Elastic Volume Service

persistent block storage for your server

What Is Elastic Volume Service?

Elastic Volume Service

Elastic Volume Service (EVS) provides persistent block storage for services such as Elastic Cloud Server (ECS) and Bare Metal Server (BMS). With advanced data redundancy and cache acceleration capabilities, EVS offers high availability and durability with an extremely low latency.

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High Reliability

Three copies of data ensure 99.99999% availability and durability, and security.

High Performance

A disk can sustain up to 20,000 IOPS, and have a max. throughput of 350 MB/s and min. latency of 1 ms.

Flexibility

Ultra-large block storage (Max 32 TB per disk), dynamic online capacity expansion.

Rich Features

Features include disk sharing, disk encryption, disk and server backups, and snapshots.

Recommended Configurations

Ultra-high I/O EVS Disks

For scenarios requiring ultra-high I/O, ultra-large throughput, and ultra-low latency.

  • Max. IOPS per disk 20,000
  • Max. throughput per disk 350 MB/s
  • Read/write latency 1 ms
  • Max. capacity per disk 32 TB
  • Data durability 99.99999%

High I/O EVS Disks

For scenarios requiring high I/O, large throughput, and low latency.

  • Max. IOPS per disk 3,000
  • Max. throughput per disk 150 MB/s
  • Read/write latency 1 ms to 3 ms
  • Max. capacity per disk 32 TB
  • Data durability 99.99999%

Common I/O EVS Disks

For scenarios with fewer transactions and requiring large capacity, and normal I/O and latency.

  • Max. IOPS per disk 1,000
  • Max. throughput per disk 90 MB/s
  • Read/write latency 5 ms to 10 ms
  • Max. capacity per disk 32TB
  • Data durability 99.99999%

Elastic Volume Service Functions

  • Common I/O EVS Disks
    Suitable for scenarios that feature few transactions and require large capacity and normal read/write speed.
  • High I/O EVS Disks
    Suitable for scenarios that require high performance, high read/write speed, and real-time data storage.
  • Ultra-high I/O EVS Disks
    Suitable for intensive read/write scenarios that require extremely high performance and read/write speed, and low latency.
  • On-Demand Capacity
    Each EVS disk has an initial capacity of 10 GB, and can be expanded in 1 GB increments.
  • Linear Performance Scaling
    Linear performance scaling can be achieved with capacity expansion.
  • Three Copies of Data
    Distributed storage with multiple data replicas ensures 99.99999% availability.
  • Data Encryption
    System disks and data disks support data encryption with zero application awareness.
  • Disk Backup
    EVS disks support point-in-time backups, ensuring data security and correctness and service continuity.
  • Server Backup
    Servers can be backed up.
  • Performance Data Monitoring
    The read/write speeds and throughput of EVS disks can be monitored in real time.
  • Alarm Rules
    EVS supports user-defined alarm rules and automatic reminders.

Volume Backup Service Application Scenarios

High-Performance Computing

Applies to distributed file systems, such as Lustre and GPFS, which require high-performance storage. Ultra-high I/O EVS disks meet extremely high throughput and read/write speed requirements.

  • Ultra-high Performance
    Up to 20,000 IOPS and 350 MB/s throughput per disk
  • Ultra-low Latency
    Down to 1 ms access latency
  • Multi-Terabyte Capacity
    Up to 32 TB per disk

Data Warehouses

Applies to read-intensive applications such as Oracle RAC and SAP HANA. Ultra-high I/O EVS disks meet low latency and extremely high throughput and read/write speed requirements.

  • Ultra-high Performance
    Up to 20,000 IOPS and 350 MB/s throughput per disk
  • Ultra-low Latency
    Down to 1 ms access latency
  • Multi-Terabyte Capacity
    Up to 32 TB per disk

NoSQL/Relational Databases

Applies to read/write intensive databases such as MongoDB, Oracle, SQL Server, MySQL, and PostgreSQL. Ultra-high I/O EVS disks meet low latency and extremely high read/write speed requirements.

  • Ultra-high Performance
    Up to 20,000 IOPS and 350 MB/s throughput per disk
  • Ultra-low Latency
    Down to 1 ms access latency
  • Multi-Terabyte Capacity
    Up to 32 TB per disk

Enterprise Office Applications

Applies to enterprise office applications such as SAP, Microsoft Exchange, and Microsoft SharePoint. High I/O EVS disks meet diverse enterprise office requirements.

  • High Reliability
    Three copies of data, ensuring 99.99999% data durability.
  • High Scalability
    Capacity expansion with linear performance scaling.
  • Multi-Terabyte Capacity
    Up to 32 TB per disk

Dev & Test Environments

Applies to development and test environments. Common I/O EVS disks meet development and test environment requirements.

  • High Reliability
    Three copies of data, ensuring 99.99999% data durability.
  • High Scalability
    Capacity expansion with linear performance scaling.
  • Multi-Terabyte Capacity
    Up to 32 TB per disk

For additional information about our elastic volume service or if you have some specific requirements please let's talk with your JPStream Account Executive. Contact Us

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