Hello,
I have an installation of OpenNebula 3.0 with Xen Hypervisor and a
storage with MooseFS.
The OpenNebula server is also the MooseFS master server; obviously we
have a second OpenNebula/MooseFS slave server configured with uCarp for HA.
At the moment we have 3 storage nodes, every server is equiped with 2x
2TB SATA disks for a total of 11 TB disk space; we use a replica factor
of 2.
On OpenNebula side, we use shared storage driver; the VM disks are plain
files, Xen driver is "file:"
In past we used OpenNebula 2.2 with MooseFS driver for immediate
deployment via snapshot, but the driver wasn't updated to OpenNebula 3.0.
We are very happy with MooseFS: it's very easy and robust. The only
consideration is on disk side: SATA is a little slow expecially in write
operation, then we use a lot of RAM on each storage server (8 GB) to
cache data.
If you want, on my personal blog (http://www.azns.it) there are many
configuration examples of OpenNebula/MooseFS/uCarp. Sorry they are in
italian
Bye,
Alberto
On 08/02/2012 14:18, João Pagaime wrote:
Hello all,
We're looking into the possibility of using a distributed FS, like
glusterfs or similar solution for the image repository
Can anyone share his experiences on this topic? any hints would be
nice... Existing specific documentation? REcommendend configurations?
Tested configurations? Things to watch out for? Things particular to
open-nebula? Problems? Stability (is it maintainable without a general
shutdown)? Effort/learning curve ("large", "small", hours, days,
weeks)? Any other information?
Thanks any way, best regards,
João
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