Quick Answer: What Is A Availability?

What is availability rate?

Machine Availability Rate is the percent of the time that production equipment is available for use, divided by the maximum time it would be available if there were no downtime for repair or unplanned maintenance..

What is equipment availability?

Equipment availability is a metric used to measure the percentage of time a machine can be used. It is the amount of time in which a machine actually runs and is available for production. Availability can also be called ‘uptime’, and it is one of the key metrics that give us insight into our production efficiency.

What is another word for availability?

In this page you can discover 23 synonyms, antonyms, idiomatic expressions, and related words for availability, like: accessibility, inherence, distribution, hereness, unavailability, delivery, pricing, usage, availableness, thereness and availabilty.

What is considered high availability?

High availability refers to a system or component that is operational without interruption for long periods of time. High availability is measured as a percentage, with a 100% percent system indicating a service that experiences zero downtime. … But four nines uptime is still 52 minutes of downtime per year.

Why availability is important?

If it has the capacity to prevent outages and failures; or if an infrastructure is able to operate its most important functions without interruptions or problems, an enterprise can achieve continuity. If a business aims to achieve a competitive advantage, a high level of availability is essential.

What is availability in OEE?

Availability is the ratio of Run Time to Planned Production Time. It takes into account Equipment Failure (unplanned stops) and Setup and Adjustments (planned stops) from the Six Big Losses.

How do you define availability?

Availability is the probability that an item will be in an operable and committable state at the start of a mission when the mission is called for at a random time, and is generally defined as uptime divided by total time (uptime plus downtime).

How do you find availability?

To calculate system availability for a certain period of time, divide an asset’s total amount of uptime by the sum of total uptime and total downtime.

What is the difference between uptime and availability?

Where availability measures the percentage of locations that can successfully reach your server, Uptime measures whether the server is reachable at all. … Uptime is calculated, in each test interval, as either 100% if one or more locations can successfully reach the server, or 0% if none can.

What is the difference between reliability and availability?

Availability measures the ability of a piece of equipment to be operated if needed, while reliability measures the ability of a piece of equipment to perform its intended function for a specific interval without failure.

How do you find availability rate?

The calculation of the availability rate is:Availability = B / A x 100.= 77.7%Performance = D / C x 100.= 86.1%Quality = F / E x 100.= 97.8%OEE = 65.4%

What does 99.99 Availability correspond to?

What does availability/uptime mean in the real world?Availability %Downtime per yearDowntime per week99.9% (“three nines”)8.76 hours10.1 minutes99.95%4.38 hours5.04 minutes99.99% (“four nines”)52.6 minutes1.01 minutes99.999% (“five nines”)5.26 minutes6.05 seconds7 more rows•May 6, 2010