Setting Up a NAS for the First Time: Storage, Backups, and Remote Access
A Network Attached Storage (NAS) device is more than just a hard drive with an ethernet port. It is a dedicated server designed to provide centralized data storage, media streaming, and automated b...

Source: DEV Community
A Network Attached Storage (NAS) device is more than just a hard drive with an ethernet port. It is a dedicated server designed to provide centralized data storage, media streaming, and automated backups for your entire network. Whether you are using a pre-built solution like Synology or building a custom box with TrueNAS, the fundamental principles of data integrity and security remain the same. This guide moves past the basic unboxing and focuses on the technical decisions that determine whether your data survives a hardware failure or stays secure when you access it from outside your home. Storage Strategy and RAID Selection The first decision you face is how to arrange your physical disks. While it is tempting to use JBOD (Just a Bunch Of Disks) to maximize capacity, this offers zero redundancy. If one drive fails, you lose data. For most first-time setups, RAID 1 or RAID 5 provides the best balance of protection and usable space. RAID 1 mirrors two identical drives. It is simple a