RDMA (Remote Direct Memory Access) is a direct memory access technology that allows data to be transferred between nodes by bypassing the operating system kernels on both sides, enabling direct access to memory over the network.
One of the default roles provided by AOC, which has basic read permission for infrastructure, operations and settings.
The redundant data replica created by the distributed storage system. The same data will be replicated across multiple nodes to maintain data high availability and fault tolerance capabilities.
A replica virtual machine generated through replication.
A complete replica of the source virtual machine, typically used for disaster recovery. It can take over and continue providing services when the source virtual machine becomes unavailable.
A source virtual machine and its replica virtual machine are referred to as a set of replication objects.
Defines the execution plans for key resources, such as replication objects, replication services, replication schedules, replication windows, and restore point retention policies.
All entities related to replication, including replication plans, replication objects, and replication restore points.
A snapshot generated by replication or fault handling tasks, which is used for the recovery of the protected virtual machine.
The frequency and timing at which the replication plan is automatically executed.
A system component responsible for managing replication plans and executing replication and fault handling tasks.
The time range in which the replication plan is executed automatically.
A recovery method that restores the virtual volume data of a virtual machine to the same state when the backup restore point was generated.
A RIP (real server IP) address is the address of a backend server. After being processed by the load balancer, requests are forwarded to the actual backend server based on the scheduling results.
The process of gradually creating new nodes to replace old ones and migrating workloads from the old nodes to the new ones, ensuring the continuous operation of services.
ROW (Redirect-On-Write) is a mechanism in which write operations do not copy the original data but instead write new data to a new location and update the metadata reference. This approach helps protect the original data, supports fast rollback, and improves storage performance.
RPO (Recovery Point Objective) is the maximum time range of data loss allowed in a disaster recovery scenario.
RTO (Recovery Time Objective) is the maximum time range allowed from the system failure to recovery in a disaster recovery scenario.
RTT (Round-Trip Time) refers to the time it takes for data to be sent from the sender to the receiver, and then for the response data from the receiver to return to the sender. RTT is an important metric for measuring network latency and response time. Smaller RTT means a lower network communication delay and a higher communication efficiency.
