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OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003 Basic Storage Service Guide for File 16

"This document describes the basic storage services and explains how to configure and managebasic storage services."

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Planning Networks

Planning Networks

The network security settings of the storage system must be planned properly to ensure that application servers can safely, reliably, and efficiently access shared files.

  • If you want to enable the IP address failover function (IP address failover is used to improve reliability of links) before configuring basic storage services, you must reserve at least two ports (Ethernet port and VLAN port or bond port) available for IP address failover and ensure that IP addresses are not configured for the ports. When a port fails, services can be smoothly switched to the other port.
  • For details about how to configure and manage IP address failover, see OceanStor 18500 V3&18800 V3 Mission Critical Storage System V300R003 IP Address Floating Deployment Guide.

Planning Ethernet Ports

Ethernet ports are ports physically visible on a device. They are the bases of virtual local area networks (VLANs), bond ports and logical ports.

Bond Ports

Port bonding provides more bandwidth and redundancy for links. After Ethernet ports are bonded, MTU changes to the default value and you must set the link aggregation mode for the ports. On Huawei switches, you must set the ports to work in static LACP mode.
  • The port bond mode of a storage system has the following restrictions:
    • On the same controller, a bond port is formed by a maximum of eight Ethernet ports.
    • Only the interface modules with the same port rate (GE or 10GE) can be bonded.
    • The port cannot be bonded across controllers. Non-Ethernet network ports cannot be bonded.
    • SmartIO cards cannot be bonded if they work in cluster or FC mode or run FCoE service in FCoE/iSCSI mode.
    • The MTU value of the SmartIO port must be the same as that of the host.
    • Read-only users are unable to bind Ethernet ports.
    • Each port can be added only to one bond port.
    • Physical ports are bonded to create a bond port that cannot be added to the port group.
  • Although ports are bonded, each host still transmits data through a single port and the total bandwidth can be increased only when there are multiple hosts. Determine whether to bond ports based on site requirements.
  • The link aggregation modes vary with switch manufacturers. If a non-Huawei switch is used, contact technical support of the switch manufacturer for specific link aggregation configurations.

Planning VLANs

VLANs logically divide the physical Ethernet port resources of the storage system into multiple broadcast domains. In a VLAN, when service data is being sent or received, a VLAN ID is configured for the data, so that the networks and services of VLANs are isolated, further ensuring service data security and reliability.

VLANs are created based on Ethernet ports or bond ports. One physical port can belong to multiple VLANs. A bond port instead of one of its bonded physical Ethernet port can be used to create a VLAN.

Planning Logical Ports

Logical ports, used for NAS service operation, are created based on Ethernet ports, bond ports, or VLANs.
  • A physical port can be configured with logical ports on the same or different network segments.
  • Different physical ports on a controller can be configured with logical ports on the same or different network segments.
  • If logical ports are created based on Ethernet network ports, bond ports, or VLAN ports, ensure that IP addresses are not configured for the ports.
  • If logical ports are created based on Ethernet network ports, bond ports, or VLAN ports, the Ethernet network ports, bond ports, or VLAN ports can only be used for one storage service, block storage service, or file system storage service.
  • You must specify a primary port for logical port. If the primary port fails, services will fail over to a functional port.
  • You must activate logical port before using it.
Updated: 2019-08-14

Document ID: EDOC1000084081

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