Software architecture of OceanStor ReplicationDirector

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      Web,Storage,Mobile,OceanStor V3 series,OceanStor T series Based on the B/S architecture, OceanStor ReplicationDirector (current major version: V100R003C10) provides disaster recovery management through the browser at the client. OceanStor ReplicationDirector consists of three subsystems: OceanStor ReplicationDirector Agent, OceanStor ReplicationDirector UI, and OceanStor ReplicationDirector.
1. OceanStor ReplicationDirector Agent
Installed on a service host, OceanStor ReplicationDirector Agent is used to discover applications on hosts, maintain consistency of application data, and recover applications. It also transfers information about application systems to the OceanStor ReplicationDirector Server, helping system administrators manage and configure data protection and disaster recovery tasks.
2. OceanStor ReplicationDirector UI
Installed on a disaster recovery management server, OceanStor ReplicationDirector UI is used to provide a GUI, where you can perform routine management, such as configuration, maintenance, and modification.
3. OceanStor ReplicationDirector Server
Installed on a disaster recovery management server, OceanStor ReplicationDirector Server is used to control the disaster recovery service process, schedule disaster recovery policies, and manage disaster recovery resources and disaster recovery configuration data.
[OceanStor ReplicationDirector][Architecture|Component|Subsystem][Contain|Consist of?][Which|What|How much|How many?] 1      

Other related questions:
Introduction to OceanStor 9000 V100R001C01 software architecture
The software architecture of OceanStor 9000 V100R001C01 is as follows: The software architecture is fully symmetric with WushanFS run on all storage nodes. Metadata is evenly distributed to eliminate performance bottlenecks. OceanStor 9000 supports the seamless flexible expansion of 3 to 288 storage nodes and enables file system capacity to be expanded up to 40 PB. OceanStor 9000 provides NFS, CIFS, and FTP services, enabling clients running different operating systems to share files. Two types of client authentication modes are supported, local authentication and domain server authentication based on Active Domain (AD), Lightweight Directory Access Protocol (LDAP), and Network Information Service (NIS). Administrators can securely access DeviceManager and OceanStor SystemReporter (an optional report tool) to manage system resources and monitor system status and performance through HTTPS.

OceanStor 9000 network architecture
The OceanStor 9000 network consists of the following: - A front-end service network that connects OceanStor 9000 to the customer's network - A back-end storage network that interconnects OceanStor 9000 nodes - A management network that connects OceanStor 9000 to the customer's maintenance network OceanStor 9000 supports multiple networking modes, including 10GE, InfiniBand, and GE networking to meet different network requirements.

OceanStor ReplicationDirector positioning
The OceanStor ReplicationDirector (mainstream version: V100R003C10) is designed to manage the disaster recovery services of enterprise data centers. With the high application-aware capabilities and integrated value-added features of Huawei storage products, the OceanStor ReplicationDirector ensures service consistency during disaster recovery. The OceanStor ReplicationDirector helps users efficiently configure and monitor disaster recovery services and also conveniently perform data recovery and tests.

OceanStor ReplicationDirector features
The OceanStor ReplicationDirector (mainstream version: V100R003C10) has the following features: 1. Simplicity and high efficiency The OceanStor ReplicationDirector uses an application-based method to manage disaster recovery services and guides you through the disaster recovery service configurations step by step. It supports one-click disaster recovery test, planned migration, failover, and reprotection. 2. Visualization By graphically displaying the physical topologies of global disaster recovery and the logical topologies of service protection, the OceanStor ReplicationDirector enables you to easily manage the entire disaster recovery process. The execution status of protected groups and recovery plans is clear. 3. Integration The OceanStor ReplicationDirector integrates storage resource management. It meets the O&M requirements of various application scenarios, such as active-passive data centers, three data centers in two cities, and active-active data centers, reducing O&M costs and improving O&M efficiency. The OceanStor ReplicationDirector supports REST and SNMP v3 northbound interfaces, which can be connected to third-party systems. 4. Robust reliability The OceanStor ReplicationDirector ensures that the applications and data at the disaster recovery site are consistent with those at the production site. After the production site fails, the disaster recovery site immediately takes over services from the production site, ensuring service continuity. The multi-site deployment improves the reliability of the disaster recovery management system. The OceanStor ReplicationDirector backs up management data automatically so that the management system can be recovered rapidly in the event of a disaster.

OceanStor ReplicationDirector versions
The OceanStor ReplicationDirector has the following versions: 1. OceanStor UltraAPM V100R002C00 (The product name was changed to OceanStor ReplicationDirector in later versions.) 2. OceanStor ReplicationDirector V100R002C10 3. OceanStor ReplicationDirector V100R003C00 4. OceanStor ReplicationDirector V100R003C10

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