Why EVS?

  • A Range of Disk Options

    Choose from EVS disks with Extreme SSD, Ultra-high I/O, General Purpose SSD, or High I/O. Whatever your storage demands, there is always a great solution at a reasonable price.

    Choose from EVS disks with Extreme SSD, Ultra-high I/O, General Purpose SSD, or High I/O. Whatever your storage demands, there is always a great solution at a reasonable price.

  • Elastic Scalability

    Increase block storage space, even if the disk is currently in use. In just a few clicks, you can scale a system disk up to 1 TB and a data disk up to 32 TB, all without any disruption to your workloads.

    Increase block storage space, even if the disk is currently in use. In just a few clicks, you can scale a system disk up to 1 TB and a data disk up to 32 TB, all without any disruption to your workloads.

  • Unmatched Security and Availability

    Data on EVS disks is encrypted using industry-standard AES-256 encryption. Three copies of data are automatically created and stored on different nodes to ensure your data is always available.

    Data on EVS disks is encrypted using industry-standard AES-256 encryption. Three copies of data are automatically created and stored on different nodes to ensure your data is always available.

  • Extreme SSD
    Extreme SSD

    Our highest performance disks, designed for latency-sensitive transactional workloads. An Extreme SSD disk can sustain up to 128,000 IOPS, a maximum throughput of 1,000 MB/s, and millisecond-level latency.

    Our highest performance disks, designed for latency-sensitive transactional workloads. An Extreme SSD disk can sustain up to 128,000 IOPS, a maximum throughput of 1,000 MB/s, and millisecond-level latency.

  • Ultra-high I/O
    Ultra-high I/O

    High performance disks excellent for I/O-intensive workloads. An Ultra-high I/O disk can sustain up to 50,000 IOPS, a maximum throughput of 350 MB/s, and minimum latency of 1 ms.

    High performance disks excellent for I/O-intensive workloads. An Ultra-high I/O disk can sustain up to 50,000 IOPS, a maximum throughput of 350 MB/s, and minimum latency of 1 ms.

  • General Purpose SSD
    General Purpose SSD

    Cost-effective SSDs ideal for mainstream interactive applications. A General Purpose SSD disk can sustain up to 20,000 IOPS, a maximum throughput of 250 MB/s, and minimum latency of 1 ms.

    Cost-effective SSDs ideal for mainstream interactive applications. A General Purpose SSD disk can sustain up to 20,000 IOPS, a maximum throughput of 250 MB/s, and minimum latency of 1 ms.

  • High I/O
    High I/O

    Low-cost disks suitable for non-business-critical workloads as well as applications that require real-time data storage. A High I/O disk can sustain up to 5,000 IOPS, a maximum throughput of 150 MB/s, and minimum latency of 1 to 3 ms.

    Low-cost disks suitable for non-business-critical workloads as well as applications that require real-time data storage. A High I/O disk can sustain up to 5,000 IOPS, a maximum throughput of 150 MB/s, and minimum latency of 1 to 3 ms.

  • Online Capacity Expansion
    Online Capacity Expansion

    Disk capacity can be expanded on the console or via API, without detaching the disk, allowing for linear performance scaling.

    Disk capacity can be expanded on the console or via API, without detaching the disk, allowing for linear performance scaling.

  • 3-Copy Redundancy
    3-Copy Redundancy

    Three copies of the disk data are distributed and stored on storage nodes across cabinets, ensuring rapid data restoration and 99.9999999% data durability.

    Three copies of the disk data are distributed and stored on storage nodes across cabinets, ensuring rapid data restoration and 99.9999999% data durability.

  • Data Encryption
    Data Encryption

    Encryption is supported for system and data disks with zero application awareness, freeing you from building and maintaining your own key management infrastructure.

    Encryption is supported for system and data disks with zero application awareness, freeing you from building and maintaining your own key management infrastructure.

  • Backup and Restore

    Create backups for your EVS disks, so if data is ever lost or damaged, you can create new EVS disks or restore to the state as of the backup.

    Create backups for your EVS disks, so if data is ever lost or damaged, you can create new EVS disks or restore to the state as of the backup.

  • Real-Time Monitoring

    Monitor disk performance using the free Cloud Eye service, which reports alarms and notifies you by email or SMS so you can handle the issues in a timely manner.

    Monitor disk performance using the free Cloud Eye service, which reports alarms and notifies you by email or SMS so you can handle the issues in a timely manner.

