Removable storage device with transactional operation support and system including same

Patent metadata

Field	Value
Publication number	US-9075758-B2
Application number	US-201313798947-A
Country	US
Kind code	B2
Filing date	Mar 13, 2013
Priority date	Mar 19, 2012
Publication date	Jul 7, 2015
Grant date	Jul 7, 2015

Abstract

A removable storage device operates in accordance with transactions defined by a connected host. The removable storage device includes an input unit receiving metadata update operation(s) and log file information, a log information storage storing the log file information, and a transaction manager controlling execution of the metadata update operation(s) and execution of a recovery operation for the transaction following a failure event interrupting the transaction in accordance with the stored log file information.

First claim

What is claimed is:

1. A removable storage device (“the device”) that receives a command from a connected host indicating a transaction to be executed by the removable storage device, the device comprising:
an input unit that receives at least one metadata update operation and corresponding log file information associated with the transaction;
a log information storage unit that stores the log file information before execution of the at least one metadata update operation; and…

Assignees

• Samsung Electronics Co Ltd

Inventors

• Bhavith Manathanathu Pushakara

Classifications

• G06F9/466

  Physics · mapped topic

• G06F11/1471 Primary

  Physics · mapped topic