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OceanStor 2200 V3 and 2600 V3 Storage System V300R005 SmartVirtualization Feature Guide 07

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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).
Introduction

Introduction

This section describes the background, definition, and benefits of SmartVirtualization.

Background

With an ever-increasing amount of user data, how to properly manage and expand storage systems becomes important, and the following issues must be addressed:
  • If a user wants to buy a new storage system to replace an existing storage system, service data must be migrated from the existing system to the new storage system. The incompatibility between different storage systems may cause a long data migration period or even a migration failure.
  • If a user purchases a new storage system and manages multiple storage systems in a decentralized manner, the maintenance cost increases and storage resources of these storage systems cannot be effectively consolidated or managed as the number of storage systems increases.
Using SmartVirtualization can address the previous issues. Physical attributes of different storage systems are shielded to achieve easy configuration and management and efficient storage resource usage.

Definition

SmartVirtualization is a heterogeneous virtualization feature developed by Huawei. When a local storage system (OceanStor 2200 V3/2600 V3 storage system) is connected to another type of Huawei storage system or a third-party storage system, this feature enables the local storage system to use and manage storage resources of the peer storage system as local storage resources despite of the different software and hardware architectures.

SmartVirtualization is only supported for LUNs (block services).

SmartVirtualization resolves the incompatibility issues among heterogeneous storage systems, so users can manage heterogeneous storage systems and use storage resources from legacy and new storage systems, protecting customer investments.
NOTE:

SmartVirtualization allows you to manage storage resources on heterogeneous storage systems but does not allow you to configure heterogeneous storage systems.

Heterogeneous storage systems can be taken over in either online or offline mode. In offline mode, services on the application servers need to be suspended. This mode can be used for all compatible Huawei storage systems and third-party storage systems. The online mode can be used for compatible Huawei storage systems only.
SmartVirtualization has the following advantages:
  • Excellent compatibility: A local storage system is compatible with mainstream heterogeneous storage systems, helping centrally plan and manage their storage resources.
  • Low storage space occupation: When a local storage system uses the storage space provided by LUNs in a heterogeneous storage system (external LUNs for short), the local storage system does not generate complete copies for physical data, so the storage space of the local storage system will not be wasted.
  • Diversified value-added functions supported: In addition to using external LUNs as local storage resources, a local storage system can configure value-added functions such as remote replication and snapshot for these LUNs to ensure high security and reliability of service data.

Benefits

Table 1-1 describes the benefits provided by SmartVirtualization.
Table 1-1  Benefits

Benefit

Description

Resolving the incompatibility issues among heterogeneous storage systems and simplifying storage management

SmartVirtualization resolves the incompatibility issues among heterogeneous storage systems, so users can directly use a local storage system to manage heterogeneous storage resources without performing operations in these systems one by one.

Integrating storage space and simplifying space allocation

After using SmartVirtualization, you can enable a local storage system to take over storage resources of a heterogeneous storage system and use the local storage system to manage and allocate storage space of the heterogeneous storage system, simplifying space allocation across different storage systems and consolidating storage resources of multiple storage systems.

Reuse legacy storage systems to maximize the ROI

After legacy storage systems are replaced with new storage systems, you can still reuse the legacy storage systems for disaster recovery with the new storage systems, maximizing the ROI.

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Updated: 2018-12-29

Document ID: EDOC1000106155

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