HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 49
B-series Meta SAN, B-series Virtual Fabrics architecture
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• B-series Meta SAN-Implemented in certain 8 Gb/s switch models with license enabled integrated Fibre Channel routing or using the B-series 1606 Extension SAN Switch, DC Dir Switch MP Extension Blade, 400 Multi-protocol Router (400 MP Router), Multi-protocol Router Blade (MP Router Blade), or Multi-protocol Router (MP Router), which provide selective Fibre Channel routing connectivity between multiple B-series fabrics or between B-series and M-series fabrics. • B-series Virtual Fabrics with IFR-Implemented in B-series switches (DC SAN Backbone Director, DC04 Director, 8/80 SAN Switch, and 8/40 SAN Switch) using B-series Virtual Fabrics. IFR allows you to share devices across multiple B-series Virtual Fabrics partions. • C-series VSANs with IVR-Implemented using C-series IVR. IVR provides selective Fibre Channel routing connectivity between devices in different VSANs. Ports on one or more switches can be assigned to different VSANs. • H-series switches with TR-Implemented using the TR feature, which is available with firmware 8.x (or later). The TR feature provides inter-fabric routing, allowing controlled access between devices on an SN6000 Fibre Channel Switch or an 8/20q Fibre Channel Switch (local) fabric and devices on a remote fabric consisting of B-series or C-series switches. B-series Meta SAN A Meta SAN contains multiple B-series fabrics connected together using the B-series 8 Gb/s switches with Fibre Channel routing, 1606 Extension SAN Switches, DC Director Switch MP Extension Blades, or MP Routers. The 8 Gb/s switches with Fibre Channel routing, 1606 Extension SAN Switches, DC Dir Switch MP Extension Blades, or MP Routers implement the Fibre Channel routing service, which allows selective access between devices in different fabrics without having to merge fabrics. This provides a high level of isolation between fabrics. This isolation can be viewed as individual Fibre Channel subnetworks within the Meta SAN. LSANs provide access to devices in different fabrics. You create LSAN zones just as you create standard zones in a single fabric. The difference is that LSAN zone definitions span multiple fabrics and therefore must be replicated on all fabrics that comprise the LSAN. For more information about Meta SANs and Fibre Channel routing, see "Fibre Channel routing" on page 61. B-series Virtual Fabrics architecture In B-series configurations, a switched fabric is partitioned into several logical switches and logical fabrics (Figure 17) by using the Virtual Fabrics feature. To accomplish this, the Virtual Fabrics feature must be enabled. The Virtual Fabrics feature is set to OFF by default. Enabling Virtual Fabrics is a disruptive operation, which requires a reboot. Devices can be shared across multiple logical fabrics using IFR, increasing resource sharing. B-series Virtual Fabrics and Virtual Fabrics with IFR are included on B-series switch models: DC SAN Backbone Director, DC04 Director, 8/80 SAN Switch and 8/40 SAN Switch only. B-series fabric partitioning with administrative domains In B-series configurations, a switched fabric is partitioned into several management domains using the Administrative Domains feature. An administrative domain is only a filtered administrative view of the fabric. Each administrative domain has its own set of resources, such as: administrator and users, Name Server, and zoning database. Resources can be shared across multiple administrative domains by properly defining their membership. The Administrative Domains feature is available on all switches using firmware 5.2x (or later). SAN Design Reference Guide 49