Quantum Scalar i6000 User’s Guide 277Chapter 7Capacity on DemandThe library is initially licensed for a default configuration of 100 storageslots.Capacity on Demand allows you to purchase capacity for your library asneeded. As your storage needs change, you can add storage in blocks of100. Scalar i6000 licensing begins at 100 cartridges and can beincreased to as many as 7,146 LTO cartridges (for a single-robot library)or 7,224 LTO cartridges (for a dual-robot library).Note: Maximum numbers assume only one drive and one 24-slot I/Estation in the control module.To gain the use of additional storage slots, you must purchase aCapacity on Demand license for the desired number of slots.The library also accommodates the use of unlicensed slots in thefollowing circumstances:• Your library ships with enough modules to meet your Capacity onDemand needs. If you require additional physical capacity to bephysically prepared for non-disruptive future expansion, you canorder one or more Unlicensed Expansion Modules.• You can also use Unlicensed Expansion Modules to accommodatethe Active Vault and Extended Data Lifecycle Management (EDLM)features, which do not require the use of licensed slots.