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The following commit(s) were added to refs/heads/4.20 by this push:
new ae00f36f systemvm: Update patch systemvm support matrix (#382)
ae00f36f is described below
commit ae00f36f6028fd9ad02352638c2d0733864f5aba
Author: Wei Zhou <[email protected]>
AuthorDate: Wed Oct 22 20:33:50 2025 +0200
systemvm: Update patch systemvm support matrix (#382)
* systemvm: Update patch systemvm support matrix
* add note for VR memory upgrade to 512 MiB
* Add notes for VR live-patch
* Update source/upgrading/upgrade/_sysvm_restart.rst
Co-authored-by: Pearl Dsilva <[email protected]>
---------
Co-authored-by: Pearl Dsilva <[email protected]>
---
source/upgrading/upgrade/_sysvm_restart.rst | 33 +++++++++++++++++------------
1 file changed, 20 insertions(+), 13 deletions(-)
diff --git a/source/upgrading/upgrade/_sysvm_restart.rst
b/source/upgrading/upgrade/_sysvm_restart.rst
index 30f32282..77c40456 100644
--- a/source/upgrading/upgrade/_sysvm_restart.rst
+++ b/source/upgrading/upgrade/_sysvm_restart.rst
@@ -35,19 +35,26 @@ This will update the software packages, which were
previously bundled in the sys
agent.zip and cloud-scripts.tgz and restart the services that are present in
the /var/cache/cloud/enabled_svcs file
in the System VMs.
+.. note::
+ The System VM template has been upgrade to Debian 12.x in Apache CloudStack
4.20.0.0.
+ Due to it, the memory size of default system offerings has been changed to
512 MiB.
+ If you use custom system offerings, please check the memory size of the
offerings.
+ If memory size is small (for example 256 MiB), the System VMs and virtual
routers might have the "kernel panic" issue on boot.
+
.. note::
The following services will be restarted once a system VM is live patched:
- +---------------------+-------------------------------+
- | **System VM** | **Services** |
- +---------------------+-------------------------------+
- | SSVM | cloud, apache2, portmap |
- +---------------------+-------------------------------+
- | CPVM | cloud |
- +---------------------+-------------------------------+
- | VRs | haproxy, apache2, dnsmasq |
- +---------------------+-------------------------------+
+
+---------------------+-------------------------------+---------------------------------------------------+
+ | **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 |
+
+---------------------+-------------------------------+---------------------------------------------------+
With respect to VRs, a Network restart without cleanup is initiated to
during live patching to ensure all rules
are re-applied.
@@ -64,12 +71,12 @@ Following matrix lists the versions of CloudStack that
support live patching.
+---------------------+-------------------------+--------------------------------+------------------------------------------+
| **ACS Version** | **Upgrade Version** | **Live Patching
Support** | **Reason / Comment** |
+---------------------+-------------------------+--------------------------------+------------------------------------------+
- | <=4.13 | 4.17+ | No
| Update in the openJDK version |
+ | <=4.15 | 4.20+ | No
| Debian 10 (buster) is EOL on 2024-06-30 |
+---------------------+-------------------------+--------------------------------+------------------------------------------+
- | 4.14 | 4.17+ |Yes
| May notice some issue with remove access |
- | | |
| VPN due to older version of Strongswan |
+ | >=4.16 | 4.19 | Yes
| N/A |
+---------------------+-------------------------+--------------------------------+------------------------------------------+
- | >=4.15 | 4.17+ |Yes
| N/A |
+ | >=4.16 | 4.20 | Yes
| May notice some issues due to Debian |
+ | | |
| upgrade from 11(bullseye) to 12(bookworm)|
+---------------------+-------------------------+--------------------------------+------------------------------------------+
In addition to the support for live patching, users still have the facility to
follow the legacy workflow
