Method of moving files in hierarchical storage system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9946487
SERIAL NO

15708251

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for moving files in a hierarchical storage system having a primary storage and a secondary storage including a sequential storage device from the primary storage to the secondary storage includes obtaining a predetermined file size to be written to the secondary storage, extracting, from a plurality of files in the primary storage, a file not stored in the secondary storage and having the oldest last access time, estimating a file size of the file having the oldest last access time on the secondary storage if the file having the oldest last access time is written to the secondary storage, and selecting the file having the oldest last access time as a file to be moved to the secondary storage as long as the estimated file size does not exceed the predetermined file size to be written to the secondary storage.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Tohru Tokyo, JP 227 603
Iwanaga, Masayuki Urayasu, JP 48 191
Oishi, Yutaka Kawasaki, JP 205 997

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 17, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 17, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00