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Oracle Linux: Newly Replaced RAID1 Disk Member Removed From/Out of Sync with Array After Reboot (Doc ID 2162619.1)

Last updated on MAY 22, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86

Symptoms

An Oracle Database Appliance (ODA) machine running Oracle Linux (OL) experienced a RAID disk member failure.
The faulty RAID disk member (/dev/sdaw) was replaced and the RAID1 array (/dev/md1) rebuilt then the server rebooted.
Post reboot, recently replaced disk member (/dev/sdaw) is found to be removed from/out of synch with the array.
The array must be manually rebuilt after each reboot.

Array state after rebuild before reboot:

Changes

 A faulty RAID disk member was replaced within an ODA machine. The RAID array was rebuilt and server rebooted.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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