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Introductie Windows Server 2016

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69 C H A P T E R 3 | Storage Follow the remaining wizard prompts to finish configuring your stretched cluster. When configured, the storage synchronously replicates between the source and destination storage on the cluster. When completed, replication forms the stretch cluster and Storage Replica protects the data on the source and destination drives. For example, Figure 3-6 shows the direction of replication after a subsequent failover. In this case, Cluster Disk 1 is now the source of replication and Cluster Disk 3 is the destination. Figure 3-6: Disk information after a replica has been created Note You can also use Windows PowerShell, using the Failover-Clustering and StorageReplica modules to create a stretch cluster. Server-to-server and cluster-to-cluster replication Storage Replica can connect two individual servers—sometimes called stand-alone replication—and their volumes. This storage can be serially attached SCSI JBOD, iSCSI target, SAN, or even local DAS, such as SCSI drives attached to a local RAID controller. Storage Replica can also replicate between two clusters as if they were two servers, with any shared storage the cluster considers acceptable. Replication occurs between two physical locations, such as different buildings on the same campus or different metropolitan datacenters. The replicated storage must be either NTFS or ReFS volumes. Figure 3-7 depicts a typical architecture used for implementing server-to-server replication using Storage Replica. On the left is the Redmond site with server SR-SRV01 and some storage (SAN, JBOD, or iSCSI). On the right is the Bellevue site with server SR-SRV02 and more storage. You can use Storage Replica to combine the servers and storage at these two sites into a partnership by asymmetrically replicating storage from one site to the other.

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