Introduction to NonStop Operations Management

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Introduction to NonStop Operations Management–125507
B-7
Change and Configuration Management
Change and Configuration Management
1. Obtain management commitment to developing policies and procedures, training
staff in the policies and procedures, and enforcing policies and procedures.
2. Determine your staffing needs.
3. Anticipate and plan for change by:
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Evaluating system performance and growth to accommodate change.
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Providing adequate computer room resources to allow for growth and avoid
unnecessary down time.
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Configuring your system with change in mind. If you plan ahead for capacity
growth, you can preconfigure additional resources into the system according to
your plans.
4. To reduce the outage required for the change, determine if the change can be
performed while the system is still running.
5. If the system must be shut down, minimize the outage by reducing system and
application startup and shutdown times and writing efficient command files.
6. Develop change control procedures for installing and implementing change.
Changes are usually handled in four phases. The change control staff:
a. Defines and documents the change
b. Plans for the change
c. Installs the change
d. Makes sure that the system is running correctly and improves the
change control process
7. Determine which tools to use. Tandem offers these tools:
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Distributed Name Service (DNS)
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Distributed Systems Management/Software Configuration Manager
(DSM/SCM)
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NonStop SQL/MP SQLCI
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NonStop TM/MP interfaces (TMFCOM and TMSERVE)
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NonStop TS/MP PATHCOM interface
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Subsystem Control Facility (SCF)
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Tandem Service Management (TSM)