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FusionCloud 6.3.1.1 Solution Description 04

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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).
Advantages

Advantages

  • Varying specifications

    EVS disks of different performance levels are provided. You can choose and configure EVS disks of appropriate performance levels to meet your service requirements.

  • Scalable

    EVS disks provide ultra-large block storage and a single EVS disk has a maximum capacity of 64 TB (in the KVM scenario) or 32 TB (in other scenarios). You can expand the capacity of EVS disks on running ECSs to meet your increasing service requirements.

    • On-demand expansion

      You can expand the capacity of EVS disks based on your needs, with at least 1 GB added at a time.

    • Linear performance improvement

      You can expand the capacity of EVS disks on running ECSs to implement linear performance improvement, thereby meeting your service requirements.

  • Secure and reliable

    Distributed storage is adopted, and data is stored in multiple identical copies, ensuring zero data loss. Data durability reaches 99.9999999%.

  • Backup and restoration

    Functions, such as EVS disk backup and EVS disk snapshot, are supported to prevent incorrect data caused by application exceptions or attacks.

    • EVS disk backup

      This function enables the system to create EVS disk backups. The backups can be used to roll back EVS disks, maximizing user data accuracy and security and ensuring service availability.

    • EVS disk snapshot

      This function enables the system to create snapshots for EVS disks. A snapshot can be used to roll back an EVS disk to the state when the snapshot is created, maximizing data accuracy and security and ensuring service availability.

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Updated: 2019-10-23

Document ID: EDOC1100063247

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