[Lustre-discuss] Lustre compared to Gluster (Mag Gam)

[Jordan Mendler]

I certainly second the notion of lustre SNS just not sure its going to
happen any time soon. For us it would allow lustre to serve as a
production file store instead of just a fast scratch space.

Jordan

On 7/18/09, Mag Gam <magawake at gmail.com> wrote:
> I was first interested in the simplicity and redundancy but it seems
> the product needs to be more mature like Lustre.  Can't wait until
> Lustre's SNS ;-)
>
>
>
> On Fri, Jul 17, 2009 at 12:41 PM, Jordan Mendler<jmendler at ucla.edu> wrote:
>>> We have been hearing a lot of news recently about "Gluster". Does
>>> anyone know how it compares to Lustre? Can it do the same things as
>>> Lustre? It seems it has built in SNS. Anyone know?
>>
>> We have tried Gluster on several occasions and it was always buggy at
>> scale.
>> Initially we had about 60TB of medium sized files in a test environment
>> with
>> about 20 clients, and Gluster flipped out when a node would reboot. Since
>> there is no Metadata server, it appeared to hang on reindexing everything
>> on
>> each node on start up. Also lots of weird hangs and things like taking 5
>> minutes to return an ls. No where near as stable as Lustre, which more or
>> less just works, with a smaller number of weird issues.
>>
>> The Gluster company also gave us a lot of mixed signals. They called us
>> once
>> to offer us free support in helping up set up a reevaluation of GlusterFS.
>> We spoke to the CEO's and agreed. After spending several hours setting it
>> up
>> ourselves, they then avoided our support questions saying priority goes to
>> paying customers. Ultimately they attempted to help us, but with little
>> success.
>>
>> They present a nice roadmap and the concept of minimizing complexity is
>> promising for things like backup systems. Unfortunately they are nowhere
>> near ready. Hopefully they can stabilize their product in the future
>> because
>> it would be a good addition to the open-source community.
>>
>> Jordan
>>
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>>
>>
>

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