Kenneth Leroy Day

US Patent:

8566673, Oct 22, 2013

Filed:

Aug 4, 2011

Appl. No.:

13/197830

Inventors:

Kevin Kidney - Lafayette CO, US
Kenneth Day - Wichita KS, US

Assignee:

LSI Corporation - San Jose CA

International Classification:

G11C 29/00

US Classification:

714770, 714773, 714766

Abstract:

A method for computing and storing parity information in a RAID system includes dividing each segment in a stripe into a data block and a parity block, and storing in each parity block, parity information for a limited number of other data blocks in the stripe. A method for rebuilding data in a RAID system includes rebuilding the data from parity information and storing the rebuilt data on reserve portions of the remaining disks in the system.

US Patent:

20170300247, Oct 19, 2017

Filed:

Apr 14, 2016

Appl. No.:

15/099434

Inventors:

- Cupertino CA, US
Ian R. Davies - Longmont CO, US
Kenneth F. Day - Tucson AZ, US

Assignee:

SEAGATE TECHNOLOGY LLC - Cupertino CA

International Classification:

G06F 3/06
G06F 3/06
G06F 3/06
G06F 3/06

Abstract:

Systems and methods for intelligent replication of a snapshot tree are described. In one embodiment, a first storage system may include a storage controller. In some embodiments, the storage controller may be operable to replicate a first storage volume of a first storage system and a first user snapshot of the first storage volume to a second storage volume of a second storage system and capture a first tree structure block (TSB) of the first storage system. In some cases, the first user snapshot may include a point in time capture of data on the first storage volume at a first time. In some embodiments, the first TSB captures a hierarchy of each snapshot of the first storage system.