Huawei 03050LVP Storage Control Module (STL6SPCBB198) for OceanStor Dorado 6000

The 03050LVP Control Module is a replacement storage controller node for the Huawei OceanStor Dorado 6000 all-flash system, supplied under model code STL6SPCBB198. It is the component that runs the array’s control plane, serves host I/O, and manages the back-end flash. When a controller fails and redundancy is lost, this is the module that restores it.

Key Specifications

What the Control Module Actually Does

Every read and write on the array passes through the control module: it terminates host connections, runs the caching and tiering logic, manages RAID protection, and drives the back-end SSDs. It also reports health, performance, and event data to the management plane. A degraded controller is therefore not a cosmetic fault — it halves your processing headroom and removes the safety net that keeps the array online during maintenance.

Dual-Controller Redundancy: Why One Failure Matters

Dorado 6000 systems normally run two control modules in an active-active pair, each taking half the workload and mirroring cache state to the other. If one fails, the survivor absorbs the full load. The array keeps serving I/O, but with no redundancy, elevated temperatures, and reduced performance — and any second event risks data unavailability. Replacing the failed module promptly is the whole point of the design.

Firmware and Pairing: Read Before You Swap

Controller replacement is not a disk swap. Before ordering or installing, confirm three things: the model code on your existing module matches STL6SPCBB198, the replacement’s firmware level is compatible with the surviving controller, and your service procedure has been reviewed for the specific Dorado 6000 release you run. Mismatched firmware between an active and a replacement controller can prevent the pair from forming properly. If you are unsure, send us a photo of the module label and your current firmware version, and we will confirm fitment before you commit.

Serviceable in a Redundant Configuration

In a healthy dual-controller array, a control module can be replaced following Huawei’s documented service procedure without taking the whole system offline. The surviving controller continues to serve hosts during the swap. Never remove both modules, and always verify cache mirroring has recovered before considering the maintenance closed.

Ideal Applications

• Replacing a failed controller in a Dorado 6000 array

• Restoring active-active redundancy after a controller fault

• On-site spare stock for business-critical all-flash systems

• Data center refresh and controller upgrade projects

Testing, Warranty and Support

Every module is tested before shipment and matched to OceanStor Dorado 6000 systems. Units ship with our warranty and technical support, and volume pricing is available for spare-parts programs.

Need help confirming compatibility? Read about active-active controller architecture, or shop more OceanStor Dorado controllers and spare parts from our catalog.