cluster FS?

[Mehmet Erol Sanliturk]

On Tue, Sep 30, 2014 at 9:14 PM, Allan Jude <allanjude at freebsd.org> wrote:

> On 2014-09-30 04:45, Anton Shterenlikht wrote:
> > Hello
> >
> > Not sure if this is the right list...
> > I wanted to ask about a cluster file system.
> > Is there something like this on FreeBSD?
> >
> > It seems to me (just from reading the handbook)
> > that none of NFS, HAST or iSCSI provide this.
> >
> > My specific needs are as follows.
> > I have multiple nodes and a disk array.
> > Each node is connected by fibre to the disk array.
> > I want to have each node read/write access
> > to all disks on disk array.
> > So that if any node fails, the
> > data is still accessible
> > via the remaining nodes.
> >
> > I want to have all nodes equal, i.e. no master/slave
> > or server/client model. Also, the disk array
> > provides adequate RAID already, so that is not
> > needed either.
> >
> > In the archives I see that the demands for
> > a cluster FS support on FreeBSD have been expressed
> > periodically over a very long time, but seems
> > there's never been any resolution.
> > Some people mention GFS, but I've no idea
> > if this what I'm trying to describe.
> >
> > So is what I'm describing a cluster FS at all?
> > Is there something like this on FreeBSD already?
> > Is there someting in ports that can be used
> > to achive this?
> >
> > Thanks
> >
> > Anton
> >
> > _______________________________________________
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> > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
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> >
>
> What you are describing doesn't really seem to be a 'cluster' FS.
>
> In a cluster, the disks would reside in multiple machines, and the 'file
> system' would withstand any one of those machines going down. That is
> quite a bit different than just wanting a bunch of clients to have
> concurrent access to a single disk array.
>
> If you explain your use-case in more detail, we may be able to guide you
> in the right direction.
>
> --
> Allan Jude
>
>

The following pages and their associated pages may be useful for
definitions of terms and available capabilities :

http://en.wikipedia.org/wiki/Parallel_Virtual_Machine
http://en.wikipedia.org/wiki/Linda_%28coordination_language%29

http://en.wikipedia.org/wiki/Category:Parallel_computing
http://en.wikipedia.org/wiki/Category:Concurrent_computing
http://en.wikipedia.org/wiki/Category:Distributed_computing


http://en.wikipedia.org/wiki/Network-attached_storage
http://en.wikipedia.org/wiki/Clustered_file_system
http://en.wikipedia.org/wiki/Category:Shared_disk_file_systems
http://en.wikipedia.org/wiki/Category:Network_file_systems


http://en.wikipedia.org/wiki/Ceph_%28software%29
http://en.wikipedia.org/wiki/XtreemFS



The above problem seems to be "Network-attached_storage" .


Thank you very much .


Mehmet Erol Sanliturk