HP 20-Feb manual Number Advantages and Disadvantages Mailslots, Magazine Access on

Table 13	Mailslot Configuration
	Number of	Advantages and Disadvantages
	Mailslots
	0 slots	Magazine access must be used to exchange tapes (see
		Magazine Access on page 81).
		■ Advantage: Allows all slots to be used for data storage.
		■ Disadvantage: Cannot easily remove or add tapes
		without an inventory check.
	1 slot	A mailslot setting of 1 (one) allows one slot to be
		designated as the mailslot.
		■ Advantage: Opens only to the designated slot, which
		simplifies the manual tape exchange procedure.
		■ Disadvantages: Reduces the library’s storage capacity
		by one tape. Also requires more time to import and
		export multiple tapes.
	1 magazine	A mailslot setting of 1 magazine designates an entire
		magazine as the mailslot.
		■ Advantage: Provides access to a magazine of tapes,
		which simplifies the manual tape exchange procedure.
		■ Disadvantage: Reduces the library’s storage capacity
		by one magazine.
	2 magazines	A mailslot setting of 2 magazines designates an entire
		drawer as the mailslot.
		■ Advantage: Provides access to two magazines of tapes,
		which simplifies the manual tape exchange procedure.
		Also, if you have more than one drive technology in
		your library, each magazine could be for a different
		tape type.
		■ Disadvantage: Reduces the library’s storage capacity
		by 2 magazines.

94 Configuring the Library Chapter 3