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:
Jul. 19, 2022
Filed:
Apr. 13, 2021
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Dmitry Tylik, Westborough, MA (US);
Dave J. Lindner, Nashua, NH (US);
Carole Ann Gelotti, Hollis, NH (US);
Matthew Long, Uxbridge, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Two data storage systems, DSand DS, may be initially configured with identifiers for target ports and target port groups. Subsequently, the two system may be combined into a cluster including a stretched volume configured from the volumes Vand V, respectively, on DSand DS, where Vand Vare exposed to the host as the same logical volume, L, over multiple paths from DSand DSto the host. Vmay have a normal attribute indicating target ports and port groups of DShave associated identifiers as specified in an initial configuration when reporting information regarding Lto the host. Vmay have an extended attribute indicating that target ports and port groups of DShave associated extended identifiers determined using a first extended value and using identifiers from an initial configuration when reporting information regarding Lto the host.