Patents by Inventor Shaofeng Chang

Shaofeng Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Enforcing full backup when role switch occurs in a database in a high-availability configuration
    Patent number: 12566676
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a first backup request, wherein the first backup request specifies a role and an asset group identifier for an asset group, identifying, based on the first backup request, a database in the asset group with the role, determining that the role of the database has changed since a last backup of the asset group, and in response to the determining, issuing a second backup request for the database, wherein the second backup request is for a full backup.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: March 3, 2026
    Assignee: Dell Products L.P.
    Inventors: Navneet Upadhyay, Rejith Mohan M, Xiaoliang Zhu, Shaofeng Chang, Amith Ramachandran
  • Scheduling backups on a standby database in a high-availability configuration
    Patent number: 12511200
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a backup request, wherein the backup request specifies a role of standby and an asset group identifier for an asset group, identifying, based on the backup request, a database in the asset group, and issuing the backup request for the database.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: December 30, 2025
    Assignee: Dell Products L.P.
    Inventors: Navneet Upadhyay, Rejith Mohan M, Shivaraj Abbigeri, Shaofeng Chang, Xiaoliang Zhu, Elango Chockalingam
  • Scheduling backups on a primary database in a high-availability configuration
    Patent number: 12292801
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a backup request, wherein the backup request specifies a role of primary and an asset group identifier for an asset group, identifying, based on the backup request, a database in the asset group, and issuing the backup request for the database.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: May 6, 2025
    Assignee: Dell Products L.P.
    Inventors: Navneet Upadhyay, Rejith Mohan M, Xiaoliang Zhu, Shaofeng Chang, Ban Wang, Pati Mohan, Amith Ramachandran
  • ENFORCING FULL BACKUP WHEN ROLE SWITCH OCCURS IN A DATABASE IN A HIGH-AVAILABILITY CONFIGURATION
    Publication number: 20250138960
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a first backup request, wherein the first backup request specifies a role and an asset group identifier for an asset group, identifying, based on the first backup request, a database in the asset group with the role, determining that the role of the database has changed since a last backup of the asset group, and in response to the determining, issuing a second backup request for the database, wherein the second backup request is for a full backup.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 1, 2025
    Inventors: Navneet Upadhyay, Rejith Mohan M, Xiaoliang Zhu, Shaofeng Chang, Amith Ramachandran
  • SCHEDULING BACKUPS ON A STANDBY DATABASE IN A HIGH-AVAILABILITY CONFIGURATION
    Publication number: 20250138953
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a backup request, wherein the backup request specifies a role of standby and an asset group identifier for an asset group, identifying, based on the backup request, a database in the asset group, and issuing the backup request for the database.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 1, 2025
    Inventors: Navneet Upadhyay, Rejith Mohan M, Shivaraj Abbigeri, Shaofeng Chang, Xiaoliang Zhu, Elango Chockalingam
  • SCHEDULING BACKUPS ON A PRIMARY DATABASE IN A HIGH-AVAILABILITY CONFIGURATION
    Publication number: 20250138954
    Abstract: In general, embodiments relate to a method for backing up databases, the method includes receiving a backup request, wherein the backup request specifies a role of primary and an asset group identifier for an asset group, identifying, based on the backup request, a database in the asset group, and issuing the backup request for the database.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 1, 2025
    Inventors: Navneet Upadhyay, Rejith Mohan M, Xiaoliang Zhu, Shaofeng Chang, Ban Wang, Pati Mohan, Amith Ramachandran
  • Method, electronic device and computer program product for storage management
    Patent number: 11669412
    Abstract: A method, electronic device, and computer-readable medium for storage management is disclosed. The method for storage management includes acquiring a data change rate of a data source, the data change rate indicating an occurrence rate of data to be backed up in the data source. The method also includes acquiring a recovery capability of a backup system to recover backed-up data and determining, based on the data change rate and the recovery capability, a backup strategy for backing up the data to be backed up.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: June 6, 2023
    Assignee: EMC IP HOLDING COMPANY LLC
    Inventors: Shaofeng Chang, Xiaoliang Zhu, Jing Yu, Ming Zhang, Xiaolei Hu
  • METHOD, ELECTRONIC DEVICE AND COMPUTER PROGRAM PRODUCT FOR STORAGE MANAGEMENT
    Publication number: 20220327032
    Abstract: A method, electronic device, and computer-readable medium for storage management is disclosed. The method for storage management includes acquiring a data change rate of a data source, the data change rate indicating an occurrence rate of data to be backed up in the data source. The method also includes acquiring a recovery capability of a backup system to recover backed-up data and determining, based on the data change rate and the recovery capability, a backup strategy for backing up the data to be backed up.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 13, 2022
    Inventors: Shaofeng Chang, Xiaoliang Zhu, Jing Yu, Ming Zhang, Xiaolei Hu