System Setup and Software Installation Guide for Cisco Optical Site Manager, IOS XR

Resource allocations for SVO instances in high-availability deployments

Updated: March 2, 2026

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Overview

This topic explains the minimum and recommended resource allocations for SVO instances in high-availability deployments to help ensure stable failover and consistent sizing across virtual machines.

To define SVO instances, ensure the necessary resources are allocated. For high availability, allocate identical resources on both VMs to maintain consistency and failover support.

Supported resources per node or instance

Table 1. Supported resources per Node or Instance
Node or Instance	Memory	Degree	Maximum memory allowed
OLA / ROADM	2.1 GB	up to 4 degrees	32 GB
ROADM	4 GB	greater than 4 degrees	32 GB

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