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

[Mag Gam]

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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