fail open

简明释义

1. 应急开放; 2. 出故障时自动打开; 3. 紧急放空; 4. 应急排放;

英英释义

例句

1.The system is configured to fail open so that users can access critical resources during an outage.

该系统配置为故障时打开，以便用户在停机期间可以访问关键资源。

2.In case of a power failure, the emergency exit doors are designed to fail open to ensure safety.

在停电的情况下，紧急出口门设计为故障时打开以确保安全。

3.The fire alarm system will fail open all doors to allow for quick evacuation.

火警系统将使所有门故障时打开以便快速撤离。

4.To enhance security, the server room doors fail open when there is an emergency.

为了增强安全性，服务器房间的门在紧急情况下会故障时打开。

5.If the network goes down, the application is set to fail open to maintain user access.

如果网络出现故障，该应用程序设置为故障时打开以维持用户访问。

作文

In the world of technology and engineering, safety is a paramount concern. One term that often comes up in discussions about safety mechanisms is fail open. This phrase refers to a system's ability to default to an open state in the event of a failure. The concept is crucial in various applications, especially in industries where human lives may be at stake, such as aviation, nuclear power, and chemical processing. Understanding what it means for a system to fail open can help us appreciate the importance of design choices in ensuring safety.To illustrate the concept, consider a scenario involving a safety valve in a chemical plant. The purpose of the safety valve is to relieve pressure from a system if it becomes too high, preventing potential explosions. If the valve is designed to fail open, it means that in the event of a malfunction or power loss, the valve will automatically open, allowing excess pressure to escape. This action minimizes the risk of catastrophic failure and protects both the facility and its workers.Conversely, if a system is designed to fail closed, it would mean that in the event of a failure, the valve would close, potentially trapping dangerous gases or liquids within the system. This could lead to a buildup of pressure and ultimately result in an explosion or other hazardous situations. Therefore, choosing whether a system should fail open or fail closed is a critical decision that engineers must make based on the specific risks associated with the system in question.The implications of fail open designs extend beyond industrial applications. In the realm of computer networks, for instance, security is a significant concern. A network device that fails open might allow unauthorized access in the event of a failure, while one that fails closed would prevent any connections until the issue is resolved. The choice between these two approaches can greatly influence the overall security posture of an organization.Moreover, the concept of fail open is not limited to physical systems. Software applications also incorporate this principle. For example, a web service that fails open might continue to provide access to users even when there are backend issues, which could be beneficial for user experience but risky from a data integrity standpoint. Conversely, a service that fails closed would deny access until the problem is fixed, which could frustrate users but ensure that sensitive data remains secure.In conclusion, the term fail open encapsulates a critical aspect of safety and reliability in various systems. Whether in industrial settings, computer networks, or software applications, understanding the implications of this design choice is essential for engineers, developers, and safety professionals alike. By recognizing the significance of fail open mechanisms, we can better appreciate the complexities involved in designing safe and reliable systems that protect both people and property. As technology continues to evolve, the importance of making informed decisions regarding failure modes will only grow, emphasizing the need for ongoing education and awareness in this vital area of expertise.

在科技和工程的世界中，安全是一个至关重要的关注点。一个常常出现在关于安全机制讨论中的术语是fail open。这个短语指的是一个系统在发生故障时能够默认处于开放状态的能力。这个概念在各种应用中都至关重要，特别是在可能危及人类生命的行业中，如航空、核能和化学加工。理解一个系统为何会fail open可以帮助我们更好地欣赏设计选择在确保安全方面的重要性。为了说明这个概念，考虑一个化工厂中的安全阀场景。安全阀的目的是在系统压力过高时释放压力，以防止潜在的爆炸。如果阀门被设计为fail open，这意味着在发生故障或失去电源的情况下，阀门将自动打开，允许多余的压力释放。这一行动将最小化灾难性故障的风险，保护设施及其工人。相反，如果一个系统设计为fail closed，则意味着在发生故障时，阀门将关闭，可能导致危险气体或液体被困在系统内。这可能导致压力累积，最终引发爆炸或其他危险情况。因此，选择一个系统应该fail open还是fail closed是工程师必须根据特定风险做出的关键决策。fail open设计的影响不仅限于工业应用。在计算机网络领域，安全也是一个重大问题。一种网络设备如果在故障时fail open，可能会在故障发生时允许未经授权的访问，而一种fail closed的设备则会在问题解决之前阻止任何连接。这两种方法之间的选择可以大大影响组织的整体安全态势。此外，fail open的概念并不限于物理系统。软件应用程序也包含这一原则。例如，一个fail open的网络服务可能在后端出现问题时继续为用户提供访问，这对用户体验有利，但从数据完整性的角度来看则存在风险。相反，一个fail closed的服务将拒绝访问，直到问题得到解决，这可能会让用户感到沮丧，但确保敏感数据保持安全。总之，术语fail open概括了各类系统中安全性和可靠性的一个关键方面。无论是在工业环境、计算机网络还是软件应用中，理解这种设计选择的影响对于工程师、开发人员和安全专业人士而言都是至关重要的。通过认识fail open机制的重要性，我们可以更好地理解设计安全可靠的系统以保护人们和财产所涉及的复杂性。随着技术的不断发展，在失败模式方面做出明智决策的重要性只会增加，强调了在这一重要领域进行持续教育和意识提升的必要性。