Web, domains and email
RAID
Abbreviation for Redundant Array of Independent Disks
In short and in plain language
RAID means several hard drives working together in a server or storage device.
With mirroring, the data is stored twice. If a drive fails, the data is not lost straight away.
It does not replace a backup, though. Changes and deletions reach both drives at once.
Definition
RAID means combining several hard drives in a server or storage device. With mirroring, the data is stored twice, so a failed drive does not straight away mean lost data. It does not replace a backup, because changes and deletions reach both drives at once.