Enabling efficient recovery from multiple failures together with one latent error in a storage array

H He, M Li - US Patent 9,229,810, 2016 - Google Patents
The present invention provides a method and apparatus of managing a storage array. The
method comprises: Striping the storage array to form a plurality of stripes; selecting F …

Write-back cache protection

KP Der - US Patent 8,327,080, 2012 - Google Patents
BACKGROUND A conventional data storage cluster includes multiple data storage nodes
and an array of magnetic disk drives, eg, a redundant array of independent disks (RAID) …

Enabling efficient recovery from multiple failures together with one latent error in a storage array

H He, M Li - US Patent 9,417,963, 2016 - Google Patents
The present invention provides a method and apparatus of managing a storage array. The
method comprises: striping the storage array to form a plurality of stripes; selecting F storage …

Storage efficiency of encrypted host system data

JR Irwin, EL Miller, JD Davis - US Patent 11,307,998, 2022 - Google Patents
(57) ABSTRACT A storage controller coupled to a storage array comprising one or more
storage devices that performs at least one data reduction operation on decrypted data …

Determining when to replace a storage device by training a machine learning module

MG Borlick, KA Nielsen, CA Hardy… - US Patent 11,119,660, 2021 - Google Patents
Provided are a computer program product, system, and method for using a machine learning
module to determine when to replace a storage device. Input on attributes of the storage …

Efficient method to detect disk write errors

LSW Luan, VW Deenadhayalan - US Patent 8,140,909, 2012 - Google Patents
BACKGROUND Computer storage disks sometimes fail to Write the intended data to the
rotating disk due to head seek errors, previously undetected disk media defects, mechanical …

Scale out storage platform having active failover

P Sajeepa, J Patel, T Glek - US Patent 12,137,140, 2024 - Google Patents
A storage system that has blades and fabric modules connects to a customer legacy network
that has a first, active switch and a second, passive switch. A first link aggregation group …

Write path selection

Y Gao, B Feigin, H Kannan - US Patent 12,067,282, 2024 - Google Patents
A storage system has NVRAM (nonvolatile random-access memory), storage memory that
includes SLC (single level cell) flash memory and QLC (quad level cell) flash memory, and a …

Storage system with selectable write modes

Y Gao, B Feigin, H Kannan, I Ostrovsky… - US Patent …, 2024 - Google Patents
A storage system has a first memory, a second memory that include solid-state storage
memory, and a processing device. The processing device is to select a mode for each …

Optimizing storage system upgrades to preserve resources

H Kannan, Y Gao, PE Kirkpatrick - US Patent 12,079,494, 2024 - Google Patents
A storage system has a first storage and a second storage. The first storage has a first
plurality of blades with first computing resources, first RAM resources and first solid-state …