International Business Machines Corporation

Sandisk Enterprise IP LLC

Sandisk Technologies Inc.

Smart Storage Systems, Inc.

Gregg Steven Lucas

Robert Akira Kubo

John Charles Elliott

Brian James Cagno

Carl Evan Jones

Robert W Ellis

Craig Anthony Klein

Shah Mohammad Rezaul Islam

Matthew David Bomhoff

Daniel James Winarski

Louie Arthur Dickens

Timothy A Johnson

Kenneth B Delpapa

Andrew Ellis Seidel

Robert Earl Medlin

Kenneth Robert Schneebeli

Juan Antonio Yanes

Andrew Dale Walls

Tohru Sumiyoshi

Kenny Nian Gan Qiu

Enrique Q Garcia

Yoshihiko Terashita

Katherine Tyldesley Blinick

Linda V Benhase

Linda Van Patten Benhase

Michael L Harper

William Gavin Holland

Gary William Batchelor

Kenny N Qiu

Michael T Benhase

Brent Cameron Beardsley

Aaron Roger Cox

Robert Beverley Basham

Gary A Tressler

Yutaka Kawai

Richard Victor Kisley

Theodore Brian Vojnovich

Lace J Herman

Yoshihiro Fujie

Dustin J Vanstee

Koji Nakase

Thomas Stanley Truman

Rezaul Shah Mohammad Islam

Russell Lee Ellison

Katherine S Tyldesley

John C Elliot

Mary A J Marquez

Kenneth B DelPapa

Mary Anne J Marquez

Jason Aaron Matteson

Richard L Bradshaw

Andrew Boyce McNeill, Jr

Ryan R Jones

Tony Carl Sass

Bret W Lehman

Kevan D Holdaway

Shah M R Islam

Ivan Ronald Olguin, Ii

Michael Allen Curnalia

Ronald Dean Parrish

Robert Mark Lindsay

Michihiro Okamoto

Hirokazu Nishimura

Kenji Hidaka

Basheer Neuhru Bristow

Kifumi Numata

Gordon Leon Washburn

James Richard Pollock

Yvonne Hanson Kleppel

Shah Mohammed Rezaul Islam

Michael H Stamps

Kenneth J Hallam

Pauline Hallam, Legal Representative

Rajendrasinh Banesinh Jadeja

John C V Elliott

Bryan N Cardwell

Robert D Medlin

In remote power down control of a device configured for externally initiated remote power down, such as over a network, all externally connected sources of valid power down requests for the device is monitored; and the device is powered down in response to a combination of either of a received power down request and a time out with respect to each of the sources of valid power down requests for the device.

Remote power down control of a device

The various embodiments described herein include systems, methods and/or devices used to enable firmware reversion triggering and control in a storage device. In one aspect, the method includes: (1) detecting a reversion trigger, the reversion trigger identifying a set of one or more controllers of a plurality of controllers on the storage device, and (2) in response to the reversion trigger, initiating recovery actions for each controller in the set of one or more controllers, including: for each controller in the set of one or more controllers: (a) asserting a revert signal to the controller to execute a firmware reversion for the controller, and (b) resetting the controller subsequent to asserting the revert signal to the controller.

Firmware reversion trigger and control

The various embodiments described herein include methods and/or devices used to protect data in a storage device. In one aspect, a method includes performing a power fail operation on a first section of the storage device, the first section of the storage device comprising one or more memory group modules. The power fail operation includes supplying power, via one or more energy storage devices, to the one or more memory group modules, where each memory group module includes a respective memory group module controller. The power fail operation also includes supplying power, via an additional energy storage device, to a storage device controller, the storage device controller corresponding to the first section of the storage device. The additional energy storage device is distinct from the one or more energy storage devices and each are distinct from a power source used during normal operation of the storage device.

Method and device for distributing holdup energy to memory arrays

In remote power down control of a device configured for externally initiated remote power down, such as over a network, all externally connected sources of valid power down requests for the device is monitored; and the device is powered down in response to a combination of one of a received power down request and a time out with respect to each of the sources of valid power down requests for the device.

The various embodiments described herein include systems, methods and/or devices used to enable power inrush management of storage devices (e.g., DIMM devices). In one aspect, the method includes, for at least one storage device populated in a slot of a plurality of storage device slots, the plurality of storage device slots configured to be populated by two or more storage devices: (1) detecting a unique location associated with the storage device, (2) determining a time delay for the storage device in accordance with the unique location associated with the storage device, and (3) delaying at least one power-on operation of the storage device by the time delay for the storage device.

