[Lustre-discuss] GlusterFS compared to Lustre

[Jordan Mendler]

Not to continue an off-topic thread, but how big was your Gluster
deployment? I am curious because we found it unusable with ~50TB and 5-10
million files (even though our goal was several hundred).

Jordan


> Hi all,
>
> Regarding to the comparsion of Lustre with GlusterFS, i have the
> fallowing together with the attached file.
>
> I used this in a presentation at
> http://www.beliefproject.org/events/4th-belief-international-symposium
>
> It can be a start of comparsion. GlusterFS has a lower performance,
> but we can make a RAID 10 though the network, in the case that the
> glusterfs equivalent of OST are DAS( ie, internal disk, not a SAN
> lun). Also,  apparently, there is no deadlock when the glusterfs node
> is simultaneously configured to be  client and server.
>
> In my experince, the integration between most recent kernels with
> glusterfs and patches of Xen hypervisor works well. The same with
> Lustre is harder to do.
>
> Although, there is issues when trying to boot up a virtual machine
> image stored in glusterfs mount point.
>
> Also glusterfs has lower performance when overwriting files when
> compared with the write process.
>
> Apparently glusterfs does not stripe files between nodes and
> apparently there is a single file limit size asspciated to the space
> available in the gluster equivalent to OST.
>
> I am waiting for version 2 of Lustre.
>
> Best Regards.
> --
> Ettore Enrico Delfino Ligorio
> ettoredelfinoligorio at gmail.com
> 55-11-9145-6151
>
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