Is there any best practises for FAST VP?

The recommendations are:

• Policy: 100% across all technologies – 100%, 100%, 100% for a self managing black box solution.
• Operation mode: automatic
• Workload analysis period: 7 days 168 hours or 4 weeks.
• Initial analysis period: at least 24 hours, best practice is the default of 168 hours.
• Performance time windows: 24 hours.
• Pool reserved capacity: Based on the lowest allocation warning level for that thin pool. For pools with bound devices 10-15% and pools with no bound thin devices set PRC to 1%.