HP 376227-B21 Dual-port 4x Fabric Adapter User Guide - Page 14

HCA Package Contents, About the HCA Drivers, IPoIB, Socket Direct Protocol, uDAPL, SCSI RDMA (SRP)

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2 HCA Package Contents Inspect all items for shipping damage. If anything appears to be damaged, or if you encounter problems when installing or configuring your system, contact a customer service representative. The HP Dual-port 4x Fabric Adapters ship with the following components: • One HP Dual-port 4x Fabric Adapter • HP Dual-port 4x Fabric Adapter Quick Setup Instructions • Limited Warranty and Material Limitations Documentation About the HCA Drivers The HP Dual-port 4x Fabric Adapters provide a full suite of upper-layer protocols, including IPoIB, SDP, SRP, MPI and uDAPL. IPoIB IPoIB is a kernel space protocol that it allows applications using the IP network to transparently transverse the IB fabric. It is used by Socket Direct Protocol (SDP) and User Direct Access Programming Library (uDAPL) to resolve IP addresses. IPoIB is configured like a normal Ethernet interface. During the installation process, ib interface names are automatically added to the network configuration. These correspond to the ports on the HCA. Socket Direct Protocol The Socket Direct Protocol (SDP), a kernel space protocol that provides the benefits of IB to applications using TCP without any recoding, is a high-performance, zero-copy data-transfer protocol used for stream-socket networking over an IB fabric. The driver can be configured to automatically translate TCP to SDP based on source IP, destination, or program name. uDAPL The User Direct Access Programming Library (uDAPL) defines a set of APIs that exploits RDMA capabilities. uDAPL is installed transparently with the driver library. Your application must explicitly support uDAPL. uDAPL is transparently installed and requires no further configuration. However, if your application supports uDAPL, it may require additional configuration changes. Please refer to your application documentation for more information. SCSI RDMA (SRP) The SCSCI RDMA (SRP) protocol runs SCSI commands across RDMA-capable networks for IB hosts to communicate with Fibre Channel storage devices. This information is used to assign devices and mount file-systems so that the data on those file-systems is accessible to the host. The SRP driver is installed as part of the driver package, and is loaded automatically upon host reboot. Use of this protocol requires that a FC gateway be present in the chassis. MPI The MPI protocol is bundled with the Upper Layer Protocol (ULP) suite. Topspin has taken the Ohio State University's (OSU's) MVAPICH and created Topspin's version of this release. However, in addition, the HCAs also run using other popular IB MPI implementations. Alternative MPI Implementations

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HCA Package Contents
Inspect all items for shipping damage. If anything appears to be damaged, or if you encounter problems
when installing or configuring your system, contact a customer service representative.
The HP Dual-port 4x Fabric Adapters ship with the following components:
•
One HP Dual-port 4x Fabric Adapter
•
HP Dual-port 4x Fabric Adapter Quick Setup Instructions
•
Limited Warranty and Material Limitations Documentation
About the HCA Drivers
The HP Dual-port 4x Fabric Adapters provide a full suite of upper-layer protocols, including IPoIB,
SDP, SRP, MPI and uDAPL.
IPoIB
IPoIB is a kernel space protocol that it allows applications using the IP network to transparently
transverse the IB fabric. It is used by Socket Direct Protocol (SDP) and User Direct Access
Programming Library (uDAPL) to resolve IP addresses. IPoIB is configured like a normal Ethernet
interface. During the installation process, ib interface names are automatically added to the network
configuration. These correspond to the ports on the HCA.
Socket Direct Protocol
The Socket Direct Protocol (SDP)
,
a kernel space protocol that provides the benefits of IB to
applications using TCP without any recoding, is a
high-performance, zero-copy data-transfer protocol
used for stream-socket networking over an IB fabric. The driver can be configured to automatically
translate TCP to SDP based on source IP, destination, or program name.
uDAPL
The User Direct Access Programming Library (uDAPL) defines a set of APIs that exploits RDMA
capabilities. uDAPL is installed transparently with the driver library. Your application must explicitly
support uDAPL. uDAPL is transparently installed and requires no further configuration. However, if
your application supports uDAPL, it may require additional configuration changes. Please refer to your
application documentation for more information.
SCSI RDMA (SRP)
The SCSCI RDMA (SRP) protocol runs SCSI commands across RDMA-capable networks for IB hosts
to communicate with Fibre Channel storage devices. This information is used to assign devices and
mount file-systems so that the data on those file-systems is accessible to the host.
The SRP driver is installed as part of the driver package, and is loaded automatically upon host reboot.
Use of this protocol requires that a FC gateway be present in the chassis.
MPI
The MPI protocol is bundled with the Upper Layer Protocol (ULP) suite. Topspin has taken the Ohio
State University’s (OSU’s) MVAPICH and created Topspin’s version of this release. However, in
addition, the HCAs also run using other popular IB MPI implementations.
Alternative MPI Implementations