Storage testing is a type of software testing that checks if the software stores necessary data in the appropriate folders and has enough capacity to avoid unexpected termination owing to insufficient disk space, i.e., stack overflow. Storage testing entails examining software to verify if it saves and reads data files in the correct directories, as well as determining whether there is sufficient capacity to prevent unexpected termination due to stack overflow.

Objective of Storage Testing:
The objective of Storage Testing is:

• To establish a feasible storage limit prior to implementation.
• To figure out how the system will behave when a new hardware device is installed or an old device is upgraded.
• To reduce the time it takes for a response.
• To expedite the procedure.

Storage Testing Process:
Storage Testing is performed in the following different steps:

Estimation of Disk Space:
The total disk space is first determined. In order to perform subsequent steps, the tester must be aware of the system’s entire memory.

Estimation of Available Space:
The total amount of occupied and available space has now been calculated and observed. The tester is able to determine how much of the total space is occupied and how much is unoccupied.

Test Case Creation:
After determining the amount of memory available, a test case is created based on the needs of the end user. The creation of test cases is done in accordance with the software’s various functionalities.

Test Case Execution:
Following the assessment of disk space and the construction of test cases, the next important phase in the testing process is test case execution. In this phase, the tested cases developed in the preceding phase are executed.

Analysis of Disk Space:
Following the execution of the test case, the total disk space required throughout the test case execution process is calculated. Now, the analysis is done on the basis of how much space was estimated against how much space was actually consumed.

Types of Storage Testing:

• Application Testing:
  Application testing with sample queries with production like environment.
• Application Simulation:
  Conduct the testing using standard software similar to a target application
• Bench marking:
  Conduct the testing using standard software

Mistakes while performing Storage Testing:

• Monitoring the wrong server performance
• Without clearing the server cache, comparing the storage devices
• During testing, forgetting to monitor processor utilization
• Testing storage performance with file copy commands

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