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Basic Storage Service Configuration Guide for Block

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, 6800F V5, 18500 V5, 18800 V5, 18500F V5, and 18800F V5. It describes the basic storage services and explains how to configure and manage them.
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Planning Networks

Planning Networks

To ensure host connectivity and storage system access security, properly plan the network and secure authentication.

Planning the Network

Hosts and storage systems can be connected in various modes. For details about connection modes, see "Planning Connectivity" in the Huawei SAN Storage Host Connectivity Guide for XXX. XXX represents a specific operating system, for example, Windows.

(Optional) Planning iSCSI CHAP

Plan iSCSI CHAP to control access to a storage system.

CHAP is a method of verifying the identity of the peer using a 3-way handshake. This verification is based on a ciphertext or cipher key.

  1. During the establishment of a link, the authenticator sends a random challenge message to the peer.
  2. The peer encrypts the random challenge message using the password and algorithm and responds with the ciphertext.
  3. The authenticator checks the response against its own ciphertext obtained by encrypting the random challenge message using the peer's password and algorithm that have been saved. If the two ciphertexts match, the authentication is acknowledged. Otherwise, the connection is terminated.

After CHAP authentication is enabled on a storage system, you must enter the CHAP user name and password when accessing the storage system from an application server.

When planning CHAP, note the following:

  • User name for CHAP authentication
    • The name must contain 4 to 223 characters.
    • The name can contain letters, digits, and special characters. Special characters include:


    • The first character must be a letter or digit.
  • Password for CHAP authentication
    • The password must contain 12 to 16 characters.
    • The password must contain three of the following four types of characters:
      • Uppercase letters
      • Lowercase letters
      • Digits
      • Special characters (including space)


    • The password must not be the same as the CHAP user name or the reverse of the user name.
  • Mapping between CHAP user accounts and initiators

    CHAP user accounts must be created and assigned to corresponding initiators.

Updated: 2019-08-30

Document ID: EDOC1000181506

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