What's the difference between the datastores and how do they operate?

Hi guys, just wanna ask what's the difference between them and how to know which deployment is better?

I know that the virtual storage is like a virtual pool by combining 2 physical storage or more as 1. For an example, the setup is using 2 nodes, node A and node B. If node A is down, node B can still run the VM as long it has the capacity to run the VM that initially ran on node A.

So does the other datastore operates in the same way as the virtual storage but different approach or they are completely different?

If possible I would like a clear comparison between the datastores regarding their types and how do they operate differently. I can just google it but i feel like maybe in Sangfor it may use a different apprach, so that's why I'm asking.

FC = SAN/NAS either 2 can use Fabric  - If the storage is external this can be useful for provisioning new storage presentation
ISCI = IP base shared storage - If your new presentation storage uses an external uplink this can be useful
NFS =Type of storage - can be used for backup storage or shared storage
Local Storage =This storage uses your internal storage pool

Virtual storage abstracts physical storage for flexibility, illustrated by high availability setups like nodes A and B. Datastores, in virtualization, store VM files. For Sangfor, check the documentation for specifics. Choose based on performance, scalability, and ease of management for your use case.

There are two distinct file systems: VMFS (Virtual Machine File System) and NFS (Network File System). A block level file system is called VMFS, and a file level file system is called NFS.

logical storage pools produced by combining the physical disks of several nodes. They provide simplicity of use, scalability, and adaptability.
Local data stores are actual disks that are physically connected to particular nodes; they are frequently utilized for applications with particular needs or high-performance workloads.

The distributed file system protocol known as Network File System (NFS) allows users to access data stored remotely in a manner akin to that of local storage. When file sharing is necessary, like on a network of Unix or Linux computers, NFS is usually utilized. Because it is so simple to administer, virtualization environments frequently use NFS.

Storage units that are physically fastened to Sanford HCI nodes are referred to as local storage.

Using an IP network, block-level access to storage devices is made possible by the iSCSI storage protocol. To link servers to storage devices, ordinary Ethernet cables and network adapters are used. In general, iSCSI is thought to be less expensive and easier to install and manage than Fibre Channel. Nevertheless, a Fibre Channel SAN may currently scale to a higher performance level than iSCSI.

FC: Servers and storage devices are connected via high-speed network technology called fiber channel. It is renowned for its excellent performance and dependability and transmits data using fiber-optic connections. FC is commonly utilized in business settings where fast data transfer is essential.

NFS is frequently selected for ease of file sharing, FC for high-performance and mission-critical applications, iSCSI for affordable block-level access via IP networks, and local storage for applications with lower performance requirements or when centralized storage is not required. The ideal deployment is determined by the particular use case requirements and factors like cost, manageability, and performance requirements.

The high-speed, dedicated storage networking technique known as FC (Fibre Channel) is generally utilized to link servers to storage arrays. A storage protocol called iSCSI (Internet Small Computer System Interface) enables block-level access to storage via Ethernet networks. Shared file access over a network is made possible by the file-level storage technology known as NFS (Network File System). Using storage devices that are physically attached to a server is known as local storage.