Data replication

Refers to the maintenance of a secondary copy of data at a remote site, away from the primary volume to provide high availability and redundancy.

Data shredding

Is the process of deleting data so that it cannot be recovered.

Data Storage as a Service (DaaS)

Data Storage as a Service or Daas is a business model in which a large company rents its storage infrastructure to a smaller company or individual.

Database activity monitoring(DAM)

Database activity monitoring or DAM is a database security technology used to observe database activity in near-real time and provide alerts about policy violations.

Digital archive

Is a repository of digital information objects. Digital archives can be a sophisticated, multi-tiered storage system, or simply the drive c on a computer.

Disk array

Is a hardware element that contains a large group of hard disk drives (HDDs). It has an architecture that improves speed and increases data protection.

Disk array subsystem

A disk subsystem which includes control software with the ability to organize its disks as disk arrays.

Disk block

The unit on which data is stored and retrieved on a disk with a fixed block architecture.