APC RAID Subsystem SCSI-SATA II Especificaciones descargar pdf (Pagina 58)

Chapter 4 Subsystem Connection and Operation

4.2.2 Dual Application Servers

Figure 4-9: A Subsystem Connected to Clustered Servers

In the example shown in Figure 4-9, the SCSI ports are connected to clustered servers.

This provides both path and host computer redundancy. If one of the host channels

becomes disconnected, or if the cable connecting one of the host ports to the host

computer is damaged, the second path can transmit data from the subsystem to one of the

servers. Similarly, in the clustered configuration, the same array can be accessed through

different data paths and downtime will be minimized.

To obtain more disk capacity, the “OUT” ports are used to cascade another subsystem.

Connection Topology 4-7

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APC RAID Subsystem SCSI-SATA II Especificaciones Pagina 58