Elastic Volume Service (EVS)

High Reliability (9 Nines)

3-copy redundancy delivers 99.9999999% durability

120,000+ IOPS

Up to 128,000 IOPS and 1,000 MiB/s of throughput for a single EVS disk

32 TiB Capacity

Up to 32 TiB for a single EVS disk and online disk capacity expansion

Advanced Encryption AES-256

AES-256 encryption, secure and agile and imperceptible to applications

Highly Durable Block Storage with a Variety of Disk Types

Highly Durable Block Storage with a Variety of Disk Types

  • Extreme SSD
  • Ultra-high I/O
  • General Purpose SSD
  • High I/O
Extreme SSD

For workloads demanding ultra-high bandwidth and ultra-low latency

Large-sized OLTP databases

NoSQL databases

Stream and log processing

Max. IOPS per disk
128,000
Max. throughput per disk
1,000 MiB/s
From $0.48
USD/GiB-month
Ultra-high I/O

For enterprise mission-critical services as well as workloads demanding high throughput and low latency

High-performance computing

Data warehouses

Large- and medium-sized databases

Max. IOPS per disk
50,000
Max. throughput per disk
350 MiB/s
From $0.22
USD/GiB-month
General Purpose SSD

Cost-effective disks for enterprise systems with medium performance requirements

Enterprise applications

Large- and medium-scale dev & testing

System disks

Max. IOPS per disk
20,000
Max. throughput per disk
250 MiB/s
From $0.104
USD/GiB-month
High I/O

Disks suitable for commonly accessed workloads

Small- and medium-scale dev & testing

Web server logs

Office applications

Max. IOPS per disk
5,000
Max. throughput per disk
150 MiB/s
From $0.047
USD/GiB-month

Why Huawei Cloud EVS?

Why Huawei Cloud EVS?

Use Cases

Use Cases

NoSQL/Relational Databases
NoSQL/Relational Databases

Extreme SSD and Ultra-high I/O EVS disks are excellent for read/write-intensive databases and data warehouses like SQL Server, MySQL, RAC, and SAP HANA.

Advantages
Ultra-high Performance

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

Ultra-low Latency

Sub-millisecond latency

Multi-Terabyte Storage

Up to 32 TiB per EVS disk

Related Services
Enterprise Clustered Applications
Enterprise 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.

Shareable with Multiple Servers

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

Highly Durable

Three copies of data ensure 99.9999999% data durability.

Related Services
Enterprise Software Systems
Enterprise Software Systems

General Purpose SSD EVS disks are a cost-effective option that delivers solid performance for enterprise software systems such as SAP, Microsoft Exchange, and Microsoft SharePoint.

Advantages
Highly Durable

Three copies of data ensure 99.9999999% data durability.

Seamlessly Scalable

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

Multi-Terabyte Storage

Up to 32 TiB per EVS disk

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Development & Testing Environments
Development & Testing Environments

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

Advantages
Highly Durable

Three copies of data ensure 99.9999999% data durability.

Seamlessly Scalable

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

Multi-Terabyte Storage

Up to 32 TiB per EVS disk

Related Services

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