What Is Server Side Includes?

Server side, in a broad sense, server refers to a computer system in the network that can provide certain services to other machines (if a PC provides ftp service to the server side, it can also be called a server).

Service-Terminal

Since the server provides services in the network, the quality of this service is

All-flash arrays and hybrid flash arrays have been discussed a lot, and deploying solid-state storage on the server side is still a popular way to implement flash storage, and it is also the simplest. There are multiple ways to deploy server-side flash, including SAS / SATA, PCIe flash cards, NVMe flash, and dual in-line memory slots. In addition to the above, server-side flash technology can now also be used as persistent storage, cache, and even shared with other servers in the cluster.

Disk formats are still popular and come in 3 sizes: 3.5 inches, 2.5 inches, and 1.8 inches. They are the same size as HDDs and generally support hot swap. SSDs are as thick as HDDs and thinner than HDDs. 2.5-inch SSDs are the most common form of server driver.

PCIe Server-side PCIe flash

Another common form of server-side flash is a PCIe flash card. These flashes inserted into the PCIe card slot provide fast access to storage. In addition to their capacity, they also frequently refresh the physical size-a consideration for smaller servers-accompanied by attributes like FHFL and HHHL.

Connecting directly to the PCI bus reduces latency and is the reason for the huge performance of flash cards. The downside is that they are limited to a single server and require a server restart during installation or removal. Many PCIe flash drives require a PCIe 2.0 x8 slot, but some new products are connected via a PCIe 3.0 x4 slot.

Server boot disk

M.2 is a new interface designed for several different types of internally mounted devices, including SSDs. This interface card is 22mm wide and has different lengths from 30mm to 110mm. They are mounted in a special M.2 PCIe card slot and offer up to 480GB capacity, which is more than enough for boot disks. It has been applied to laptops and desktops and will be available on some server-sides.

An interface type similar to M.2 but which appeared earlier was mSATA. It was first applied to laptops and may be used in servers, but M.2 is likely to replace mSATA in the future.

Server-side vendors are using another microSD card from the consumer market. This storage technology is used in some smart phones or small computing devices, and it is also expected as a boot disk on the server.
Supermicro SATA DOM, also known as SuperDOM, is a dedicated type of server server side. This is a very small flash drive that plugs into a special SATA slot on the latest generation of server motherboards. This drive disk has a capacity of up to 64GB, which is sufficient as a boot disk.

Server-side memory channel flash

Currently, there are two types of flash memory on the server side: non-volatile dual in-line memory modules and memory channel storage. Both types perform read and write operations to the device through the memory channel. They also connect to standard DIMM slots to provide storage, but in a different way.
NVDIMM combines DRAM, flash memory, control unit and a separate power supply, typical super capacitors. In the event of an unexpected power failure or system crash, data from DRAM is stored in flash memory. When power is restored, DRAM will recover data from flash memory. NVDIMMs are suitable for write caching, metadata storage, memory databases, memory queues, and similar operations that require full DRAM performance and continued operation.
Memory channels are stored on DIMMs and use flash as a storage device. These devices have capacities up to 400GB, but there are subtle levels of latency. Many applications that require low-latency storage can take advantage of this technology. However, in order to take advantage of memory channel storage, the server motherboard BIOS / uniform extended firmware interface needs to understand that memory or storage will appear in the DIMM card slot and be able to distinguish them. Today some server manufacturers are making motherboards with such capabilities. Diablo Technologies and Netlist, the two major companies that currently manufacture these products, have litigation activities, so product supply will not be unrestricted until the problem is resolved. ^[1]