Operation System A) Storage Management Following is the independent, separate co

Question

Operation System

A) Storage Management

Following is the independent, separate concern components of Storage Management:

1) File system

2)  The relationship between storage and swap space

3) Partitioning

For each of these 3 components, describe the component’s responsibility and provide an example of an implementation of that component.  

Please answer this in this format:

for example, Within the Memory Management component, separating the capability to translate logical addresses to physical addresses is one separate area of concern. This component is typically a hardware component (the MMU) manufactured to support a very specific architecture, such as the ARM Architecture (page 387) with 4-KB and 16-KB, or 1-MB and 16-MB pages for a 32-bit address. Fixing a bug, or upgrading the address translation algorithm version is confined to the MMU and the OS component, isolating this concern from other parts of the OS.?

Explanation / Answer

File System:

- It ensures the mechanism in which data is retrieved or stored within a computer system.

- It is used to keep track of files on a disk and to organize the files.

- File system specify conventions for naming, structure of files hierarchy.

- Example of file systems are: nfs, smbfs, sysv, NTFS, FAT12, FAT16

Relationship between storage and swap space:

- Storage is the space on the disk which will be used to sotre data/files permanently.

- Swap space is the space on disk which will be used as extension to RAM known as virtual memory means not permanent.

- When RAM is full, data files can be swapped in & out from the memory to swap space

- A swap file if need to be stored permanently then can be moved to storage.

- Swap space is the dedicated partition on the disk to be used as an extension to the RAM.

Partitioning:

- Every file system has it's own partition on the disk to store the files. Difference lies in the way files are stored in that partition.

- To make a partition a file system, it needs to be initialized and bookeeping data structures need to be written on the disk.

- There may be several partition available on the disk for multiple file systems and some file systems might share the partitions.

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