More about Mount Request

Genarally A mount request come due to

1. Pre allocated /auto allocated media is not available
2. there is no media

A good Help provided in HP DP below chat explains how DP selects (Free Pool Concept)

Media selection factors

Allocation Policy	Allocate Unformatted Media First	Data Protector Selection Order
Loose	OFF	Preallocation list (if specified) Appendable (as set in usage policy) Unprotected Data Protector Media Unformatted Media Fair Media
Loose	ON	Preallocation list (if specified) Appendable (as set in usage policy) Unformatted Media Unprotected Data Protector Media Fair Media
Strict	Not applicable	Preallocation list (if specified) Appendable (as set in usage policy) Unprotected Data Protector Media Fair Media