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公开(公告)号：US10693955B2
公开(公告)日：2020-06-23
申请号：US14530039
申请日：2014-10-31
Applicant: NETAPP, INC.
Inventor： Raj Lalsangi , Pramod John Mathew , Perumal Govindan Deivapalan , Santosh Rao
Abstract: Improved techniques for disaster recovery of storage service accessible through storage area networks are disclosed. Embodiments include establishing peer relationships between nodes of primary and secondary computing clusters. Configuration information is replicated in near synchronous manner from a primary cluster and used to configure a secondary cluster in a similar manner. Host data is replicated in synchronous manner for all the storage devices and LUNs within them. The secondary cluster is kept updated continuously with configuration information and user data in LUNs on storage devices such that a host may be served data from the secondary cluster when the primary cluster experiences a disaster or failure. Other embodiments are described and claimed.
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