https://www.microfocus.com/documentation/open-enterprise-server/23.4/unified_management_console/t4iiwxy0koak.html
What is disk mirroring or remirroring? - OES 23.4: Unified Management Console
what isdisk mirroring
https://www.techtarget.com/searchstorage/definition/disk-mirroring
What is disk mirroring (RAID 1)? | Definition from TechTarget
Learn about disk mirroring, RAID 1, which is the replication of data across two or more disks. See how it works and compares to other RAID levels.
what isdisk mirroringraid 1definitiontechtarget