Big data, cloud computing, and digitalization bring complex processes and greater business and IT management challenges to organizations of all kinds. Based on customers' existing products and platforms, Changhong Jiahua provides flexible inspection services, on-site services, disaster recovery drills, upgrades, system tuning, on-site, relocation and other services to help customers respond to many specific service needs and obtain timely professional service responses.

Changhong Jiahua provides third-party technical services for Hitachi's entire line of storage products, including maintenance services, on-site services, on-site services, migration services, etc. The services are carried out by engineers certified by the original factory. The services include inspection services, troubleshooting, spare parts replacement, performance tuning, data migration, equipment relocation, disaster recovery drill, key node protection and other professional services.

Changhong Jiahua provides third-party maintenance services for Hitachi's full line of storage products. Perform maintenance and scientific management for Hitachi storage, and provide original certified engineers to troubleshoot hardware and software faults in a timely manner to ensure proper business operation. Available 5x8, 7x24; Software and hardware; Pure labor, labor + accessories and other different service levels to meet the needs of customers with different budgets.

Changhong Jiahua provides on-site operation and maintenance services for Hitachi's full line of storage products. Changhong Jiahua provides customers with full-cycle, one-stop on-site services to meet the needs of customers at different stages of development.


1 Inspection Service
The more and more enterprises depend on IT applications, the higher the requirements for the robustness and performance of IT applications. Changhong Jiahua inspection service confirms the current operating status of the system with active services and functions, discovers new resource & technology requirements, ensures business continuity, realizes risk avoidance, and helps achieve more efficient infrastructure management. You can flexibly select a remote or on-site service solution based on the inspection scale and environment. Services mainly include the following items:
? Customer interviews & Information collection
? Check the operating environment of the product
? Check the running status of the product
? Check the service running status
? Problem record & Hidden Danger summary
? Inspection reports & Recommendations

2 On-site service
On-site service According to the customer's area, Changhong Jiahua engineers provide on-site service, service content is determined according to customer needs. Help customers meet diverse technical support service needs, such as room relocation support, training, on-site upgrades, data migration operations, etc.

3 Disaster Recovery drill service
Disaster recovery system and disaster recovery system are only the beginning of the ultra-available project. How to guarantee the return on customer investment and ensure the continuous and effective operation of disaster recovery system and disaster recovery system is a long-term work, and disaster recovery drill is a key method to test this work. The Disaster Recovery Drill service is a value-added service for customers with high requirements for data security and business continuity. It helps customers meet compliance requirements, identify potential risks, and improve the organization's ability to respond to disaster events through desktop, simulation, and field drills.
? Confirm the drill mode and scope
Output continuity management plan through business impact analysis to determine drill mode and scope.
? Create walkthrough groups and roles
Create a continuity team based on the customer's on-site organizational structure, specify drill roles and clarify drill responsibilities.
? Set the walkthrough goals and scenarios
According to the continuity management plan, the drill scenario is preset, and the drill objectives and evaluation indicators are defined.
? Hold a pre-drill guidance meeting
Organize Party A and the site service provider to hold a communication meeting before the drill, clarify the responsibilities and cooperation process, and get familiar with the operation timing during the drill.
? Perform a walkthrough and document the process
Execute the drill operation according to the drill plan, and record the operation and cooperation process during the drill for later review analysis.
? Analyze and evaluate drill results
After the drill is complete, hold a desktop conference based on the drill records, and analyze whether the drill results have met the expectations.
? Write a drill report
Summarize and analyze the exercise process, find the deficiencies and put forward suggestions for improvement, and output the exercise summary report.
? Improve plan review and implementation
In view of the problems found in the exercise, make improvement plans together with Party A and provide improvement plans.

4 Upgrading Services
The software version can be maintained to the latest version at any time through the software upgrade service to provide the latest product functions, optimize device performance, and improve security and compatibility. Keep the software updated and get technical support services for new functions during the service period to meet the customer's needs for product functions after the on-site environment update. Upgrade service will be from the evaluation, deployment, migration, online four aspects of the system to ensure that the value of the upgraded product increase.
? evaluation
Environmental assessment is to judge whether the current environment has the conditions for upgrading, analyze the feasibility and key value points of upgrading, mainly from the aspects of system capacity, performance, compatibility, product functional requirements, peripheral basic environment, business capacity requirements, etc. After the evaluation is completed, the upgrade plan is output.
? Deployment
After the environmental assessment is completed, the upgrade implementation plan is output, and the upgrade plan is designed with reference to the industry best practice, reviewed by the second-line technical experts, and executed by the first-line technical personnel on site. After the upgrade is complete, verify the environment and output a verification report.
? migration
The configuration and policy migration is performed after the software upgrade is complete. The purpose is to automatically or manually migrate the configurations and policies on the original system to the new system. After the migration, the configuration and policy are verified to ensure the consistency before and after the migration.
Go online at ?
After the configuration and policy verification are complete, the new system is launched. The system is switched over in parallel, direct, or segmented mode based on the actual environment. Data security is required in either mode.

5 System tuning Services
System tuning services can help users better use the product, maximize the effectiveness of the product, and solve the capacity, performance and security problems caused by environmental changes. Through the system tuning service, potential hazards can be detected, accidents can be prevented, resources can be avoided and impacts on production resources can be avoided, and safety compliance requirements on products can be met.
? Health check
Different from routine inspection, health check focuses on systemic problems of the service system and the surrounding environment. The key purpose of health check is to detect potential hazards, avoid future emergencies, and ensure the healthy operation of the overall environment.
? Strategy optimization
By analyzing historical data and future service development trends, you can adjust running parameters to improve resource utilization and user experience while meeting service requirements, optimize resource allocation policies around products, and avoid impact on services caused by resource contention.
? Security hardening
Based on the security management requirements of the industry and organization, you can configure the security baseline of the system from the network layer to the application layer to ensure that the system is protected from unauthorized intrusion and exploitation and meet compliance management requirements.

6 on-site service
Changhong Jiahua provides customers with full-cycle, one-stop on-site services to meet the needs of customers in different stages of development. According to the needs, we provide daily modification, equipment monitoring and maintenance, periodic inspection, disaster recovery drill, upgrade, system tuning, etc., to meet the needs of customers for nearby services, rapid response, and improve service quality for customers.

7 Relocation Service
? A detailed review of the current situation
Organize the current situation of the existing system in detail, form a detailed investigation report of the current IT system, and provide important basic information for the formulation of relocation strategy and later system maintenance;
? Plan the new equipment room properly
Meet the operational needs of existing equipment relocation and consider the needs of business development in the longer term;
? Smooth service migration
Develop adequate and detailed relocation implementation plans and make adequate and detailed preparations;
? Effective input of resources
Make full use of the existing equipment, control the cost of new equipment, analyze the needs, and reasonably invest in the transition and update equipment at key points, reduce the relocation risk, and improve the overall operation and maintenance level.
? The relocation cycle is controllable
Shorten the parallel cycle of new and old computer rooms as much as possible within the controllable range.

8 Professional software service
Provides users with professional technical services such as service system high availability, active-active data center, geo-active disaster recovery, multi-point disaster recovery, data migration, performance tuning, and disaster recovery drill.

9 Technical advisory services
Provide technical consultation to customers by telephone and email, including technical solution consultation, after-sales technical problem consultation and other technical support services. Changhong Jiahua engineers are familiar with the underlying architecture and products of the system, and can cooperate with a wealth of software products, and can provide users with more suitable solutions for user needs.