Abstract:
Systems and methods for supporting dual-port virtual router in a high performance computing environment. In accordance with an embodiment, a dual port router abstraction can provide a simple way for enabling subnet-to-subnet router functionality to be defined based on a switch hardware implementation. A virtual dual-port router can logically be connected outside a corresponding switch port. This virtual dual-port router can provide an InfiniBand specification compliant view to a standard management entity, such as a Subnet Manager. In accordance with an embodiment, a dual-ported router model implies that different subnets can be connected in a way where each subnet fully controls the forwarding of packets as well as address mappings in the ingress path to the subnet.
Abstract:
Systems and methods for providing default multicast local identifier values per subnet partition as additional subnet management agent attributes in a high performance computing environment. In accordance with an embodiment, a single multicast local identifier can be associated with multiple multicast group identifiers when the multiple multicast group identifiers are associated with a same subnet partition. That is, a default MLID for each subnet partition (i.e. either all subnet partitions or those subnet partitions that are defined to have multicast communication) can be provided. A subnet node can have a default multicast local identifier table for storing default multicast local identifiers. A relationship between the partition key table of the node and the default multicast local identifier table of the nod can map default assigned multicast local identifiers to relevant partitions.
Abstract:
Systems and methods can provide a switch mode that is similar to “boot in progress”, but that is admin (e.g., administrator) controllable. This mode can ensure that an admin can perform re-cabling and cable test operations for any single switch in an operational subnet (e.g., an InfiniBand subnet) without causing unnecessary subnet re-routing and re-configuration operations.
Abstract:
Systems and methods for application of virtual host channel adapter configuration policies. An exemplary embodiment can provide a host channel adapter (HCA) with a control circuit and a memory, and at least one port operative to connect the HCA to a network fabric. A software driver of the HCA can provide a control API that exposes functionality to hyper-privileged software executing on the host. The hyper privileged software, through the control API, can request registration of a virtual HCA (vHCA) with a virtual function of the HCA. The HCA can forward the registration request to a subnet manger, which can retrieve configuration policies from a cache and return the policies to the HCA for implementation with the virtual function of the HCA.
Abstract:
System and method for correlating fabric-level group membership with subnet-level partition membership in a high performance computing environment. An exemplary embodiment can provide an admin partition in a subnet of a network environment, associated with a resource domain at the fabric level of the network environment. The admin partition can be defined by a P_Key that is stored in a fabric-level database. Each fabric resource is identified by an identifier that is stored in the fabric-level database. When fabric resources are added as members to the resource domain, a relationship is created between the P_Key and the identifier of the fabric resource, where the relationship defines the resource as a member of the admin partition. Access rights can be granted based on the relationship.
Abstract:
System and method for providing an InfiniBand network device having a vendor-specific attribute that contains a signature of the vendor. An exemplary embodiment can provide an InfiniBand compatible network device from a vendor. The vendor can further define a subnet management attribute, where the subnet management attribute has an attribute identifier in the range of attribute identifiers reserved in the InfiniBand specification. The vendor can define a signature bit string that is a fixed number of bits in length and a number of offset bits, where the number of offset bits indicates the start of the signature bit string within the attribute. The subnet management attribute can be configured with the signature bit string starting where the offset bits indicate, and the subnet management attribute can be included as an attribute of the InfiniBand compatible network device.
Abstract:
Systems and methods of initiating virtual machine configuration on a subordinate node from a privileged node. An exemplary embodiment can provide a host channel adapter (HCA) including a control circuit with a processor and a memory, and a physical port operative to connect the HCA to a network fabric. Additionally, the HCA can include a subnet management agent (SMA) that executes on the HCA. The SMA can forward a request to register a virtual HCA to a subnet manager. The subnet manager can read an exposed attribute of the HCA, where the exposed attribute specifies the physical port as a privileged node, and where the value of the exposed attribute equals an assigned globally unique identifier (GUID) of the physical port. Upon receiving the request, the subnet manger can evaluate the GUID of the sending port to determine that the GUID and the value of the exposed attribute are equal.
Abstract:
A system and method can support network management in a network environment. The network environment can include a plurality of configuration daemons (CDs), wherein a master CD is an active CD on a switch with a master subnet manager (SM). The master CD operates to perform consistency check on one or more states associated with one or more peer CDs in the network environment, and replicate a configuration file to the one or more peer CDs, wherein the configuration file includes at least one management key (M_Key) value.
Abstract:
A system and method can support master negotiation in a network environment. A subnet manager (SM) can perform subnet discovery on a subnet in the network environment via a subnet manager (SM) in the subnet, wherein the subnet includes a plurality of SMs. Furthermore, the SM can communicate with the other SMs in the subnet to check for a number of known secret keys, and select a SM from the plurality of SMs as a master SM, wherein the master SM has the highest number of known keys.
Abstract:
A system and method can support network management in a network environment. The network environment can include a plurality of configuration daemons (CDs), wherein a master CD is an active CD on a switch with a master subnet manager (SM). The master CD operates to perform consistency check on one or more states associated with one or more peer CDs in the network environment, and replicate a configuration file to the one or more peer CDs, wherein the configuration file includes at least one management key (M_Key) value.