High Reliability

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

High Performance

A disk can sustain up to 33,000 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, and pay-per-use option.

Rich Features

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

Application Scenarios

  • High-Performance Computing

  • Data Warehouses

  • NoSQL/Relational Databases

  • Enterprise Office Applications

  • Dev & Test Environments

High-Performance Computing

Dev & Test Environments

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.

Advantages

  • Ultra-high Performance

    Up to 33,000 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

Related Services

ECS

EVS

VPC

Data Warehouses

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.

Advantages

  • Ultra-high Performance

    Up to 33,000 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

Related Services

ECS

EVS

VPC

NoSQL/Relational Databases

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.

Advantages

  • Ultra-high Performance

    Up to 33,000 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

Related Services

ECS

EVS

VPC

Enterprise Office Applications

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.

Advantages

  • 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

Related Services

ECS

EVS

VPC

Dev & Test Environments

Dev & Test Environments

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

Advantages

  • 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

Related Services

ECS

EVS

VPC

Functions

Rich Specifications

EVS provides common I/O, high I/O, and ultra-high I/O disk types to meet different service requirements.

  • 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.

Elastic Scalability

Each EVS disk can be expanded up to 32 TB in 1 GB increments.

  • 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.

Security and Reliability

Distributed storage and encryption ensure reliability and protection of data.

  • 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.

Backup and Restoration

Any EVS disk or server can be backed up to prevent incorrect data caused by application exceptions or attacks.

  • Disk Backup

    EVS disks support point-in-time backups, ensuring data security and correctness and service continuity.

  • Server Backup

    Servers can be backed up.

Real-Time Monitoring

EVS supports real-time monitoring of health and running status of disks through Cloud Eye.

  • 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.

Recommended Configurations

Ultra-high I/O EVS Disks

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

Specifications
Max. IOPS per disk 33,000
Max. throughput per disk 350 MB/s
Read/write latency 1 ms
Max. capacity per disk 32 TB
Data durability 99.99999%
Scenarios
High-Performance Computing
Data Warehouses
NoSQL
Relational Database
$0.154 USD/GB-month
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High I/O EVS Disks

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

Specifications
Max. IOPS per disk 5,000
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%
Scenarios
Enterprise Applications
Large and Medium-scale Development and Test
Web Server Log
$0.054 USD/GB-month
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Common I/O EVS Disks

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

Specifications
Max. IOPS per disk 2,200
Max. throughput per disk 90 MB/s
Read/write latency 5 ms to 10 ms
Max. capacity per disk 32 TB
Data durability 99.99999%
Scenarios
Office Applications
Small-scale Development and Test
$0.046 USD/GB-month
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