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rohit pushed a commit to branch 4.18
in repository https://gitbox.apache.org/repos/asf/cloudstack-documentation.git
The following commit(s) were added to refs/heads/4.18 by this push:
new 07af5fe Add notes on System VM live patch (#345)
07af5fe is described below
commit 07af5fe1bb87d14b94cdaacec78d498ba53d83af
Author: Pearl Dsilva <pearl1...@gmail.com>
AuthorDate: Thu Sep 14 06:30:16 2023 -0400
Add notes on System VM live patch (#345)
* Add notes on System VM live patch
* Update _sysvm_restart.rst
* Update _sysvm_restart.rst
* Update _sysvm_restart.rst
---------
Co-authored-by: Rohit Yadav <rohit.ya...@shapeblue.com>
---
source/upgrading/upgrade/_sysvm_restart.rst | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/source/upgrading/upgrade/_sysvm_restart.rst
b/source/upgrading/upgrade/_sysvm_restart.rst
index 26aef64..4c2dc8f 100644
--- a/source/upgrading/upgrade/_sysvm_restart.rst
+++ b/source/upgrading/upgrade/_sysvm_restart.rst
@@ -52,9 +52,12 @@ in the system VMs.
With respect to VRs, a network restart without cleanup is initiated to
during live patching to ensure all rules
are re-applied.
- **NOTE:** In case there is an absolute need to upgrade the system VM
template due to availability of
- security patches or update in a package provided by the template, then the
old workflow of recreating the system
- VM will need to be followed, which would mean noticible downtime.
+ **NOTE:** In cases where upgrading the system VM template is necessary due
to availability of security patches
+ or updated packages in the template, or in case live-patch fails for
systemvms and virtual routers due
+ to any issues or limitations (such as VPC networks without any network
tiers) then please follow the
+ traditional method of upgrading system VMs and virtual routers by
restarting or recreating the system VMs
+ and virtual routers (including restarting the network with/without cleanup
as required), which could mean
+ some downtime.
Following matrix lists the versions of CloudStack that support live patching.
