The safeguard against storage device failures and data loss is a formal data backup procedure. System backups provide insurance against storage device failure. Some HDD problems you should know are OS not found, slow file access, lack of sufficient space, corrupted data, and file/data/object unavailable.
A common disk failure is physical or logical bad sectors appearing on a disk platter. Physical bad sectors are the result of a read/write head touching the disk medium surfaces. Logical bad sectors may cause I/O problems, including increased latency or read errors. An advantage of an SSD is its lack of moving parts, but its electronics can fail and it can have bad blocks. Magnetic tape cartridges are a common backup medium. Backup tapes are essential. Magnetic tape does have problems, including human errors, script errors, and hardware errors. The common problems of optical...
