HP XP7 Continuous Access Journal for Mainframe Systems User Guide (TK911-96001)

3. With a base bandwidth value established, make adjustments for growth and a safety factor.
• Projected growth rate accounts for the increase expected in write-workload over a 1, 2,
or 3 year period.
• A safety factor adds extra bandwidth for unusually high spikes that did not occur during
write-workload measurement but could.
42 Planning the data path