[Linux-cluster] gfs2 v. zfs?

[Rafa Grimán]

Hi :)

On Tuesday 25 January 2011 00:45 Wendy Cheng wrote
> On Mon, Jan 24, 2011 at 2:26 PM, Rafa Grim�n <rafagriman at gmail.com> wrote:
> > On Monday 24 January 2011 22:58 Jeff Sturm wrote
> > 
> >> > -----Original Message-----
> >> > From: linux-cluster-bounces at redhat.com
> >> 
> >> [mailto:linux-cluster-bounces at redhat.com]
> >> 
> >> > On Behalf Of Wendy Cheng
> >> > Subject: Re: [Linux-cluster] gfs2 v. zfs?
> >> > 
> >> > I would love to get an education here. From usage model point of view,
> >> > what is the
> >> > difference between a "parallel file system" and a "cluster file
> >> > system" ? i.e., when to
> >> > use a parallel file system and when to use a cluster file system ?
> >> 
> >> Getting off-topic but I'd also like to hear who uses a parallel
> >> distributed FS, and what problem space they work well in.
> > 
> > HPC where you need �very high bandwidth/throughput to disk (usually
> > scratch filesystem).
> 
> You hit the right points (and thanks for previous explanation) !
> However, from usage point of view, I think the line is blurry these
> days (e.g. IBM's GPFS is said to be a cluster filesystem but have been
> used well in HPC environment).


Yes that is true. It's a bit blurry because some file systems have features 
others have so "classifying" them is quite difficult.

   Rafa

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