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OCI - How to Create a Recovery Instance for use in OL8 Boot Volume Recovery

edited Jul 3, 2024 3:34PM in Linux

Applies to:

Oracle Cloud Infrastructure - Version N/A and later

Linux x86-64

Oracle Linux 8

Goal:

This document outlines the steps required to create a temporary Oracle Linux 8 instance that can be used as a "recovery" instance in the event that another Oracle Linux 8 instance will not boot or there are issues detected in the OS configuration that require mounting the root filesystem of the “faulted” instance onto a recovery instance.

The standard configuration for Oracle Linux 8 instances in OCI is to use LVM, and the default LVM Volume Group is named ocivolume.

There can be LVM issues in mounting filesystems from volume groups with the same name even if they reside on different instances. This procedure aims to address that issue.

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