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Hi folks,
I've posted pretty much the same question to ceph-users@xxxxxxx on November 23rd [2] but got no response there. Seeing how dev@xxxxxxx was (literally) mentioned on your corresponding survey [1], I figured I'll try dev@ next.
I'm looking for guidance/recommendations on how to approach below topic. As I'm
fairly new to Ceph as a whole, I might be using or looking for terms/solutions incorrectly
or simply missing some obvious puzzle pieces. Please do not assume advanced Ceph knowledge
on my part (-:
We are looking at building up multiple Ceph clusters, each possibly consisting of multiple
different pools / different configurations (repair prio, etc.). This is not about
multi-site clusters but about multiple individual clusters which have no direct knowledge
about each other what-so-ever.
Albeit still being in an investigate/research project phase, we are realizing already that
we will (and already do) need a system to maintain our clusters' high-level
information such as which nodes are (currently) associated with which cluster and general
meta-information for each cluster like stage (live/qa/dev), name/id, Ceph version, etc.
Seeing how we will want to connect to this service from multiple other systems
(Puppet/Ansible/etc) we are looking for a service with a sensible API.
As any such undertaking is prone to have, there are plenty of additional requirements we
have in mind such as, full encryption (in-transport, at-rest), exchangeable storage layer
(not hardwired to one DB/etc), versioned data storage (so we can query "the
past" and not just the current state) and (a possibly fine-grained) access permission
system. The entire list is quite lengthy and it probably won't help to list out each
and every item here. Suffice it to say we are looking for a "holistic multi-cluster
management" solution.
One important note is that we need to be able to run it ourselves, "as a
service" offerings are not an option for us. I suppose we are looking for an OSS
project, though it might also be several ones pieced together.
One particularly noteworthy find while searching for Ceph multi-cluster management was [1]. Unfortunately, I could not find any derivations or similar following this survey and, at
time of writing, it is the only article on ceph.io labeled "multi-cluster".
Any recommendations or pointers where to look would be appreciated!
Regards,
Thomas
[2] https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/IB25BO55LUX5ETB2BGDN3CFOKHFWJN66/
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