is a widely-used technology for storing digital data. One popular form of magnetic storage is the (HDD). Inside an HDD, data is stored magnetically onto rotating disks called s. To read and write data, a hovers just above the surface of the platter.
The platter is divided into concentric circles called s, and each track is further divided into smaller sections called s. A manages the communication between the computer and the hard disk drive, coordinating the movement of the read/write head to access specific tracks and sectors.
Another form of magnetic storage is , commonly used for and purposes. A is used to read and write data onto magnetic tape. This technology provides cost-effective options for long-term and recovery.
is a critical aspect of data storage and involves techniques such as and the use of RAID (). Data mirroring duplicates data across multiple storage devices, ensuring that if one device fails, the mirrored copy can take over seamlessly. RAID, on the other hand, combines multiple physical disks into a single logical unit to enhance performance and provide redundancy.
In recent years, s (SSDs) have gained popularity due to their faster data access, lower power consumption, and higher reliability compared to traditional magnetic storage. SSDs store data in flash memory chips without any moving parts, making them more resistant to shocks and vibrations. These drives are commonly used in laptops, smartphones, and other portable devices due to their compact size and durability.
Keywords
disk controller | archiving | data retention | magnetic tape | magnetic storage | backup | tape drive | solid-state drive | platter | hard disk drive | data mirroring | read/write head | sector | data redundancy | track | redundant array of independent disks |
