SN#10258 VERITAS Global Cluster Manager: Technical Overview

SN#10258 VERITAS Global Cluster Manager: Technical Overview

Post by John J. McLaughli » Wed, 02 Jul 2003 23:01:25



SYSTEM NEWS FOR SUN USERS
Vol 64 Issue 4 2003-06-23  Article 10258 from section "VERITAS"

     Two Options Provide Web-based Management and Disaster Recovery

        The 15-page white paper on VERITAS Global Cluster Manager (GCM) explains
        that GCM extends the capability of VERITAS Cluster Server (VCS) to a
        global scope. GCM is the glue that binds the local high availability
        capabilities of VCS and various types of replication together to provide
        a seamlessly integrated disaster recovery (DR) solution.

        GCM provides the functionality of both a Web-based management tool and a
        disaster recovery tool. As a management tool, GCM enables the management
        of multiple VCS clusters (regardless of the operating system platform)
        from a single console. As a disaster recovery tool, it enables
        replication management in conjunction with application failover
        necessary to support cluster or site-level failover.

        The GCM Base Product provides for heterogeneous operating system cluster
        management capability, offering a single point of access, via a
        Web-based GUI or CLI, for monitoring and administering VCS clusters
        throughout an enterprise. GCM can manage VCS clusters of all major open
        systems operating systems: AIX, HP-UX, Linux, the Solaris[TM] Operating
        System (Solaris OS) and Windows.

        The second product configuration, the GCM DR Option, enables migration
        of single applications, multiple clusters or complete datacenters from
        one location to another regardless of distance between sites. GCM DR
        Option manages application failover in conjunction with replication,
        using both host-based replication and array-based hardware solutions.

        GCM components run as a VCS service group, enabling them to be onlined,
        offlined and switched through GCM commands from an administrator at a
        remote site. A site, the largest component of GCM, is a GCM logical
        construct that describes a collection of VCS clusters. A site could be
        as small as a single-node VCS cluster, or it could encompass up to
        sixty-four 32-node VCS clusters.

        Each GCM site contains a Site Master operating within one of the
        clusters of the respective site. The master daemon process runs as part
        of the service group, which allows automatic local failover to any node
        operating within the designated cluster. Site status is determined by
        the monitoring of Im Alive heartbeat signals between sites. If a
        connection link between site masters is lost, the process will
        automatically try to reestablish a connection and repeat the attempts
        until either a connection is made or re-try limits are hit.

        Further details are available at:

        http://eval.veritas.com/downloads/pro//gcm/gcm_wp_tech_overview.pdf

Details at http://sun.systemnews.com/64/4/VERITAS/index.shtml#10258

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1. SN#8938 Extending Availability with VERITAS Global Cluster Manager[TM]

SYSTEM NEWS FOR SUN USERS
Vol 60 Issue 1 2003-02-03  Article 8938 from section "VERITAS"

     VERITAS Global Cluster Manager[TM] extends the capability of VERITAS
     Cluster Server[TM] to a global scope. Global Cluster Manager provides a
     seamlessly integrated disaster recovery solution by binding the local
     high-availability capabilities of VERITAS Cluster Server with various types
     of replication.

     Global Cluster Manager provides the functionality of both a Web-based
     management tool and a disaster recovery tool. These separate but
     complementary functions of the product can be licensed separately or as an
     integrated bundle.

     As a management tool, Global Cluster Manager enables the management of
     multiple VERITAS Cluster Server clusters (regardless of the operating
     system platform) from a single console. As a disaster recovery tool, it
     enables replication management in conjunction with application failover
     necessary to support cluster or site-level failover. Wide-area failover of
     database and application access is achieved by clicking a single button
     within the graphical user interface. This helps ensure that computing
     services for clients are maintained in the face of disasters.

Details at http://sun.systemnews.com/60/1/VERITAS/index.shtml#8938

Have a custom version of 'System News for Sun Users' delivered to you
via email each week in PDF, text or HTML.  Only the sections that you
select will be included in your copy of the news magazine.  Subscribe at
http://sun.systemnews.com/subscribe
(c) 2003 System News, Inc.   http://www.systemnews.com

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