Diskless Node or Hybrid Client

Diskless Node or Hybrid Client is a computer without any working OS on HDD and uses operating system from server usually connected in the network for loading. Previously we discussed about Fat Client in Client Server Architecture, Thin Client and a guide on using Ubuntu with GUI on Rackspace Cloud Server as VNC Remote Desktop.

 

Basics on Diskless Node or Hybrid Client

 

 

Basically the Diskless Node is also known as hybrid clients. The terminology, Hybrid Client basically used to denote the  power of a real physical work station on a practically Thin Client. But as the terminology Hybrid Client is a bit misleading, Diskless Node is usually more used now. The advantages of a Diskless Node is somewhat like a Thin Client, as the system configuration need not to be very high, there is an decline in over all cost.

 

Other Operational Notes on Diskless Node

 

 

After starting the computer the Diskless Node is operated via the protocols such as DHCP. Some part of the computer’s configuration, for example, the IP address, the host name and an executable boot image is always on the disk, because there are the minimum needs. The boot image typically includes an operating system kernel and the startup kernels.

 

Compared to fat clients, Diskless Node helps to reduce the burden of Administration. software updates as maintaining one computer is more than enough. Software license savings are not possible if the license fee depends on the number of users, regardless of the number of installed copies. The waiver of cost of hard drives eliminates the cost for these components in the client machines, but may need more resources to be invested in the file server or network infrastructure.

It is obvious that a Diskless Node is also quieter,as  because besides the fans, the hard drives is the main cause of noise in a server computer.

 

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