Upgrade Dell EMC VxFlex OS to v3.x This guide provides the upgrade procedures for VxFlex OS components. The following table lists the upgrade support matrix: Table 1. Upgrade support matrix ScaleIO VxFlex OS base version Upgrade path Supporting documentation Earlier than v1.32.6 Consult Customer Support v1.32.6 Upgrade to ScaleIO v188.8.131.52 (intermediate step). Upgrade to VxFlex OS v3.x. VxFlex OS v184.108.40.206 Upgrade Guide v2.0 or v220.127.116.11 Upgrade to ScaleIO v18.104.22.168 (intermediate step). Upgrade to ScaleIO v22.214.171.124 (intermediate step). Upgrade to VxFlex OS v3.x. ScaleIO v126.96.36.199 Upgrade Guide VxFlex OS v188.8.131.52 Upgrade Guide v184.108.40.206 through v220.127.116.11 Upgrade to ScaleIO v18.104.22.168 (intermediate step). Upgrade to VxFlex OS v3.x. ScaleIO v22.214.171.124 Upgrade Guide (https://support.emc.com/docu88029) Upgrade VxFlex OS v3.x Guide v126.96.36.199, v2.5, v2.6.x Upgrade to VxFlex OS v3.x Note:In a VMware HCI environment, the target version is v188.8.131.52. Upgrade VxFlex OS v3.x Guide Note: A new patched SVM is introduced in v184.108.40.206. If you are using VxFlex OS v2.x with a SLES-based SVM, you can replace the SVM with a newly patched CentOS 7.5 based SVM. The replace feature is part of the release and is detailed in this guide. Child Topics Automated and manual upgrade of software components You can upgrade VxFlex OS software components with automated tools, in a non-disruptive manner, or manually upgrade components. Upgrade limitations Check that you are aware of upgrade limitations before commencing the upgrade process. Parent topic Introduction Upgrade VxFlex OS software and firmware components to the latest compatible versions, using automated and manual processes.