Non-volatile memory storage of write operation indentifier in da

Details Non-volatile memory storage of write operation indentifier in da Non-volatile memory storage of write operation indentifier in da

1994-04-06

1995-12-12

Beausoliel, Jr., Robert W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

365228, 395481, G06F 1100, H03M 1300

Patent

active

054756979

ABSTRACT:
A method and apparatus are provided for detecting and correcting various data errors that may arise in a mass data storage apparatus comprising a set of physical mass storage devices operating as one or more larger logical mass storage devices. More particularly, there is provided a method and apparatus for determining, on restoration of power to a device set, whether or not a write operation was interrupted when power was removed, and for reconstructing any data that may be inconsistent because of the removal of power.

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