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Basic Storage Service Configuration Guide for Block

OceanStor Dorado V3 Series V300R002

This document is applicable to OceanStor Dorado3000 V3, Dorado5000 V3, Dorado6000 V3, and Dorado18000 V3. It describes the basic storage services and explains how to configure and manage them.
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FCoE Networking

FCoE Networking

This section introduces how to establish FCoE connections.

Configuring FCoE Switches

FCoE protocol allows Fibre Channel frames to be transmitted over Ethernet. In an FCoE solution, Ethernet cards and FCoE Forwarder (FCF) switches that support the FCoE protocol are used to achieve I/O consolidation. FCF switches replace the traditional Ethernet switches and Fibre Channel switches, greatly reducing the number of NICs, switches, and cables, alleviating maintenance workload, and cutting the TCO. This section describes how to configure FCoE switches.

Prerequisites
  • FCoE interface modules (four-port) or SmartIO interface modules have been installed on storage systems.
NOTE:

The SmartIO interface module supports FC and Ethernet modes for host service connections. When SmartIO interface modules work in Ethernet mode, the corresponding switches must work in Intel DCBX (CEE) mode because FCoE only supports the Intel DCBX (CEE) mode. For details on how to check and modify the mode, see the product documentation of the switches used for your site. When SmartIO interface modules work in Ethernet mode, the networking is the same as four-port FCoE interface modules.

  • FCoE converged network adapters (CNAs) or Fibre Channel HBAs have been installed on servers.
Context

To implement lossless Ethernet on a converged data center network, both ends of an FCoE link must have the same priority-based flow control (PFC) and enhanced transmission selection (ETS) parameter settings. Data Center Bridging eXchange (DCBX), as a link discovery protocol, enables DCB devices at both ends of a link to discover and exchange DCB configurations, reducing workloads for administrators. Two standards are available for DCBX protocol: IEEE DCBX and Intel DCBX. When a switch connects to a different manufacturer's device, the two devices must use the same DCBX version. Otherwise, DCBX negotiation will fail.

The following uses a Cisco Nexus 5010 FCoE switch as an example to introduce how to configure FCoE switches.

Procedure
  1. Enable FCoE on the switch.

    configure terminal 
    feature fcoe 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show fcoe

  2. Configure 10GE ports.

    configure terminal 
    interface ethernet 1/1 
    switchport mode trunk 
    spanning-tree port type edge trunk 
    no flowcontrol receive 
    no flowcontrol send 
    priority-flow-control mode auto 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show interface ethernet 1/1

  3. Create a VFC interface and bond it to the corresponding 10GE port.

    configure terminal 
    interface vfc 1 
    bind interface ethernet 1/1 
    no shutdown 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show interface vfc 1

  4. Create a VSAN.

    A SAN network is segmented into multiple logical SAN networks (VSAN). VSANs are separated from each other and provide services independently, enhancing network adaptability and security with more efficient services.

    configure terminal 
    vsan database 
    vsan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show vsan 100

  5. Create an FCoE VLAN and map it to a VSAN.

    configure terminal 
    vlan 100 
    fcoe vsan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show vlan fcoe

  6. Add a 10GE port to the VLAN.

    configure terminal 
    interface ethernet 1/1 
    switchport trunk allowed vlan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show vlan

  7. Add a VFC port to the corresponding VSAN.

    configure terminal 
    vsan database 
    vsan 100 interface vfc 1 (vsan 100 interface fc1/43) 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show vsan membership

Configuring Zones

A VSAN is further divided into zones. Different N_Ports (from servers or storage systems) are added to the zones for different purposes. N_Ports in different zones are separated for access control.

Prerequisites

A VSAN has been created.

If a host port and corresponding storage port cannot reside in the same zone, you are advised to configure zones to isolate high-throughput services (such as backup services) and real-time services to minimize impacts on real-time services caused by bandwidth preemption.

Context
  • A zoneset is a group of zones. A zone consists of zone members. Each member is an N_port. An N_port member can be identified by its PWWN (the WWN of an N_port) and FC address.
  • A VSAN can have multiple zonesets. A zoneset can contain multiple zones. A zone can have multiple members.
  • A VSAN can have only one active zoneset at a time.
  • It is recommended that a zone member belong to only one zone.
Procedure
  1. Create a zoneset.

    configure terminal 
    zoneset name zoneset100 vsan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show zoneset

  2. Create a zone.

    configure terminal 
    zone name zone100 vsan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show zone

  3. Add the zone to the zoneset.

    configure terminal 
    zoneset name zoneset100 vsan 100 
    member zone100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show zoneset

  4. Add members (N_Ports) to the zone.

    configure terminal 
    zone name zone100 vsan 100 
    member interface fc2/1 
    member pwwn hh:hh:hh:hh:hh:hh:hh:hh 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show zone

  5. Activate the zoneset.

    configure terminal 
    zoneset activate name zoneset100 vsan 100 
    exit     

    After the configuration is complete, run the following command to verify the configuration:

    show zoneset activate

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Updated: 2019-07-17

Document ID: EDOC1100049139

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