[Linux-cluster] urgenet question about shared-root + GFS

[Daniel EPEE LEA]

Hi Mark,

Thanks for your prompt reply, I went to your website already, almost all is
in german.
>From the slides I can see that shared-root can do the job for me. Next week
will be good, but I have few time left for my project., but This weekend is
already dead line for me.

Thanks for your help

Daniel

On 1/24/06, Mark Hlawatschek <hlawatschek at atix.de> wrote:
>
> Hi Daniel,
>
> we are going to provide the HowTo and the required software to build up a
> GFS
> shared root cluster within the next week. You will find everything you
> need
> at http://www.open-sharedroot.org
> The main part of the process is to build an initrd that mounts the shared
> root. This is quite a complex thing to do. Therefore, we developed some
> scripts to do the job. Keep looking at the website ...
> Yes, you can use RHEL4 Update2 with open-sharedroot.
>
> Regards,
> Mark
>
> On Tuesday 24 January 2006 15:06, Daniel EPEE LEA wrote:
> > Hi,
> >
> > I have installed node 1 and node 2 with seperate root partitions, i mean
> > each node has it's own root partition ( /boot /usr /home /var /tmp).
> Nodes
> > are RAID 1+ 0.
> >
> > How do I setup my shared SAN storage to implement a shared GFS root for
> my
> > cluster nodes ?
> >
> > My goal is to achieve ACTIVE/ACTIVE GFS cluster. Does open-sharedroot
> > support RHEL ES v4 Update 2 ( kernel 2.6.9-22.ELsmp #1 SMP ). If not how
> do
> > I setup the sym links for both nodes to share / partitions ?
> >
> > Thanks for your help,
> >
> > Much regards,
> >
> > Daniel
> >
> > On 1/4/06, Mark Hlawatschek <hlawatschek at atix.de> wrote:
> > > Hi Sara,
> > >
> > > > we are planning to service 200000 customers for
> > > > internet services such as webhosting,email,DNS.We have
> > > > designed about 8 servers for each service to run a
> > > > share of the load.I want to use Clustersuit as well as
> > > > GFS as we are making use of SAN.
> > >
> > > Very good. We've built some solutions for internet services based on a
> > > GFS storage cluster with great success. We also created a diskless
> shared
> > > root cluster environment (cluster boots from SAN and shares the same
> root
> > > partition) for enhanced management and scalability. We determined that
> > > using
> > > a shared root cluster extremely reduces the effort for system
> > > administration.
> > > Besides, the scalability of the cluster and replacement of cluster
> nodes
> > > can
> > > be done within minimum timeframe and minimum installation work. As you
> > > want
> > > to create a cluster with 8 nodes and more, you should also think about
> > > that.
> > > We are in progress of releasing the shared root software at source
> forge
> > > site.
> > > The project's name will be open-sharedroot.
> > >
> > > > As I have studied mannuals of clustersuit , it seems
> > > > that there is only one service up in each
> > > > clustersystems , my question is we this high number of
> > > > users How can I rely just on one servers , I know that
> > > > another server in failoverdomain comesup incase of
> > > > first server failure , but what about load balancing?
> > > > how can I have all of me servers running in my
> > > > clustersystems ?
> > > > I have studied about pirnaha for IP load balancing but
> > > > it seems that I can not use GFS with Pirnaha?
> > > > I appreciate If any one could help me reagrding this
> > > > issue?
> > >
> > > As this topic has been already discussed, he're just a short sum-up:
> > > - You need an IP load-balancer in front of your cluster. You can use a
> > > hardware solution or a software solution like Piranha or other
> packages
> > > using
> > > LVS to implement this. To achieve highest availability you shoud
> create
> > > at least an active/passive HA cluster. The nicest solution would be an
> > > active/active loadbalancing.
> > > - To host the services you need to create the GFS storage cluster
> (also
> > > think
> > > about using shared root). Depending on the type of service, the
> > > applications
> > > are running in parallel on each cluster node (e.g. apache, tomcat,
> php),
> > > or
> > > are integrated into a failover configuration (e.g. mySQL).
> > >
> > > Best Regards,
> > > Mark
> > > --
> > > Gruss / Regards,
> > >
> > > Dipl.-Ing. Mark Hlawatschek
> > > Phone: +49-89 121 409-55
> > > http://www.atix.de/
> > >
> > > **
> > > ATIX - Ges. fuer Informationstechnologie und Consulting mbH
> > > Einsteinstr. 10 - 85716 Unterschleissheim - Germany
> > >
> > > --
> > > Linux-cluster mailing list
> > > Linux-cluster at redhat.com
> > > https://www.redhat.com/mailman/listinfo/linux-cluster
>
> --
> Gruss / Regards,
>
> Dipl.-Ing. Mark Hlawatschek
> Phone: +49-89 121 409-55
> http://www.atix.de/
>
> **
> ATIX - Ges. fuer Informationstechnologie und Consulting mbH
> Einsteinstr. 10 - 85716 Unterschleissheim - Germany
>
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cluster
>
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