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Oracle Linux Virtualization Manager (OLVM) (MOSC)

Operation Methodology for “Original” and “Test” Generations of a 2-Node RAC 12.2 on OLVM 4.5.5

Jun 13, 2025 5:15PM in Oracle Linux Virtualization Manager (OLVM) (MOSC) 2 commentsAnswered ✓

1. Background & Configuration

Virtualization platform: Oracle Linux Virtualization Manager 4.5.5-1.42.el8
Guest OS: Oracle Linux 7.9 (UEK) × 2 VMs
RAC version: 12.2.0.1
Disk layout
- Each VM has its own system disk (qcow2)
- A single 200 GiB ASM shareable (multi-attach) disk, subdivided for +DATA, +FRA, +MGMT, etc., is attached to both VMs

2. Objectives

“Original” generation
After a clean shutdown of RAC/ASM/DB, capture and retain a full set of snapshots that can be rolled back at any time.
“Test” generation
Create a fully isolated clone environment from the original so that the OS and database can be modified freely without affecting the original.

3. Questions

Consistent snapshot of multi-attach disks

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