Electric Love – How to avoid power outages

Electric energy efficiency is one of the biggest challenges facing data centers today.  With the rising cost of powering servers, businesses are forced to look for creative and cost-effective ways to power all of their servers.  While there are many solutions to this problem, some are better than others.   When looking for a data center to house your servers, make sure it has the proper outage protection systems in place to protect your servers from power outages and other outages.

How does the power system work?

Power in a data center is distributed in a very specific way.  When power enters a building, it passes through a switch and can be routed to one of two places. The standard system through which power flows on its way to the servers is the UPS (uninterruptible power supply). The UPS is like a giant battery and acts as a buffer between the power grid and the servers. Power is then transfer from the UPS to all the racks where it powers the servers.

In the event of a power failure, the failsafe function is automatically activated and the power is switched from the UPS to the generator. At that point, the UPS switches to an Automatic Transfer System (ATS) and provides power for 25-30 minutes while the generator warms up and begins to supply power to the servers.  All of this happens automatically without interrupting the servers. Visit also: APC ATS prices in Pakistan

What to look for?

There are two basic components of proper power distribution that will ensure that your servers are protect from power outages.  When looking for a data center, make sure it has its own UPS, and ask about the ratio of users to power consumption.

UPS

The UPS is the first critical component to ensure that your data is safe in the event of a power outage.   The UPS acts as a buffer between the power supply to the data center and the servers. UPS provides the servers with emergency power in the event of a power failure.  It differs from optional redundant systems in that it can turn on immediately in the event of a temporary power failure. It provides power for a short time until the power is restored or the generator can take over.

This is an important component to protect your servers because it acts as an instantaneous power source in the event of a power outage.  In fact, it happens so instantaneously that power to the servers is not interrupted at all.  No other power source provides this level of protection.  Even the slightest power outage can be enough to crash your servers, interrupt operations or lose data.

The relationship between the user and the electric power

The second component to look at is the relationship between users and power.  When selecting a colocation center, be sure to ask about this ratio.   Each facility is allocate a certain amount of power by the power company.  This power is then allocate to the servers.  Depending on how the facility allocates power, this can be beneficial or detrimental to your business in the event of a power outage.  If all the power is allocated and no additional power is available, more power than the facility has available may be needed in the event of a power outage and an attempt to restart all the servers at the same time.

If all servers want to restart at the same time and there is not enough available power, none of the servers can start.  The data center is then force to start each rack individually.  Depending on the number of racks in the room, this can take a very long time.  With proper power allocation, this problem could have been avoided.

Example: If a data center consumes 400 amps of power from utilities and has 20 servers installed. Each server can have no more than 20 amps.  Now the institution has a choice. It can either provide the maximum amount of current for each server. Or set the current limit slightly lower, such as 17 amps.

If all the servers startup at the same time and consume the maximum amount of power the facility can handle, 20 amps in our example, and they have to restart, each of them can consume 22 amps.  Now the servers require more power than is available, and the facility can’t handle that, which leads to another shutdown.

Accounting for this difference between available and allocated power benefits consumers in the event of an outage. Because it takes more power than usual to restart a server. Each server gets 3 more amps when it needs to start up. That way, in the event of a power failure, all servers can restart at the same time. And you avoid further complications.

Avoid electric shock.

By asking yourself these two important questions and making sure that the room. Where you house your servers has these components. You will save a lot of time, money, and hassle in the event of a power outage.  Instead of having to deal with your servers going down. You can make sure that everything is safe and that you won’t even know about it in the event of a power outage.

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