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Re: [Linux-cluster] GPFS??



dear Hansjörg


This is my 1st Linux Cluster installation .My os is
RHEL AS4 and Redhat Cluster Suite 4, can you give me a
complite installation document on that so i can
install it properly.

My Hardware is  as follows:------

Server :- 2 Nos HP DL380G4
Storage:-- 1 no Hp MSA500G2


regards

Suvankar

--- Hansjörg Maurer <Hansjoerg Maurer dlr de> wrote:

> Hi
> 
> GPFS runs very well on RHEL3 and RHEL4.
> It is officially supported from IBM only on selected
> Hardware Devices.
> 
> We did a feature and performance comparison of GFS
> and GPFS as part of a
> cluster project.
> 
> It has been  published in the german computer
> magazine iX in 10/2005.
> Just a brief overview:
> 
> Our impression was, that gpfs is very scalable (up
> to 2^99 Byte even on
> Linux Kernel 2.4 compared to 16 TByte with GFS)
> and has more features than gfs 6.1  has at the
> moment.
> 
> It has cluster-wide snapshots and the possibility to
>  store data
> transparently redundant
> (like raid1) on diffent storage systems.
> It could be expanded and rebalanced online, which
> means, that data are
> restriped over
> the added storage device which improves overall IO
> performance by
> addinge devices.
> It could be extended to LAN with Multipathing...
> 
> We discoverd some gpfs issues with mmaped files and
> an undocumented
> limit in fcntl locks per file
> (problem with samba tdb files on gpfs) which could
> be increased.
> 
> GFS could be used free and the integration into RHEL
> is much better
> (with GPFS you have to compile a kernel module
> on every kernel update or gpfs update).
> It is supported by Redhat with no special hardware
> requirements.
> 
> If you need further information on GPFS you can
> contact me off list,
> because it might be off topic on a gfs list :-)
> 
> 
> Greetings
> 
> Hansjörg
> 
> 
> rturnbull schrieb:
> 
> > Hello,
> >    I sent in a question before about SAN
> connecting multiple nodes to
> > same shared disk.
> >
> >    I have been doing some reading and came across
> GPFS (Global
> > Parallel File System).  Since I have all this
> shinny new ibm hardware,
> > is this a "free" software filesystem?  Anyone
> heard of or used this
> > technology?
> >
> > Let me know.
> >
> > Ryan
> >
> > -- 
> > Linux-cluster mailing list
> > Linux-cluster redhat com
> >
>
https://www.redhat.com/mailman/listinfo/linux-cluster
> >
> 
> -- 
>
_________________________________________________________________
> 
> Dr.  Hansjoerg Maurer           | LAN- &
> System-Manager
>                                 |
> Deutsches Zentrum               | DLR
> Oberpfaffenhofen
>   f. Luft- und Raumfahrt e.V.   |
> Institut f. Robotik             |
> Postfach 1116                   | Muenchner Strasse
> 20
> 82230 Wessling                  | 82234 Wessling
> Germany                         |
>                                 |
> Tel: 08153/28-2431              | E-mail:
> Hansjoerg Maurer dlr de
> Fax: 08153/28-1134              | WWW:
> http://www.robotic.dlr.de/
>
__________________________________________________________________
> 
> 
> There are 10 types of people in this world, 
> those who understand binary and those who don't.
> 
> --
> Linux-cluster mailing list
> Linux-cluster redhat com
>
https://www.redhat.com/mailman/listinfo/linux-cluster
> 


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