Cartridge and volume identifiers are used to label each cartridge so they can be tracked and located in the tape library.
Every cartridge and volume ID can contain the characters A through Z, 0 through 9, $, @, #. Only the first 6 characters are recognized by i5/OS™; therefore, the uniqueness of the cartridge identifier must be within the first 6 characters of the name. The first 6 characters of the cartridge identifier must match the volume identifier for the tape.
Special generated cartridge identifiers exist for the tape libraries that do not have a bar code reader, that are missing the bar code label, or when the bar code reader cannot read the label. These identifiers are as follows: