From ee736ab3f2eba5eb3e7920917885df2000ed9be7 Mon Sep 17 00:00:00 2001 From: Manoj Kumar Date: Tue, 13 Jan 2026 18:53:09 +0530 Subject: [PATCH] Add minreq.sysvmtemplate.versione example for VR live patch --- source/upgrading/upgrade/_sysvm_restart.rst | 35 +++++++++++++++------ 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/source/upgrading/upgrade/_sysvm_restart.rst b/source/upgrading/upgrade/_sysvm_restart.rst index 77c40456ef..3df02b3f64 100644 --- a/source/upgrading/upgrade/_sysvm_restart.rst +++ b/source/upgrading/upgrade/_sysvm_restart.rst @@ -45,16 +45,31 @@ in the System VMs. The following services will be restarted once a system VM is live patched: - +---------------------+-------------------------------+---------------------------------------------------+ - | **System VM** | **Services** | **Note** | - +---------------------+-------------------------------+---------------------------------------------------+ - | SSVM | cloud, apache2, portmap | | - +---------------------+-------------------------------+---------------------------------------------------+ - | CPVM | cloud | | - +---------------------+-------------------------------+---------------------------------------------------+ - | VRs | haproxy, apache2, dnsmasq | Please set setting `minreq.sysvmtemplate.version` | - | | | to proper value before live-patching | - +---------------------+-------------------------------+---------------------------------------------------+ + +---------------------+-------------------------------+ + | **System VM** | **Services** | + +---------------------+-------------------------------+ + | SSVM | cloud, apache2, portmap | + +---------------------+-------------------------------+ + | CPVM | cloud | + +---------------------+-------------------------------+ + | VRs | haproxy, apache2, dnsmasq | + | | | + +---------------------+-------------------------------+ + + **NOTE**: Before live patching Virtual Routers (VRs), administrators must ensure that + the global configuration parameter ``minreq.sysvmtemplate.version`` is set + to the minimum supported VR template version. + + For example, if the deployed Virtual Router template version is ``4.20.1``, + set: + + :: + + minreq.sysvmtemplate.version = 4.20.1 + + This ensures that live patching is only performed on Virtual Routers running + template version ``4.20.1`` or later. Virtual Routers using older template + versions must be upgraded before live patching is attempted. With respect to VRs, a Network restart without cleanup is initiated to during live patching to ensure all rules are re-applied.