The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2020
Filed:
Oct. 05, 2018
Emc Ip Holding Company Llc, Hopkinton, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Embodiments for providing continuous data protection in a data processing and storage system with a storage server and storage devices, by providing a solid state disk (SSD) device having a processor and non-volatile memory and an interface to a host device, providing a resident continuous data protection program on the SSD and executed by the processor, recording, for each write command, a memory address offset and a timestamp for the write command, and maintaining one of: an undo journal storing data in a location that is to be overwritten by the write command with the timestamp, or a log-structured file exposing a single large file as a volume to an upper layer of a host software stack for storing periodic snapshot backups of data created by the write command.