  • Data Sharing

    Set up a shared file system or a cluster management system to allow concurrent access to one shared EVS disk from up to 16 cloud servers. Shared EVS disks are ideal for running clustered or high-availability applications.

    Set up a shared file system or a cluster management system to allow concurrent access to one shared EVS disk from up to 16 cloud servers. Shared EVS disks are ideal for running clustered or high-availability applications.

  • Auto Backup
    Auto Backup

    Associate disks with a backup vault and apply a backup policy to the vault so disks are automatically backed up based on that policy.

    Associate disks with a backup vault and apply a backup policy to the vault so disks are automatically backed up based on that policy.

  • On-demand Backup
    On-demand Backup

    Manually back up disks at any specified point in time on the console or via API when needed.

    Manually back up disks at any specified point in time on the console or via API when needed.

  • Restoration
    Restoration

    Restore your disk data to the desired backup time or batch create new data disks from a backup for rapid deployment.

    Restore your disk data to the desired backup time or batch create new data disks from a backup for rapid deployment.

  • Performance Data Monitoring
    Performance Data Monitoring

    View real-time disk performance metrics on Cloud Eye.

    View real-time disk performance metrics on Cloud Eye.

  • Alarm Rules
    Alarm Rules

    Define alarm rules and set automatic reminders based on your business needs.

    Define alarm rules and set automatic reminders based on your business needs.

  • Data Sharing
    Data Sharing

    Sharing allows an EVS disk to be concurrently attached to up to 16 cloud servers, making it easier to achieve high concurrency, performance, and reliability for clustered and mission-critical applications.

    Sharing allows an EVS disk to be concurrently attached to up to 16 cloud servers, making it easier to achieve high concurrency, performance, and reliability for clustered and mission-critical applications.

Use Cases

High-Performance Computing

EVS disks with Extreme SSD or Ultra-high I/O are ideal for distributed file systems like Lustre. Such disks offer the read/write performance powerful enough to meet even the most demanding throughput requirements.


Advantages

  • Ultra-high Performance

    Up to 128,000 IOPS and 1,000 MB/s throughput per disk

  • Ultra-low Latency

    Sub-millisecond latency

  • Multi-Terabyte Storage

    Up to 32 TB per disk

Related Services

NoSQL or Relational Databases

EVS disks with Extreme SSD or Ultra-high I/O are excellent for I/O-intensive, latency-sensitive databases like SQL Server, MySQL, and SAP HANA. They offer consistent low latency and can be flexibly scaled to address your performance requirements.


Advantages

  • Ultra-high Performance

    Up to 128,000 IOPS and 1,000 MB/s throughput per disk

  • Ultra-low Latency

    Sub-millisecond latency

  • Multi-Terabyte Storage

    Up to 32 TB per disk 

Related Services

Clustered Applications

EVS disks can be created as shared disks to run clustered mission- or business-critical applications, like Microsoft Windows Server Failover Clustering (WSFC) and Oracle RAC.


Advantages

  • High Performance

    Shared EVS disks with Bare Metal Servers provide the highest possible read/write performance for your clustered applications.

  • Share with Multiple Servers

    One shared EVS disk can be attached to a maximum of 16 cloud servers.

  • High Durability

    Three copies of data are automatically created and saved to ensure 99.9999999% data durability.

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Enterprise Software Systems

EVS disks with General Purpose SSD offer solid performance at a cost-effective price for enterprise software systems such as SAP, Microsoft Exchange, and Microsoft SharePoint.


Advantages

  • Highly Durable

    Three copies of data are automatically created and saved to ensure 99.9999999% data durability.

  • Seamlessly Scalable

    EVS disks can be seamlessly scaled to address growing business requirements.

  • Multi-Terabyte Storage

    Up to 32 TB per disk

Related Services

Development & Test Environments

EVS disks with General Purpose SSD or High I/O are suitable for development and test environments.


Advantages

  • Highly Durable

    Three copies of data are automatically created and saved to ensure 99.9999999% data durability.

  • Seamlessly Scalable

    EVS disks can be seamlessly scaled to address growing business requirements.

  • Multi-Terabyte Storage

    Up to 32 TB per disk

Related Services

Video Library

Buying an Elastic Volume Service Disk

Buying an Elastic Volume Service Disk

Deleting Elastic Volume Service Disks (Data Disks)

Deleting Elastic Volume Service Disks (Data Disks)

Expanding an Available Elastic Volume Service Disk

Expanding an Available Elastic Volume Service Disk

Expanding an In-use Elastic Volume Service Disk

Expanding an In-use Elastic Volume Service Disk

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