Disk control method of format write operation using data distanc

Details Disk control method of format write operation using data distanc Disk control method of format write operation using data distanc

1992-04-06

1994-05-24

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Address coding

360 60, G11B 509, G11B 1504

Patent

active

053154479

ABSTRACT:
A magnetic disc storage system, in which operation for erasing information otherwise left to remain in succession to data records on a rotatable storage medium during a remaining period of one rotation of the medium is omitted. In response to a command commanding access to the stored data, a table containing the lengths of the stored data is referred to. When it is detected that a record having a storage location commanded to be accessed exceeds the associated stored length of the recorded data, a command error is messaged to a controller of the rotatable storage medium in place of executing the access.

REFERENCES:
patent: 3801969 (1974-04-01), Sordello et al.
patent: 4126887 (1978-11-01), Miyazaki et al.
patent: 4814904 (1989-03-01), Shigihara et al.
patent: 4939598 (1990-07-01), Kulakowski et al.

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