Back to results
US 8,132,088 B2Granted
Data formatting in data storage
AssigneeHewlett-Packard Development Company, L.P.
InventorsNigel Ronald Evans, Andrew Hana
Life of this patent
Estimating the term…
Abstract
A method of processing data comprising arranging data into a data group comprising a plurality of sub groups each said subgroup comprising a plurality of columns; for each column, determining at least one checksum data of said column; and for each column, storing the checksum data of that column within at least one said subgroup of the group, other than the subgroup to which said column belongs.
Claims20
A method of processing data, said method comprising:
- arranging data into a data group comprising a plurality of subgroups each said subgroup comprising a plurality of columns;
- for each column, determining at least one checksum data of said column;
- for each column, storing the checksum data of that column in at least one of said subgroups other than the subgroup to which said column belongs;
- and
- writing said data to a data storage medium.
2 more elements
An apparatus for processing data, said apparatus comprising:
- a data processor operable for arranging data into a data group, said group comprising a plurality of columns;
- a checksum generator operable to determine a checksum data of said columns;
- and
- a group processor operable for inserting the checksum data of each said column in at least one of plurality of subgroups other than the subgroup to which said column belongs.
1 more element
A method of processing data, said method comprising:
- arranging data into a data group comprising a plurality of subgroups each said subgroup comprising a plurality of columns, wherein, each said column comprises a plurality of pack items, and a checksum of said column is written to pack items M and N of each said column, where M and N are different pack items to each other;
- for each column, determining at least one checksum data of said column;
- for each column, storing the checksum data of that column in a plurality of columns other than said column itself;
- and
- writing said processed data to said data storage medium.
2 more elements
Dependencies are inferred from the claim text.