Disk Backup

A disk backup is a copy of data that is stored on a physical disk, such as a hard drive.

Updated: December 8, 2023

A disk backup is a copy of data that is stored on a physical disk, such as a hard drive. 

Disk backups are created by companies to protect themselves against data loss in situations like system crashes,  natural disasters, human error and cyberattacks. Disk backups are used as a component of the disaster recovery plan of a business. Disk backups is combined with object storage solutions in many organizations to protect their data.

Disk backups are crucial for protecting and recovering data. Full backup, Incremental backup, Differential backup are three main types of backups used by businesses.

Restoration of files, systems, and applications; protection against human errors like accidental deletion; offsite storage for physical protection; and access data without an Internet connection are some of the key benefits of leveraging disk backups. Potential risk of losing all data, time-consumption and possibility of human errors are potential disadvantages of using disk backups.

Disk backups are an effective technique for protecting business data when used correctly. Outlining a backup strategy, protecting and encrypting backups and follow the 3-2-1 data backup strategy are best practices for disk backups. 3-2-1 backup method contain three copies of data, one original and two backups, two different storage types such as cloud storage and an external disk drive and one copy of data offsite .