses on
datastore selection phase.
Expected result:
Even though there are many hosts in the environment, the duration for volume
creation(datastore selection) with vmdk driver is within acceptable range.
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1521894/+subscriptions
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