Physical backups are enduring sentinels against data loss, offering a tangible safety net. They provide peace of mind and an assurance that critical data can be retrieved when needed. Here are some of the options available for storing backups physically:
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Optical Discs: Recognised for their conventional and budget-friendly attributes, optical discs such as CDs, DVDs, or Blu-ray discs provide storage capacities of up to 25 GB per disc. While easy to use and widely compatible, they exhibit vulnerability to scratches and degradation over time. Additionally, accessing data requires a compatible disc drive.
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External Hard Drives/SSDs: Representing portable and high-capacity solutions, external hard drives or solid-state drives (SSDs) connect via USB, providing a secure and swift storage option. Despite their advantages, these options come with a higher price tag and susceptibility to physical damage or loss. Furthermore, they demand a power source for operation.
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Flash Drives/Memory Cards: Characterised by their compact and convenient nature, flash drives or memory cards offer moderate storage capacities (up to 256 GB) and enhanced portability. However, their cost per gigabyte is higher compared to other options. Their small size makes them susceptible to loss, wear, or corruption, necessitating careful handling. Encryption can enhance security, but users must exercise caution due to their diminutive size.
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Tapes/Cartridges: Utilising magnetic tape technology, tapes or cartridges present a robust and durable solution capable of storing substantial data volumes, often reaching several terabytes. Renowned for their longevity and resilience against harsh environmental conditions, these options are highly cost-effective per gigabyte of storage. However, they have downsides, including slower data access speeds, a less user-friendly experience, and potential compatibility challenges with mainstream devices.
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Network-Attached Storage (NAS): NAS devices excel in shared environments. They offer centralised backup for multiple users, a boon for businesses. With redundancy features, they safeguard against drive failures, ensuring data remains intact.
Selecting the most suitable storage method involves carefully considering user preferences, specific needs, budget constraints, and the availability of resources. For optimal security and reliability, a prudent approach often involves employing multiple backup options to ensure redundancy. Regular testing of backups is crucial to verify their integrity and usability, thereby fortifying data protection strategies.
If you’re curious about the advantages and types of cloud backup, check out our article on “The Three Types of Cloud Backup.” This insightful piece covers the nuances of cloud-based data protection, offering valuable insights for a comprehensive backup strategy.
