This loss can be serious. Of course, many companies do make regular backups. Many do not, but that is fortunately a shrinking group. In the scenario at the beginning of the article, a simple replacement disk and backup restore would solve the problem. In this scenario, however, the recovery is significantly more difficult.
Many offices use multiple servers.
Restoring the backups requires several servers and multiple workstations, along with a place to put them. If the business needs to function immediately, then the 1 to 2 day delay associated with replacing systems, restoring gigabytes of data, and configuring workstations may be unacceptable. Reserve Systems Enter the reserve system. This is not a backup copy of the regular network. It is a small computer along with selected data to perform key functions for a short time.