Advantages of San (Storage Area Network)
When an organization starts its baby steps towards setting up a computer center, it's ordinarily a few servers hooked up on a local network. Users' computers are associated to the same network to passage business applications running on those servers. To gain external passage to the internet, devices such as routers or modems are put in place. For added security, a firewall is inserted in the middle of router and the local network to weed out viruses and other unwelcome bits of data from the web.
As the organization's It needs increase, the server farm continues to grow until it reaches a capacity whereby it is no longer feasible to store data in each server's local hard disk. The more efficient formula is to set up a San (Storage Area Network) and relocate all data into it. Although it sounds like a amazing idea, there are some factors to look into before proceeding ahead. A San is basically a range of storehouse disks which run on its own network to ensure super fast transmission speeds. It's prominent not to allow traffic from the server farm or local network to mix with traffic generated in the San as it causes detrimental effects to both and can bring all things to a halt.
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To ensure fast response times when sending and receiving data, the San runs on its own set of protocols and is associated via fiber channels for maximum bandwidth. Although standard Ethernet connections are cheaper, they are not able to deal with fast speeds as required by the San. Since the San (Storage Area Network) is one giant storehouse box comprising many pieces of hard disks, it requires its own administration system to deal with its operations. No one server controls the San as its disks are allocated to all servers. Via a central console, the San administrator switches from disk to disk as though curious around all servers' storehouse disk. As added security, local users registered to one server cannot passage the disks of someone else server.
In the event one of the disks in the San is faulty, depending on the Raid technology practiced, the San is able to rebuild data from the faulty disk onto a spare disk. Then it's just a straightforward matter of popping out the faulty disk, replacing a good one into place and formatting it to readiness. If the San is set up well, it plays an prominent role in getting the organization back onto its feet while disaster recovery processes. Backup routines over San are also more efficient as compared to server by server backup.
Before deciding to move all data into a San, it's recommended to check that the business applications are able to support San. There are some applications which wish their data to be locally stored and may pose a challenge when trying to implement San.
Advantages of San (Storage Area Network)
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