Скачать или смотреть (N1) PC Hardware part3 Harddisk - MBR and GPT,Partitions, File System

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Partitioning

Disk Partitioning is the Process of Logically Dividing the Storage Space of a Hard Disk into Separate Areas Commonly called as Partitions or Drivers
There are Two types of Partitions
Primary
Extended

MBR and GPT
When a fresh/new disk drive connected system ask for initialize as MBR type or GPT type
Partition style/Type – MBR or GPT
When we install OS in fresh PC/System – OS and MotherBoard are BIOS firmware – Disk initialize as MBR
MotherBoard – UEFI firmware and OS is latest (uefi support) – Disk initialize as GPT

MBR: Master Boot Record
4 Primary partitions
3 Primary partitions and 1 extended partitions
1 extended –multiple no of logical drives
Partition Size support – upto 2TB

GPT:GUID Partition Table
128 Primary partitions
No extended- no logical
Partition Size : more than 2TB, Upto 18EB

File System
To store data in a device we need file system
Win : FAT, NTFS
FAT: Supports 32GB
NTFS - upto 2TB and more than 2TB, Security, Encryption, Compression, Quota, and Indexing
exFAT – SD Card (more than 32GB)
ReFS – Resilient File System – CRC prevents data from corruption
Linux/Unix: ext3,ext4,xfs
Network – NFS, CIFS (SMB)
DVD – UDF
CD – HSFS,CDFS