Method of assuring data integrity on storage volumes

Details Method of assuring data integrity on storage volumes Method of assuring data integrity on storage volumes

2007-03-06

2007-03-06

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Address formation

Hashing

C711S152000

Reexamination Certificate

active

11058808

ABSTRACT:
A method for assuring the integrity of stored data in a storage system is provided. At a specified time at which further writes to a desired portion of the stored data are to be precluded, a hash value is calculated for the desired portion of stored data. At a later time, retrieval of the stored data is performed and the hash value recalculated. A comparison of the former and present hash values reveals whether the data has remained unchanged.

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“Hitachi Data Retention Utility,” product datasheet Hitachi Data Systems Corporation Santa Clara, CA (Jun. 2005).

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