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Recent Posts

AnsibleFest 2018: Community project highlights

October 8, 2018

ARA Records Ansible 0.15 has been released

May 3, 2018

Scaling ARA to a million Ansible playbooks a month

April 9, 2018

Awesome things in software engineering: open source

February 24, 2018

Rebranding Ansible Run Analysis to ARA Records Ansible

February 23, 2018
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Testing OpenStack is hard

December 4, 2015 David Moreau Simard

5 minute read

I joined Red Hat last September to help the RDO community ship a quality OpenStack package distribution faster.

  • Continue Reading
    • openstack
    • ci
    • continuous integration

Migrating Glance images to a different backend

July 18, 2015 David Moreau Simard

4 minute read

This isn’t exactly far-fetched but nothing seems to do it out of the box: migrate Glance images from a backend to the other.

  • Continue Reading
    • openstack
    • python
    • operations
    • glance
    • swift
    • openstackclient

Openstackclient is better than I thought

June 28, 2015 David Moreau Simard

4 minute read

When openstackclient came out, I was not a believer. I thought.. Great, a new standard (cue XKCD), and I joked about it.

  • Continue Reading
    • openstack
    • python
    • openstackclient

Ceph erasure coding overhead in a nutshell

March 27, 2015 David Moreau Simard

3 minute read

Calculating the storage overhead of a replicated pool in Ceph is easy. You divide the amount of space you have by the “size” (amount of replicas) parameter of your storage pool.

  • Continue Reading
    • ceph
    • erasure coding
    • tutorial

Harness the power of PuppetDB with Ansible's dynamic inventory

March 14, 2015 David Moreau Simard

5 minute read

People out there are wondering what orchestration and configuration tool to use. Rightfully so because it gets confusing quickly.

  • Continue Reading
    • python
    • ansible
    • puppet
    • dynamic inventory
    • puppetdb

New release of python-cephclient: 0.1.0.5

March 11, 2015 David Moreau Simard

1 minute read

I’ve just drafted a new release of python-cephclient on PyPi: v0.1.0.5.

  • Continue Reading
    • ceph
    • python
    • python-cephclient
    • cephclient

How to disable HEAD request caching with nginx and tengine

February 6, 2015 David Moreau Simard

2 minute read

Using tengine (an awesome fork of Nginx, check it out), I found that it would cache HEAD requests even when I thought I explicitly told it not to.

  • Continue Reading
    • webservers
    • nginx
    • tengine
    • head
    • cache
    • caching

A rant about Supermicro IPMI

October 9, 2014 David Moreau Simard

1 minute read

Our OS installations are automated for the most part so we don’t need to use IPMI all that much if not for troubleshooting over the KVM virtual console or rebooting servers.

  • Continue Reading
    • rant
    • supermicro
    • ipmi

S3QL, a filesystem over HTTP with Openstack Swift

September 29, 2014 David Moreau Simard

7 minute read

Swift is Openstack‘s Object Storage project.

  • Continue Reading
    • openstack
    • swift
    • object storage
    • s3ql

Finding the right Openstack provider

September 28, 2014 David Moreau Simard

3 minute read

How to find a great Openstack provider. Isn’t that a good question ?

  • Continue Reading
    • openstack
    • tutorial
    • marketplace
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dmsimard.com

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I learn new stuff every day. Sometimes I write about it. Sometimes I rant about it.

Recent Posts

AnsibleFest 2018: Community project highlights

October 8, 2018

ARA Records Ansible 0.15 has been released

May 3, 2018

Scaling ARA to a million Ansible playbooks a month

April 9, 2018

Awesome things in software engineering: open source

February 24, 2018

Rebranding Ansible Run Analysis to ARA Records Ansible

February 23, 2018
View more posts

Categories

openstack 35

ansible 21

ara 16

ceph 11

tutorial 9

puppet 4

rdo 4

conference 3

python 3

webservers 3

meta 2

rant 2

awesome-things 1

databases 1

fedora 1

monitoring 1

networking 1

open-source 1

security 1

About

Hi! I'm David or otherwise known online as dmsimard. I'm a Principal Software Engineer and contributor to the upstream Ansible community at Red Hat. I don't blog much anymore but feel free to reach out and chat !

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