Open Stack

Hi,

Using Ceph here as well. It installs easily, works nicely, integrates with OpenStack modules (Glance, Cinder, Swift) as well.

Cheers,
NM

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Nick Maslov
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On November 28, 2013 at 6:43:12 PM, Razique Mahroua (razique.mahroua at gmail.com) wrote:

Hi :)
We discussed a lot about that. First and direct answer: you won't find "the best".

It all boils down to:
1. What you are intend to do
2. What is your current hardware
3. What kind of load you at least expect.

Here is a first thread:
http://www.gossamer-threads.com/lists/openstack/dev/24231

and another interesting one:
http://www.gossamer-threads.com/lists/openstack/dev/24231

in a nutshell, I myself tested many clustered or shared FS, and they all have their pros and cons.

In my top list, I ended up having:
- MooseFS
- Ceph (but not CephFS)
- ISCSI

only because they happened to work well with my environments, they "did the job"

Let us know if you have any specific questions regarding these technologies

Razique
On 28 Nov 2013, at 0:44, Alvise Dorigo wrote:

Hello,
I'm setting up an openstack-based cloud IaaS. Everything is going to be in HA mode.
In particular I'm wondering which would be the best choice for the backend FS to support the storage for glance and nova (i.e. /var/lib/glance/images and /var/lib/nova/instances).

I've read around; there's a number of FS and a lot discussions. The most cited and used seem to be (not only for cloud IaaS):
GlusterFS
LustreFS
CEPH
GPFS
MooseFS
FhGFS
CODA
NFS
AFS

My requirements are:
- extendability (new disk array transparently added without any outage)
- high performance on big files (glance and nova usually manage big files)
- POSIX / mount as a normal filesystem with unique naming space
- easy to install/manage (and supported on RHEL 6.x)

Any advice or report on your experience would be very appreciated.

Regards,

Alvise_______________________________________________

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