US 6,982,846 B2 | ||
Tamper resistant write once recording of a data storage cartridge having rewritable media | ||
Glen Alan Jaquette, Tucson, Ariz. (US) | ||
Assigned to International Business Machines Corporation, Armonk, N.Y. (US) | ||
Filed on May 19, 2003, as Appl. No. 10/440,886. | ||
Prior Publication US 2004/0233566 A1, Nov. 25, 2004 | ||
Int. Cl. G11B 15/18 (2006.01) |
U.S. Cl. 360—69 | 9 Claims |
1. 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, said rewritable
media having a prerecorded media identifier readable by and unwritable by a data storage drive; 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 reading information from and writing information to 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 said read/write system, said control system:
causing said read/write system to read said prerecorded media identifier of said rewritable media;
causing said memory interface to write a write once flag and said read media identifier 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 said media identifier; 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 and said media identifier are provided both at said locked read-only section of said
cartridge memory retained in said cartridge shell, and at said data storage cartridge rewritable media;
wherein said prerecorded media identifier comprises an identifier specific to said loaded data storage cartridge; and
wherein said rewritable media comprises a magnetic tape having at least one prerecorded servo track and having said media
identifier encoded into said servo track.
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