Huawei OceanStor 18500 V5 — Product Information List (Expanded Edition)

1. Product Overview

The Huawei OceanStor 18500 V5 is a flagship-tier, mission-critical hybrid flash storage system within the OceanStor 18000 V5 series. It is purpose-built to deliver the highest level of data services for enterprise core businesses that demand uncompromising reliability, performance, and scalability.

At its foundation lies Huawei’s industry-leading SmartMatrix 2.0 system architecture, a fully interconnected, gateway-free design that enables seamless active-active configurations across multiple controllers. This architecture, combined with deep flash-oriented optimization technologies, achieves an industry-leading 99.9999% availability , ensuring continuous service operation for customers with zero tolerance for downtime.

The OceanStor 18500 V5 supports up to 16 controllers and scales to a maximum system cache of 16 TB, with a maximum raw disk capacity supporting 6,400 2.5-inch drives . The system delivers outstanding performance suitable for the most demanding workloads, with latency maintained below 1 millisecond .

Its comprehensive software suite addresses the full spectrum of data storage requirements, including large-database OLTP/OLAP, cloud computing, virtualization, and other mission-critical applications. The OceanStor 18500 V5 is widely deployed across government, finance, telecommunications, and manufacturing sectors, providing the reliability and performance required for core business continuity .

Key Positioning:

• Reliability: Gateway-free converged active-active solution with 99.9999% availability

• Performance: Flash-optimized system design for rapid response to core business demands

• Scalability: Flexible expansion up to 16 controllers and 16 TB cache

• Intelligence: Full-lifecycle management through eService and hybrid cloud solutions

2. Detailed Technical Specifications

The following table presents the comprehensive technical parameters of the OceanStor 18500 V5, with comparison to the higher-tier 18800 V5 model where relevant.

3. Additional Technical Details and Operational Characteristics

3.1 Host LUN ID Range

For the OceanStor 18500 V5, the host LUN ID range is 0 to 4095 , allowing extensive flexibility in LUN mapping and presentation to connected hosts.

3.2 Disk Firmware Upgrade Capabilities

The system supports both online and offline disk firmware upgrade modes. Online upgrades can be performed on all disks or targeted at specific disk IDs without interrupting services. The upgrade process supports FTP and SFTP protocols, with SFTP recommended for secure data transmission .

3.3 Operational Reliability Features

The OceanStor 18500 V5 is engineered for continuous operation with redundancy built into critical components. Its gateway-free active-active architecture eliminates single points of failure, and the SmartMatrix 2.0 design ensures that controller failures do not disrupt service availability .

3.4 Known Operational Scenarios

Field experience with the OceanStor 18500 V5 has documented scenarios involving dual-active link jitter and split-brain conditions, as well as arbitration link interruptions affecting VDI desktop pools . These scenarios highlight the importance of proper network configuration and monitoring for mission-critical deployments.

3.5 Energy-Related Product Information (Kunpeng Variant)

For the Kunpeng-based variant (OceanStor 18500 V5 Kunpeng), power supply efficiency ratings range from approximately 85% to 96% depending on load conditions and PSU model. Declared operating condition class is A2 for bay-delivered equipment and A3 for enclosure-delivered equipment .

Note: This document contains no warranty-related content as requested. All information is presented in English for technical reference purposes. Specifications are subject to change without notice; refer to official Huawei documentation for the most current data.