Data storage apparatus and method

Details Data storage apparatus and method Data storage apparatus and method

1990-02-26

1992-01-14

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

G11B 1518, G11B 1700, G11B 1202

Patent

active

050815482

ABSTRACT:
Data storage apparatus is known in which data is stored on a tape medium in at least two different longitudinally spaced sections (Partitions I and 0) with data recordal in each section being effected in accordance with a predetermined format. This format will generally be of the type in which tape-usage information is recorded in a system log (82) located upstream of the main data area (37). It is also known to record tape usage information relating to each tape section (Partition 1,0) in the system log (82) of that section. The present apparatus provides not only for the recording of usage information from which section-specific information can be derived, but also for the recording of aggregated tape usage information. This latter information is stored in the system log (82) of the first tape section (Partition 1) so as to be readily accessible upon tape loading.

REFERENCES:
patent: 4837640 (1989-06-01), Ozaki

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