Patent · US Active

Method, device and computer program product for managing a storage system

US10705932B2 · kind B2 · utility

0Cited by
10References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 2018
Grant dateJul 7, 2020
Priority date
Expiry dateOct 23, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2201/85
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Embodiments of the present disclosure relate to a method, a device and a computer program product for managing a storage system. According to embodiments of the present disclosure, the method comprises, in response to a certain disk of a disk array of the storage system returning from a failed state to a normal state, determining information of a spare disk for recovering data on the storage disk, the first data being stored on the first disk. The method further comprises determining based at least in part on information of the spare disk, a disk from the spare disk and a first disk for reconstructing the disk array. According to embodiments of the present disclosure, in the case that the first disk is recovered from the failed state, the method comprises based on a data amount in the spare disk having not been recovered yet and a data amount associated with the first disk, selecting the spare disk or the first disk for data reconstruction. With the method according to embodiments of the present disclosure, the time for reconstructing a disk array will be reduced effectively.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.