Hi,
The first unofficial French ceph user meetup took place in Nantes on Friday
29th 2013. There were 8 participants.
Yann from the University of Nantes related his use case of ceph. During his
presentation we talked about hardware choices, about using SSD and problems
he has experienced in his infrastructure. We also talked about his choice
of cephfs and rbd to access his ceph cluster. With Q/A this occupied our
morning.
In the afternoon, we talked about the supervision and administration of
ceph. Alain from Orange Labs showed us a first version of a web interface
based on ceph-rest-api to create ceph objects and a d3js view like 'osd
tree' and 'osd status'; it was great. We discussed what this interface
should look like, and proposed to create a github projet to boost the
developpement of this interface. That should happen soon.
We think that it is a pity that we can not specify the ruleset when
creating a pool with ceph_rest_api:
osd/pool/create?pool=pool(<poolname>)&pg
_num=pg_num(<int[0-]>)&pgp_num={pgp_num( <int[0-]>)}. We will list all the
differences between ceph_rest_api and the ceph cli and keep inktank team
informed.
We also had a discussion about how to aggregate informations needed for
supervision, administration and d3js visualization. Pierre from Affilae
proposed using mongoDB instead of redis to store all the information, not
only ceph information but also hardware and system information. We are
going to test this idea. We will propose a solution to collect and analyse
informations for nagios, d3js and administration interfaces. In conclusion,
the community needs an administration interface to help ceph get adopted by
more companies. So let's do it!
I enjoyed this meeting and I 'm looking forward to the next one.
People who are interested by the next French meetup can send me an e-mail.
Best Regards,
--
Eric Mourgaya,
Respectons la planete!
Luttons contre la mediocrite!
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