See you at the OpenStack summit
Next week is the OpenStack Summit conference. eNovance’s team will be present at the event. The convention is going to be awesome, I saw plenty of amazing sessions and I really look forward to …
Read more →Openstack: quickly fix mirrored queues errors
Just started with Grizzly and already been through some minor issues :).
Read more →Ceph Puppet Modules
Quite recently François Charlier and I worked together on the Puppet modules for Ceph on behalf of our employer eNovance. In fact, François started to work on them last summer, back then he achieved …
Read more →Grizzly availability zones
Short short update.
Read more →Ceph: change PG number on the fly
A Placement Group (PG) aggregates a series of objects into a group, and maps the group to a series of OSDs. A common mistake while creating a pool is to use the rados command which by default creates …
Read more →MySQL and general logs
Update the general_log variable while MySQL runs.
Read more →OpenStack: override DHCP information sent by DNSMASQ to a VM
One of the most annoying thing is when the resolv.conf of your VM keeps changing because of the information sent by the DNSMASQ process. In this article, I assume that your setup has some conventions …
Read more →Purge some MySQL binary logs
The default value of the variable expire_logs_days is 10 days, most of the time this is way too long. This mini how-to shows how to change this value. Fortunately expire_logs_days is a dynamic …
Read more →Mount a specific pool with CephFS
The title of the article is a bit wrong, but it’s certainly the easiest to understand :-).
Read more →Ceph geo-replication (sort of)
It’s fair to say that the geo-replication is one of the most requested feature by the community. This article is draft, a PoC about Ceph geo-replication. Disclaimer: yes this setup is tricky …
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