(19)
(11) EP 4 681 078 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24717459.2

(22) Date of filing: 08.03.2024
(51) International Patent Classification (IPC): 
G06F 11/20(2006.01)
G06F 11/14(2026.01)
G06F 3/06(2006.01)
(52) Cooperative Patent Classification (CPC):
G06F 11/2092; G06F 11/2028; G06F 11/2025; G06F 3/067; G06F 11/1448
(86) International application number:
PCT/US2024/018980
(87) International publication number:
WO 2024/196592 (26.09.2024 Gazette 2024/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 17.03.2023 US 202363490862 P
15.06.2023 US 202318335794

(71) Applicant: Microsoft Technology Licensing, LLC
Redmond, WA 98052-6399 (US)

(72) Inventors:
  • VAKA, Pratapa Reddy
    Redmond, Washington 98052-6399 (US)
  • KOHLI, Jaspal
    Redmond, Washington 98052-6399 (US)
  • MUDALIAR, Hari Krishna
    Redmond, Washington 98052-6399 (US)
  • VIRAJAMANGALA, Shwetashree
    Redmond, Washington 98052-6399 (US)
  • VASUDEVAN, Raju Kurunkad
    Redmond, Washington 98052-6399 (US)

(74) Representative: CMS Cameron McKenna Nabarro Olswang LLP 
Cannon Place 78 Cannon Street
London EC4N 6AF
London EC4N 6AF (GB)

   


(54) HIGH AVAILABILITY USING VIRTUAL STORAGE CONTROLLERS IN A SCALE OUT STORAGE CLUSTER