Power inrush management of storage devices

An apparatus, system, and computer readable medium are disclosed for booting a server from a shared storage system. The present invention teaches at least one server having at least one processor, a storage system having a plurality of storage drives and at least one boot volume corresponding to the at least one server, and a switch fabric having at least one switch; the switch fabric isolates boot traffic from storage traffic and enables communication between the server and the boot volume of the storage system. In some embodiments the switch fabric includes one or more partitionable switches that isolate boot traffic from storage traffic. The boot volumes may be a redundant array of storage devices. In certain embodiments, the present invention also includes devices external to the server, switch fabric, and storage system.

Apparatus, system, and computer readable medium for booting a server from a shared storage system

The various implementations described herein include systems, methods and/or devices used to enable performing supervisory functions for a dual in-line memory module (DIMM), at a controller in the DIMM. The method includes upon power-up, determining a power supply voltage provided to the DIMM. In accordance with a determination that power supply criteria are satisfied, the method includes: (1) performing one or more power-up operations, including initiating a usage counter, (2) monitoring a temperature of the DIMM, (3) monitoring the DIMM for occurrence of one or more of a set of predetermined trigger events, and (4) in response to detecting one of the set of predetermined trigger events, logging information corresponding to the detected predetermined event.

DIMM device controller supervisor

The various embodiments described herein include circuits, methods and/or devices used to protect data in a storage device. In one aspect, a method includes performing a power fail operation on a first section of the storage device. The power fail operation includes supplying power, via an energy storage device, to the first section of the storage device, where the energy storage device is distinct from a power source used during normal operation of the storage device, and where supplying power via the energy storage device includes switching the output of the energy storage device from an output of a boost regulator to an input of the boost regulator. The power fail operation also includes performing data hardening on the first section of the storage device.

Holdup capacitor energy harvesting

The various implementations described herein include systems, methods and/or devices used to enable secure erase in a memory device. In one aspect, the method includes detecting a secure erase trigger. The method further includes determining a secure erase algorithm from among one or more secure erase algorithms to use in accordance with the detected secure erase trigger. The method further includes performing a secure erase operation in accordance with the selected secure erase algorithm, the secure erase operation including: (1) signaling a secure erase condition to a plurality of controllers on the memory device, (2) erasing one or more non-volatile memory devices on the memory device, (3) monitoring the secure erase operation, and (4) recording data related to the secure erase operation.

Secure erase in a memory device

A storage control system, and a method of operation thereof, including: a host interface module for receiving a host command from a host system; a power measurement module, coupled to the host interface module, for reading a current value of an electrical power supplied by the host system in response to the host command; and a schedule module, coupled to the power measurement module, for scheduling new operations to be executed in parallel in non-volatile memory devices, the new operations are scheduled when the current value of the electrical power does not exceed a power limit.

Storage control system with power throttling mechanism and method of operation thereof

The various implementations described herein include systems, methods and/or devices used to enable power sequencing and a data hardening module in a storage device. In one aspect, the method includes determining whether a power supply voltage provided to the storage device is lower than an under-voltage threshold. The method further includes, in accordance with a determination that the power supply voltage is lower than the under-voltage threshold, performing a power fail operation, the power fail operation including: (1) signaling a power fail condition to a plurality of controllers on the storage device, (2) transferring data held in volatile memory to non-volatile memory, and (3) removing power from the plurality of controllers on the storage device.

Power sequencing and data hardening architecture

The various embodiments described herein include systems, methods and/or devices used to enable power fail latching based on monitoring multiple power supply voltages in a storage device. In one aspect, the method includes: (1) determining whether a first power supply voltage provided to the storage device is out of range for a first time period, (2) determining whether a second power supply voltage provided to the storage device is out of range for a second time period, and (3) in accordance with a determination that at least one of the first power supply voltage is out of range for the first time period and the second power supply voltage is out of range for the second time period, latching a power fail condition.

Power fail latching based on monitoring multiple power supply voltages in a storage device

The embodiments described herein include a method and device for adjusting trip points within a storage device. The method includes: obtaining one or more configuration parameters; and based on the one or more configuration parameters, determining a trip voltage. The method also includes comparing the trip voltage with an input voltage. The method further includes triggering a power fail condition in accordance with a determination that the input voltage is less than the trip voltage.

System and method for adjusting trip points within a storage device

Growing community of inventors

Tucson, AZ, United States of America

Gregg Steven Lucas