disk mirroring
replication of logical disk volumes onto separate physical hard disks in real time to ensure continuous availability
en-GB/ˈdɪsk ˈmɪɹəɹɪŋ/
en-US/ˈdɪsk ˈmɪɹɚɪŋ/
replication of logical disk volumes onto separate physical hard disks in real time to ensure continuous availability