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Re: [Linux-cluster] gfs2 v. zfs?



On Mon, Jan 24, 2011 at 2:26 PM, Rafa Grimán <rafagriman gmail com> wrote:
> On Monday 24 January 2011 22:58 Jeff Sturm wrote
>> > -----Original Message-----
>> > From: linux-cluster-bounces redhat com
>>
>> [mailto:linux-cluster-bounces 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).

BTW, I never understand why top-post is evil ? Isn't it making some
emails hard to read ?

-- Wendy


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