Application - Failure

Card Puncher Data Processing

Application - Failure


A failure is when the system as a whole stops providing the required service to the user.

It's generally caused by an exception not caught.

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Card Puncher Data Processing
Application - Fault (Crash)

Things that can go wrong in a system are called faults. A fault is usually defined as one component of the system deviating from its specification. It is impossible to reduce the probability of a fault...
Data System Architecture
Atomic Commit

An Atomic commit is a commit that implements atomicity for a transaction. Either all the tasks in a transaction must happen, or none of them. The transaction must be completed, or else it must be undone...
Disk - Sector (Physical block)

A sector is the block (minimal persistent unit) on a disk at the physical level. It is not possible to modify any part of the disk smaller than a sector. To change a part of the disk smaller than a sector,...
Undraw File Manager Re Ms29
File Lock

A File lock is a lock on a file They are acquired from the operating system kernel file system. All open files have acquired a lock. Their implementation is OS depend. They are generally just flags....
Card Puncher Data Processing
System Property - Reliability

The system should continue to: work correctly (performing the correct function at the desired performance) even in the face of adversity (hardware or software faults, and even human error). Since...

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