Abstract

Backup is an important process in the life of any IT infrastructure. It is a rescue parachute in case of an unexpected disaster. At the same time, the backup is used to create a kind of historical archive of the company''''s business activities over a certain period of its life. Working without insulation is like living outdoors - the weather can turn bad at any time, and there''''s nowhere to hide. But don''''t lose important data and spend huge sums of money on it. Backup can restore both complete backup and individual files and folders. The backup can create an exact copy of the HDD, including the operating system, boot logs and other information. It can copy and restore an entire hard drive and individual partitions. In this paper, a reliable redundancy of data backup system was proposed in big data servers using RAID arrays. Using the Backup Disaster Recovery utility you can create a custom bootable recovery disk on which you can boot the operating system in case of failure and restore the system, settings and all data. It can copy ODBC compatible databases and also has special plug-in to accurately copy databases like DB2, Oracle, MS SQL, MySQL etc. Another hobby besides writing articles is promoting free software. To organize the backup system more effectively, you need to develop a real strategy for storing and retrieving information.