Sébastien Han
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OpenStack Summit Tokyo: Ceph and OpenStack Current Integration and Roadmap

November 16, 2015 · 1 min read
Sébastien Han
Sébastien Han

Date: 29/10/2015 Video: Tokyo%20summit-%20OpenStack%20and%20Ceph.pdf Download PDF preview not available in this browser.

Tags:
  • presentation
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Ceph, Containers and OpenStack presentation

October 15, 2015 · 1 min read
Sébastien Han
Sébastien Han

Today I gave a presentation (in french) at the OpenStack Meetup 17 in Paris, France. Slides are in english so you can have a look. :)

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  • presentation
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OpenStack Nova snapshots on Ceph RBD

October 5, 2015 · 3 min read
Sébastien Han
Sébastien Han

I have been waiting for this feature for more than a year and it is almost there! This likely brings us one step toward diskless compute nodes. This “under the hood” article will explain …

Tags:
  • openstack
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OpenStack Nova: configure multiple Ceph backends on one hypervisor

September 15, 2015 · 6 min read
Sébastien Han
Sébastien Han

Configure a Nova hypervisor with more than one backend to store the instance’s root ephemeral disks.

Tags:
  • openstack
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Ceph: release RAM used by TCMalloc

September 9, 2015 · 1 min read
Sébastien Han
Sébastien Han

Quick tip to release the memory that tcmalloc has allocated but which is not being used by the Ceph daemon itself.

Tags:
  • ceph
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The Ceph and TCMalloc performance story

September 7, 2015 · 3 min read
Sébastien Han
Sébastien Han

This article simply relays some recent discovery made around Ceph performance. The finding behind this story is one of the biggest improvement in Ceph performance that has been seen in years. So I …

Tags:
  • ceph
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Ceph at the OpenStack Summit Tokyo 2015

September 4, 2015 · 1 min read
Sébastien Han
Sébastien Han

With this article, I would like to take the opportunity to thank you all for voting for our presentation. It is always with a great pleasure that we will give you the last updates of Ceph …

Tags:
  • openstack
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Ceph: validate that the RBD cache is active

September 2, 2015 · 2 min read
Sébastien Han
Sébastien Han

Quick and simple test to validate if the RBD cache is enabled on your client.

Tags:
  • ceph
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CephFS: determine a file location

August 31, 2015 · 1 min read
Sébastien Han
Sébastien Han

Quick tip to determine the location of a file stored on CephFS.

Tags:
  • ceph
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Ceph cluster on Docker for testing

August 24, 2015 · 2 min read
Sébastien Han
Sébastien Han

I haven’t advertised this one really much (even if I’ve been using it in some articles). Since people are still wondering how to quickly get a full Ceph cluster up and running for …

Tags:
  • containers
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