5.2. Virtual Fabrics
Virtual Fabrics (vFabrics) bring many of the capabilities of Ethernet virtual LANs (VLANs) to the Omni-Path Fabric.
Using vFabrics, the administrator may slice up (partition) the physical fabric into many overlapping virtual fabrics. The administrator's selections determine how the Omni-Path Technology-specific configuration of the fabric is performed.
The goal of vFabrics is to permit multiple applications to be run on the same fabric at the same time with limited interference. The administrator can control the degree of isolation.
As in Ethernet VLANs, a given node may be in one or more vFabrics. vFabrics may have overlapping or completely independent membership. When using IPoIB in a fabric, typically each vFabric represents a unique IP subnet, in the same way a unique subnet is assigned to different VLANs.
Each vFabric can be assigned Quality of Service (QoS) and security policies to control how common resources in the fabric are shared among vFabrics.
The following table summarizes the provisioning procedures that can be found in this chapter for quick reference.
Procedure | Reference |
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Creating a QOSGroup | |
Securing the default vFabric (also a security task) | |
Creating vFabrics | |
Adding and removing virtual fabrics (including QOSGroups) | |
Modifying the vFabric configuration file for multiple vFabrics | |
Defining a multi-tenant fabric | |
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Deleting tenant vFabrics |