RAID Device not Visible: mdadm --assemble --scan Command Prints Error: "mdadm: No arrays found in config file"
Last updated on NOVEMBER 25, 2017
Applies to:Linux OS - Version Oracle Linux 5.2 to Oracle Linux 7.2 [Release OL5U2 to OL7U2]
After system has booted md0 is missing and all LVs used on top of md0 are not mounted
md0 is not visible at all, /var/log/messages does not hold any IO issues on local disks used by md0.
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