[HPADM] Disaster Tolerant Clusters with ServiceGuard

From: Stocker, Nick (Nick.Stocker_at_logicacmg.com)
Date: 03/01/05

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    To: "HPadmin (E-mail)" <hpux-admin@dutchworks.nl>
    Date: Tue, 1 Mar 2005 17:12:55 -0000 
    
    
    

    I have read there are three types of Cluster you can have in ServiceGuard:-
     
    1. Extended Distance Clusters
    2. Metropolitan Clusters
    3. Continental Clusters
     
    Does anyone know what (maximum) distances they are configurable over?
     
    For example, I am looking at setting up a cluster with two nodes 3 miles
    apart and I am wondering if :
     
        a) I can use standard ServiceGuard or does it have to be an advanced
    version
        b) which of the above types of cluster I would have to (or be able to)
    use.
     
    The document I have read (designing disaster tolerant clusters B7660-90016)
    doesn't seem to tell you about specific distances. Not that I can see anyway
    in the 450+ page document!!
     
    Thanks very much,
    Nick Stocker - LogicaCMG.

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