BACKUP METHOD FOR NO-INTERRUPTION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a backup method for a no-interruption system for mirroring data for a short time without interrupting a server. SOLUTION: A program which realizes a backup method of a non-interruption on a server triple mirrors a system area and a data area of group ware. The program physically backs up a separated volume 10 after a plex 12 is cut out. The program performs double mirroring by remaining 2 plex while backup is being performed and has the system drive.