Quantum StorNext QD7000, Руководство по оборудованию

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Controller A
Host
Port 1
Host
Port 2
Host/Server
HBA 1 HBA 2
74100
Controller B
Host
Port 1
Host
Port 2
The following table lists the redundant and non-redundant components in a direct-attached
configuration with one host and a controller shelf.
Component Redundancy
Host/server Non-redundant
HBA, HCA, or iSCSI Ethernet adapter Redundant
Host-to-controller cable Redundant
Controller Redundant
The following figure shows an example of a direct-attach topology with two hosts and a duplex
controller shelf.
Note: In this example, the hosts/servers must be clustered to guarantee redundancy.
Controller A
Host
Port 1
Host
Port 2
Host/Server
HBA 1 HBA 2
Host/Server
HBA 1 HBA 2
74101
Controller B
Host
Port 1
Host
Port 2
Host cabling | 57