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Sizing, Considerations, and Recommendations 75
System Requirements for Production:
Explanations of Some of the Above Questions:
Conference Room Pilot Requirements:
Customers often start with a conference room pilot for functional testing.
Sometimes this system becomes the production system but not always.
Additional Information: We would like to know your plans for the start of
production since future hardware enhancements may be recommended if
appropriate.
System Characteristics
• Batch jobs such as reports, MRP runs, general ledger updates, EDI, need to
be considered if run during peak online time.
• Disk mirroring typically provides high availability on the disk in a UNIX or
Windows NT environment. This should be considered for the production
environment.
• High availability on the CPU can be attained by using IBM’s HACMP
product on the UNIX platform, MIMIX (from Lakeview Corp.) or OMS (from
Vision Solutions) on the AS/400, or MSCS on the Netfinity. In all cases, a
second system is required for implementation.
Batch processing during online time (%)
Disk Mirroring or RAID 5 required? Mirroring / RAID 5
High availability configuration required, such as:
HACMP, MIMIX, OMS, or MSCS?
HACMP / MIMIX / OMS
MSCS
If yes, percentage of total workload that needs to
run in failover mode?
Backup Media Required (4mm/8mm/3590/3570/DLT)
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