The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2026
Filed:
Jan. 23, 2024
Dell Products L.p., Round Rock, TX (US);
Yuval Harduf, Yahud, IL;
Valerie Lotosh, Ramat Gan, IL;
Dmitry Vladimirovich Krivenok, Dublin, IE;
Jehuda Shemer, Kfar Saba, IL;
Dell Products L.P., Round Rock, TX (US);
Abstract
When a first node detects a condition indicating that a second node has possibly failed, the first node changes information associated with the second node without communicating with the second node. The changing of the information associated with the potentially failing second node prevents that node from subsequently accessing a data storage volume that is shared between the nodes. The information that is changed may include an encryption key used to encrypt communications between the second node and the shared storage volume, or an authentication credential that is required for the second node to authenticate to the shared storage volume. In some embodiments, the first and second node may make up at least part of a virtual data storage system, in which each node operates to process host I/O (Input/Output) requests that are received from at least one host.
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