[Beowulf] Suggestions to what DFS to use

[John Hanks]

We've had pretty good luck with BeeGFS lately running on SuperMicro vanilla
hardware with ZFS as the underlying filesystem. It works pretty well for
the cheap end of the hardware spectrum and BeeGFS is free and pretty
amazing. It has held up to abuse under a very mixed and heavy workload and
we can stream large sequential data into it fast enough to saturate a QDR
IB link, all without any in depth tuning. While we don't have redundancy
(other than raidz3), BeeGFS can be set up with some redundancy between
metadata servers and mirroring between storage.
http://www.beegfs.com/content/

jbh

On Mon, Feb 13, 2017 at 7:40 PM Alex Chekholko <alex.chekholko at gmail.com>
wrote:

> If you have a preference for Free Software, GlusterFS would work, unless
> you have many millions of small files. It would also depend on your
> available hardware, as there is not a 1-to-1 correspondence between a
> typical GPFS setup and a typical GlusterFS setup. But at least it is free
> and easy to try out. The mailing list is active, the software is now mature
> ( I last used GlusterFS a few years ago) and you can buy support from Red
> Hat if you like.
>
> Take a look at the RH whitepapers about typical GlusterFS architecture.
>
> CephFS, on the other hand, is not yet mature enough, IMHO.
> On Mon, Feb 13, 2017 at 8:31 AM Justin Y. Shi <shi at temple.edu> wrote:
>
> Maybe you would consider Scality (http://www.scality.com/) for your
> growth concerns. If you need speed, DDN is faster in rapid data ingestion
> and for extreme HPC data needs.
>
> Justin
>
> On Mon, Feb 13, 2017 at 4:32 AM, Tony Brian Albers <tba at kb.dk> wrote:
>
> On 2017-02-13 09:36, Benson Muite wrote:
> > Hi,
> >
> > Do you have any performance requirements?
> >
> > Benson
> >
> > On 02/13/2017 09:55 AM, Tony Brian Albers wrote:
> >> Hi guys,
> >>
> >> So, we're running a small(as in a small number of nodes(10), not
> >> storage(170TB)) hadoop cluster here. Right now we're on IBM Spectrum
> >> Scale(GPFS) which works fine and has POSIX support. On top of GPFS we
> >> have a GPFS transparency connector so that HDFS uses GPFS.
> >>
> >> Now, if I'd like to replace GPFS with something else, what should I use?
> >> It needs to be a fault-tolerant DFS, with POSIX support(so that users
> >> can move data to and from it with standard tools).
> >>
> >> I've looked at MooseFS which seems to be able to do the trick, but are
> >> there any others that might do?
> >>
> >> TIA
> >>
> >
>
> Well, we're not going to be doing a huge amount of I/O. So performance
> requirements are not high. But ingest needs to be really fast, we're
> talking tens of terabytes here.
>
> /tony
>
> --
> Best regards,
>
> Tony Albers
> Systems administrator, IT-development
> Royal Danish Library, Victor Albecks Vej 1, 8000 Aarhus C, Denmark.
> Tel: +45 2566 2383 / +45 8946 2316
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