HP Integrity NonStop H-Series - Manual (Page 45)

Work Environments
Work environments include these:
Small Work Environments
In small work environments—those where NonStop Software Essentials manages only one or two
systems—one person can perform the tasks of the planner, database administrator, and operator.
If the planner has time constraints, or if preferable, a separate person can assume the duties of
the operator.
Large Work Environments
In large work environments—those where NonStop Software Essentials manages more than two
systems —several people might need to assume the different NonStop software management roles.
The nature of these assignments can vary depending on the situation. Generally each host system
should have one planner and one database administrator. The number of operators can depend
on several factors, including available personnel, time constraints, and whether systems are remote
or local.
Large Sites With Networked Systems
In a work environment where NonStop Software Essentials manages multiple systems in the same
location, you ideally assign roles to separate people. Performing upgrades can be time-consuming
for one person to maintain too many systems at once. You might not need NonStop Software
Essentials for weeks at a time, depending on your upgrade schedule.
• Planners
You should need only one planner to plan and oversee the configuration of all systems under
a host system. This eliminates any potential confusion of having multiple planners carrying out
tasks on the same systems. However, you can configure multiple planners if multiple host
systems exist in a single work environment. Each planner can independently maintain different
NonStop systems.
• Database administrators
The database administrator should be a separate individual from the planner. The planner
can still oversee the maintenance of security, databases, and the archive that the database
administrator carries out, but without expending time on the actual duties. You probably need
only one database administrator to cover all systems in a large networked site. However, you
can configure multiple database administrators if the site has multiple host systems.
• Operators
The number of operators depends on the personnel you have available. With a large number
of systems, you probably need several operators to carry out updates in a timely manner. If
you have separate systems for development and production, it is advantageous to have
separate operators for each. If you have a large number of development systems and a large
number of production systems, you can configure several operators for each. For example, if
you have six production systems and six development systems, you can configure two
production operators and two development operators.
Large Sites With Remote Systems
As at large sites with network-connected systems, having one planner helps maintain an overall
picture of the configuration planning for the entire work environment, and having one database
administrator is efficient.
You can configure a separate operator for each remote system or have an operator travel to each
remote site as needed. If you have multiple remote systems at a remote site, you could have either
one operator for each system or one for all systems at that site.
Guidelines for Assigning Security Settings 45