What is a disk mirroring?

Disco -mirroring is a computer setting process so that all data is written on multiple disks simultaneously. This is usually done primarily for safety reasons, because there is always a risk of solid drive failure. Usually the mirroring of the disk includes two actual disks in the system, one is the primary disk and the other is a backup. In some cases, people have set disk mirroring over long distances using powerful Internet connections.

hard disk drives are considered relatively reliable most of the time, but contain moving parts and there is a general certainty that it will eventually fail in continuing use. Many people protect themselves from making many data backups, but for some people it is not safe enough. In these cases, the disks mirroring ensures that there is always another perfect replica of the main system drive.

Most of the individuals and companies that used the disk mirroring are doing so because they are afraid of losing the important data. Many areFor whatever reason, the Dnotlýns do not bother with two hard drives and for some people would be the only reason for two hard drives for increased storage space. People who decide to set up mirroring can have important jobs related to their computers and may worry that any loss of data could be extremely harmful to their life or profession. When companies set up their computers by mirroring the disk, it is often for the same reasons.

Many computers that are set with a disk mirror use an arrangement called a redundant field of independent disks (RAID). This is a way of setting multiple hard drives to work together. There are several versions of RAID and are generally numbered RAID 0, RAID 1 etc. RAID 0 is a way to use two hard drives for increased performance and RAID1 is used for mirroring.

Another way of meeting the disk is to have another hard drive on anothera place that is constantly updated with data via online connection. Sometimes this approach is not entirely in real time, but if possible, it is usually very close. The idea of ​​this kind of setting is to have a substitute hard drive in case there is a disaster like a fire. This kind of approach could be used by the main government institutions, people involved in scientific research or anyone else who has an absolutely important need to protect their data at all costs.