Patent ID: 7193803

Claim:
A cartridge handling system for initializing a data storage cartridge for tamper resistant write once recording, said data cartridge loaded at said cartridge handling system, said data storage cartridge having a rewritable media; a cartridge memory, said cartridge memory having a section lockable to read-only; and a cartridge shell, said cartridge memory retained in said cartridge shell; said cartridge handling system comprising: a memory interface for writing information to and reading information from said cartridge memory of said data storage cartridge loaded at said cartridge handling system; a read/write system for writing information to and reading information from said rewritable media of said data storage cartridge loaded at said cartridge handling system; and a control system for communicating with said memory interface and to said read/write system, said control system: causing said memory interface to write a write once flag to said cartridge memory in said lockable section; causing said memory interface to lock to read-only, said lockable section of said cartridge memory having at least said write once flag; and causing said read/write system to write at least a write once flag to a required data set of said rewritable media of said cartridge, whereby said write once flags are provided both at said locked read-only section of said cartridge memory retained in said cartridge shell, and at said required data set of said data storage cartridge rewritable media.