Type of interfaces used by V3 unified storage's controllers for clustering


Controllers of OceanStor V3 unified storage use 10GE ports for clustering.

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Number of interfaces used by V3 unified storage's controllers for back-end clustering
Controllers of OceanStor V3 unified storage use four 10GE clusters for back-end clustering.

Quota tree function of V3 series unified storage
A quota tree is the root directory of a file system. Quota trees are special directories. The following distinguishes a quota tree from a common directory: 1. Quota trees can only be created, deleted, or renamed by administrators using the command-line interface (CLI) or graphical user interface (GUI). Only empty quota trees can be deleted. 2. Quota trees can be shared using protocols and cannot be renamed or deleted during sharing. 3. Administrators can manage quotas such as file quantity or capacity under the quota tree.

IP failover policy of V3 series unified storage
During the system initialization, the system automatically adds all Ethernet ports and bond ports of clusters to the default failover group. An IP address fails over first to the port at the same position in the peer controller, then to ports at other positions in the peer controller, and last to ports in the local controller. It can float between various interface modules. Which port it floats to is related with the port location, not the port rate. Later versions will allow you to customize failover groups.

Method used to bond ports on OceanStor V3 unified storage systems
On OceanStor V300R001 storage systems, you can bond multiple iSCSI host ports. In doing so, the data transmission rate of these iSCSI host ports can be improved significantly (assuming other components do not reach their performance bottlenecks). For details, see Bonding Ethernet Ports .

What's the logical port of V3 series unified storage?
Logical ports, used for file services' running, are created based on physical Ethernet ports, bond ports, or VLANs. If the parent port of a logical port running file services is faulty, an IP failover will be triggered and the services will automatically fail over to another available port based on the failover policy. If the owning controller of the logical port's current parent port is different from the file system's owning controller, the system will need to transfer I/Os between controllers, decreasing system performance.

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