Date: Tue, 30 Sep 2014 21:44:56 -0400 From: Mehmet Erol Sanliturk <m.e.sanliturk@gmail.com> To: Allan Jude <allanjude@freebsd.org> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: cluster FS? Message-ID: <CAOgwaMsAj5%2BoiUZEUtuc8uLHtyOm8oVdv0TUYbATm1bqdhHbWQ@mail.gmail.com> In-Reply-To: <542B557F.4050603@freebsd.org> References: <201409300845.s8U8jUTa079241@mech-as221.men.bris.ac.uk> <542B557F.4050603@freebsd.org>
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On Tue, Sep 30, 2014 at 9:14 PM, Allan Jude <allanjude@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 > > > > _______________________________________________ > > freebsd-hackers@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > > To unsubscribe, send any mail to " > freebsd-hackers-unsubscribe@freebsd.org" > > > > 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
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