How to Add a 3rd Disk to Create a 3-way Mirror RAID1 MD Device

(Doc ID 2335746.1)

Last updated on JANUARY 15, 2018

Applies to:

Linux OS - Version Oracle Linux 7.3 with Unbreakable Enterprise Kerne [4.1.12] and later
Information in this document applies to any platform.

Goal

How to create a 3 mirror RAID1 "md" device by adding a 3rd disk to a 2 mirror device.

 

Solution

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