HP Surestore 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availabil - Page 124
Connectivity Planning Considerations, Remote User Workstations
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Physical Planning Considerations Connectivity Planning Considerations Directors, switches, and the HAFM server can be delivered in an HP-supplied equipment rack in accordance with customer specifications. Consider the following Ethernet connectivity issues when: ■ Installing additional rack-mount products - When installing an additional director or switch, the length of Ethernet cable required to provide LAN connectivity is a function of rack position (top, bottom, or adjacent to the slide-out drawer). Ensure cable lengths provide sufficient cable inside the rack to route to the product's Ethernet ports and to allow service clearance. ■ Interconnecting equipment racks - To increase the products managed by one HAFM server, Ethernet hubs in one or more equipment racks must be connected. Plan for an Ethernet cable length that meets the distance requirement between the racks. In addition, plan for an additional 1.5 meters (5 feet) of cable outside the rack to provide slack for service clearance, limited rack movement, or inadvertent cable pulls. Store extra Ethernet cable in the rack or under the computer room raised floor. ■ Consolidating HAFM server operation - For control and efficiency, all directors and switches in a multi-switch fabric should be managed by one HAFM server. When products in two or more racks are joined to form a fabric, the PC environment should be consolidated to one server and one or more clients. Plan for Ethernet cabling to interconnect racks and ensure all directors, switches, and PC platforms participating in the fabric have unique IP addresses. Remote User Workstations Customer system administrators determine whether to allow access to directors from remote workstations. If administrators allow remote sessions, they may restrict access to selected workstations by configuring the IP addresses of those workstations through the HAFM application. When a remote session is allowed, the remote user has the same rights and permissions as if the session were on the local HAFM server. Up to nine HAFM application sessions can be simultaneously active (one local and eight remote). Remote workstations must have access to the LAN segment on which the HAFM server is installed. Director administrative functions are accessed through the LAN and server. 124 SAN High Availability Planning Guide