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Tim Bell
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Hardware burn-in in the CERN datacenter
During the Ironic sessions at the recent OpenStack Dublin PTG in Spring 2018, there were some discussions on adding a further burn in step to the OpenStack Bare Metal project (Ironic) state machine . The notes summarising the sessions were reported to the o...
Hardware burn-in in the CERN datacenter
Hardware burn-in in the CERN datacenter
openstack-in-production.blogspot.com
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Expiry of VMs in the CERN cloud
The CERN cloud resources are used for a variety of purposes from running compute intensive workloads to long running services. The cloud also provides personal projects for each user who is registered to the service. This allows a small quota (5 VMs, 10 cor...
Expiry of VMs in the CERN cloud
Expiry of VMs in the CERN cloud
openstack-in-production.blogspot.com
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Scheduled snapshots
While most of the machines on the CERN cloud are configured using
Puppet with state stored in external databases or file stores, there are a few
machines where this has been difficult, especially for legacy applications. Doing a regular snapshot of these ma...
Scheduled snapshots
Scheduled snapshots
openstack-in-production.blogspot.com
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Scheduled snapshots
While most of the machines on the CERN cloud are configured using Puppet with state stored in external databases or file stores, there are a few machines where this has been difficult, especially for legacy applications. Doing a regular snapshot of these ma...
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Nested quota models
At the Boston Forum, there were many interesting discussions on models
which could be used for nested quota management ( https://etherpad.openstack.org/p/BOS-forum-quotas ). Some of the background for the use has been explained previously in the
blog ( http...
Nested quota models
Nested quota models
openstack-in-production.blogspot.com
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OpenStack papers community on Zenodo
At the recent summit in Boston, Doug Hellmann and I were discussing research around OpenStack, both the software itself but also how it is used by applications. There are many papers being published in proceedings of conferences and PhD theses but finding o...
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Migrating to Keystone Fernet Tokens
For several OpenStack releases, the Identity service in OpenStack offers an additional token format
than UUID, called Fernet.  This token format
has a series of advantages over the UUID, the most prominent for us is that it
doesn't need to be persisted. We ...
Migrating to Keystone Fernet Tokens
Migrating to Keystone Fernet Tokens
openstack-in-production.blogspot.com
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os_type property for Windows images on KVM
The OpenStack images have a long list of properties which can set to describe the image meta data. The full list is described in the documentation . This blog reviews some of these settings for Windows guests running on KVM, in particular for Windows 7 and ...
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Containers on the CERN cloud
We have recently made the Container-Engine-as-a-Service (Magnum) available in production at CERN as part of the CERN IT department services for the LHC experiments and other CERN communities. This gives the OpenStack cloud users Kubernetes, Mesos and Docker...
Containers on the CERN cloud
Containers on the CERN cloud
openstack-in-production.blogspot.ch
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