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R: Re: [Linux-cluster] Cluster node not able to access allcluster resource



 

> -----Messaggio originale-----
> Da: linux-cluster-bounces redhat com 
> [mailto:linux-cluster-bounces redhat com] Per conto di Deval 
> kulshrestha
> Inviato: giovedì 13 aprile 2006 11.50
> A: 'linux clustering'
> Oggetto: RE: *SPAM* Re: [Linux-cluster] Cluster node not able 
> to access allcluster resource
> 
> Hi
> if you are using fibre based storage solution , you can 
> configure either zoning on switch level or Lun Masking at 
> HBA-> logical Volume level. That can restrict the access path 
> for nodes. It's a kind of LUN access security mechanism.
> 
> Regards,
> Deval K.

Unfortunately this approach was already tested and cannot be followed: If the service was owned by a node who is not allowed to access the GFS filesystem, an error occurs.

Leandro

> 
> -----Original Message-----
> From: linux-cluster-bounces redhat com
> [mailto:linux-cluster-bounces redhat com] On Behalf Of Lon Hohberger
> Sent: Thursday, April 13, 2006 3:43 AM
> To: linux clustering
> Subject: *SPAM* Re: [Linux-cluster] Cluster node not able to 
> access all cluster resource
> 
> On Sat, 2006-04-08 at 19:05 +0200, Leandro Dardini wrote:
> > The topic is not a problem, but what I want to do. I have a lots of 
> > service, each on is now run by a two node cluster. This is very bad 
> > due to each node fencing other one during network blackout. 
> I'd like 
> > to create only one cluster, but each resource, either GFS 
> filesystems, 
> > must be readable only by a limited number of nodes.
> > 
> > For example, taking a Cluster "test" made of node A, node 
> B, node C, 
> > node D and with the following resources: GFS Filesystem 
> alpha and GFS 
> > Filesystem beta. I want that only node A and node B can access GFS 
> > Filesystem alpha and only node C and node D can access GFS 
> Filesystem 
> > beta.
> > 
> > Is it possible?
> 
> You can just mount alpha on {A B} and beta on {C D}, but I 
> don't think there is an easy way to forcefully prevent 
> mounting alpha on {C D} currently; someone else might know better.
> 
> -- Lon
> 
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