HP Mellanox SX1018 Converged Networks and Fibre Channel over Ethernet
HP Mellanox SX1018 Manual
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- HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 1
networks 2 Data Center Bridging 3 Fibre Channel over Ethernet (FCoE) 3 Challenges for end-to-end network convergence 4 Servers 4 Direct-attach storage 5 Storage Area Network 5 iSCSI: SANs using TCP/IP networks 5 Cluster interconnects 5 Approaches to converged data center networks - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 2
HP has successfully implemented converged Fibre Channel over Ethernet (FCoE) networks at the server edge using top-of-rack (ToR) switches clustering in the "Cluster interconnects" section later in this paper. Figure 1: Converged network, storage, and cluster traffic flows over 10GbE links. 1 You can - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 3
means that smaller servers (including blades) with fewer available option card ): 802.1Qaz supports discovery and configuration of network devices that support PFC and ETS supports end-to-end flow control in a switched LAN infrastructure and helps eliminate sustained, heavy congestion in an Ethernet - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 4
Ethernet switch with DCB, legacy Ethernet, and legacy Fibre Channel ports. Examples of FCFs include HP VC FlexFabric modules and HP Networking 5820X top-ofrack access switches ' business objectives and service level agreements. The first and the number of interconnects providing that first hop - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 5
servers. HP ProLiant BL G7 and Gen8 blade servers have embedded CNAs, called FlexFabric adapters, which eliminate some hardware costs associated with separate network fabrics. Dual-port, multifunction FlexFabric adapters are both Ethernet and host bus adapters, depending on user configuration. These - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 6
Manual approach. HP is more switch segment and strives to provide unique and sometimes proprietary options for an all Cisco infrastructure remain open and flexible wherever possible to maintain compatibility with existing dc architectures support any standards-based upstream network for Ethernet - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 7
more than a basic NIC; a switch with an FCF costs more than a basic Ethernet switch. In other words, an end- (LOM). Including a CNA LOM on a blade server, as HP does on its latest models, enables Fibre Channel configuration QCN FCF in each switch hop Same multi-hop limitations as FC SANs 7 - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 8
, whether that is fixed assignment of space to ports and classes of service, or quotas for how much each of those can take from a shared pool. FIP snooping is a feature of the intermediate Ethernet switch in a two hop configuration. In simple terms, FIP snooping is part of an overall security design - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 9
switches from a single vendor. • Every switch in the data center requires Fibre Channel switch firmware. The connections between those switches are Virtual Ethernet * Limited support for FCF-per-hop makes it a proprietary, single-vendor approach for the immediate future. Using HP Flat SAN - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 10
Ethernet connected storage alternatives. Ethernet HP IBRIX) runs on some of the nodes, with applications accessing data as files over the network. To reduce cost and make latency/throughput blade Service Server (iSNS) instead of the higher priced Fibre Channel switch can only support one technology - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 11
congestion management (using Congestion Notification to traffic from FCF to FCF as switch hops are traversed). At best, this makes the industry direction for multi risk, and ROI. Consider adopting technologies like the FC-based HP 3PAR Flat SAN technology Systems that operate within the proven single - HP Mellanox SX1018 | Converged Networks and Fibre Channel over Ethernet - Page 12
over Ethernet and Data Center Bridging technology brief HP Virtual Connect Direct-Attach Fibre Channel for HP 3PAR Storage Systems solutions brief HP FlexFabric Networks web portal OpenFlow - Software-Defined Network Web address http://h20000.www2.hp.com/bc/docs/support/SupportManual/c03094466
Technical white paper
Converged Networks and Fibre Channel over
Ethernet
Table of contents
Abstract
2
Introduction
2
Converged networks
2
Data Center Bridging
3
Fibre Channel over Ethernet (FCoE)
3
Challenges for end-to-end network
convergence
4
Servers
4
Direct-attach storage
5
Storage Area Network
5
iSCSI: SANs using TCP/IP networks
5
Cluster interconnects
5
Approaches to converged data center
networks
5
Convergence strategies
6
Cost structure
7
Congestion and flow control
7
FCoE and DCB progress and challenges
ahead
8
Using HP Flat SAN technology to
enhance single hop FCoE
9
Evolution of storage
10
Conclusion
11
For more information
12