Allocating RAID storage volumes across a distributed network of storage elements

E Robins, KE Granlund, S Pai, E Malkevich… - US Patent …, 2017 - Google Patents
(57) ABSTRACT A distributed network of storage elements (DNSE) is pro vided in which the
physical capacity of each drive is split into a set of equal sized logical splits which are …

Disk replacement using a predictive statistical model

RB Engers, S Letz - US Patent 9,542,296, 2017 - Google Patents
In a provider network, attributes of one of a plurality of storage devices of the provider
network are identified for failure monitoring. Based on a failure prediction model, a predicted …

Method and device for rebuilding RAID

J Gao, G Han, J Dong, L Yang, X Xu - US Patent 10,592,366, 2020 - Google Patents
Embodiments of the present disclosure aim to provide a solution for improving RAID
rebuilding performance. In a first aspect of the present disclosure, there is provided a …

Storage apparatus, computer product, and storage control method

C Maeda, H Daikokuya, K Ikeuchi… - US Patent App. 13 …, 2014 - Google Patents
A storage controller detects a failure of any one of storage units making up a RAID group.
The storage controller incorporates plural hot spares HS into the RAID group, as substitute …

Method, device and computer program product for managing storage pool

B Hu, Q Wu, J Ye - US Patent App. 17/166,255, 2022 - Google Patents
Techniques involve: if it is detected that a storage pool fails, determining the number of failed
storage devices in the storage pool; if it is determined that the number reaches a threshold …

Method and device for rebuilding raid

J Gao, G Han, J Dong, L Yang, X Xu - US Patent 11,099,955, 2021 - Google Patents
Embodiments of the present disclosure provide a method and device for RAID rebuilding. In
some embodiments, there is provided a computer-implemented method. The method …

Resilience of data storage systems by managing partial failures of solid state drives

J Li, JM Guyer, MD Garvey, SR Ives - US Patent 10,719,398, 2020 - Google Patents
Each SSD in an array is divided into splits that are contiguous LBA ranges of equal capacity.
The splits are managed as if they were sub-drives or logical drives and used in RAID groups …

Mapping logical blocks of a logical storage extent to a replacement storage device

G Han, WW Li, J Gao, J Kang, G Shaoqin - US Patent 10,705,971, 2020 - Google Patents
Embodiments of the present disclosure relate to a method, a device and a computer
readable medium for managing a storage system. The method can determine a mapping …

Prevent disk hardware failure for cloud applications

PF Bottan, FM Carteri, G Corsetti, A Tortosa - US Patent 10,831,382, 2020 - Google Patents
An interruption of services for a multi-tier application is avoided based on a probability of a
disk failure. A criticality factor value is assigned to a component of the multi-tier application …