Disk Duplexing Disk Mirroring differences
"Disk Mirroring" uses only one disk controller where as disk duplexing option uses additional disk controller. In RAID 1 aka Disk Mirroring, one drive in the array acts as "Mirror" drive, backing up all the data on the primary drive on-the-fly.
"Duplexing" option adds another disk controller, in case one controller fails, the other controller will take over automatically with out any interruption in the service.
"Duplexing" option adds another disk controller, in case one controller fails, the other controller will take over automatically with out any interruption in the service.
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