Primary storage media with associated secondary storage media for efficient data management

A computer program product for storing data on a tape cartridge, the computer program product comprising:

• a computer readable medium having computer readable program code embodied therewith, the computer readable program code comprising:
• computer readable program code configured to write a plurality of files to a magnetic recording tape of a tape cartridge;
• and
• computer readable program code configured to write an index to a nonvolatile memory of the tape cartridge, the index including information about locations of data of the plurality of files on the magnetic recording tape.

A system for storing data on a tape cartridge having a magnetic recording tape and a non-tape nonvolatile memory, the system comprising:

• a head for writing a plurality of files to a magnetic recording tape of a tape cartridge;
• a communication device for writing an index to a non-tape nonvolatile memory of the tape cartridge, the index including information about locations of data of the plurality of files on the magnetic recording tape;
• and
• a controller for controlling the writing of the files and the index.