The Fusionstorage series (including fusionstorage file, fusionstorage object, fusionstorage block) is consistent from the network topology, except that
the fusionstorage block is a bit more special. Fusionstorage's series of network topologies are all in the following views. It includes three planes,
management plane, service plane, and storage plane.
Management plane: The management plane is consistent with Huawei's other products. It is roughly the management traffic and heartbeat traffic.
It needs to dock storage nodes and compute nodes, so-called storage nodes, that is, servers are generally configured with low-performance processors
and large-capacity disks, servers that simply store data and do not provide virtual machine computing resources. The so-called compute node, on the
other hand, is a server that provides virtual machine computing resources and does not provide storage capacity. Therefore, if a node provides
computing resources and also provides storage resources, it is a computing storage fusion node. The management node needs to connect all the
computing nodes and the storage nodes, whether it is three or two layers, which means that it has three layers of interworking with the management
plane of the fusioncompute and the om and api planes of the fusionsphere openstack.
Service plane: The first thing to say is that the fusionstorage block has no service plane, and its service plane and storage plane are the same plane.
The service plane is an interface for external computing nodes to write storage data in order to provide services to the outside. For the fusionstorage file
and object, the business plane provides an object interface and a file service interface for the outside.
Storage plane: The storage plane of the fusionstorage block is provided with storage nodes to store and exchange services with each other,
so that the computing node writes the stored data. Since the fusionstorage block is backed up by three copies or two copies, only one copy is written
when the data is written, and other replica servers synchronize the data from this server. Therefore, the storage plane has the ability to store switching
and external services. Of course, due to the existence of storage switching, business performance is slightly affected. But business performance is not
just about this, I will share a test sample related to storage performance. For the fusionstorage file and object, the storage plane only provides an
interface for storage switching, so it does not affect business performance data.
Fusionstorage blcok is a block storage device, which is a commonly used solution and currently belongs to the cloud computing business field.
But the other two programs belong to the storage field, so be sure to pay attention when looking for RTAC. Fusionstorage file and object are generally
used for special storage occasions. It involves an integrated solution of software and hardware. It is not like a block using a general-purpose server.
This point is slightly noted. The subsequent fusionstorage refers to the block scheme in the unspecified case.
In a word, fusionstorage is to use the local hard disk of the general server to virtualize all the local hard disks into a large resource pool, and write
a part of the data on each server by writing data to improve the distributed storage performance of distributed storage. . Therefore, fs requires at least
3 servers to be able to do the solution, and the configuration on each server should be the same, especially the number of hard disks should be the
same. Although the server allows a certain range of hard disk errors, it is better to keep consistent at the beginning.
