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From: Daniel Kral <d.kral@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [PATCH docs v2 17/19] ha-manager: crs: add dynamic load scheduler section
Date: Wed, 15 Apr 2026 11:15:44 +0200	[thread overview]
Message-ID: <20260415091635.162224-18-d.kral@proxmox.com> (raw)
In-Reply-To: <20260415091635.162224-1-d.kral@proxmox.com>

For pve-ha-manager >= 5.2.0, the HA Manager also has a dynamic-load
scheduler mode.

Signed-off-by: Daniel Kral <d.kral@proxmox.com>
Reviewed-by: Michael Köppl <m.koeppl@proxmox.com>
---
changes v1 -> v2:
- add 'section' to the end of the patch subject

 ha-manager.adoc | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/ha-manager.adoc b/ha-manager.adoc
index c5c7f20..0421b86 100644
--- a/ha-manager.adoc
+++ b/ha-manager.adoc
@@ -1453,6 +1453,14 @@ Static usage information from active guests on each node is used to choose the
 best-fitting node for an HA resource. This includes the configured CPU and
 memory quotas for the active guests.
 
+[[_dynamic_scheduler]]
+Dynamic-Load Scheduler
+^^^^^^^^^^^^^^^^^^^^^^
+
+Dynamic usage information from active guests on each node is used to choose the
+best-fitting node for an HA resource. This includes the average CPU and memory
+usage as well as the configured CPU and memory quotas for the active guests.
+
 [[ha_manager_crs_scheduling_points]]
 CRS Scheduling Points
 ~~~~~~~~~~~~~~~~~~~~~
@@ -1499,8 +1507,9 @@ the current node, the HA resource will be migrated to the selected node.
 For the xref:_basic_scheduler[basic scheduler mode], the node with the least
 resources count is considered as the best suited node.
 
-For the xref:_static_scheduler[static-load scheduler mode], each node in turn
-is considered as if the HA resource was already running on it, using CPU and
+For the xref:_static_scheduler[static] and
+xref:_dynamic_scheduler[dynamic-load scheduler mode], each node in turn is
+considered as if the HA resource was already running on it, using CPU and
 memory usage from the associated guest configuration. Then for each such
 alternative, CPU and memory usage of all nodes are considered, with memory
 being weighted much more, because it's a truly limited resource. For both, CPU
@@ -1512,10 +1521,10 @@ considered.
 This setting can be enabled with the CRS option `ha-rebalance-on-start` in the
 web interface under `Datacenter` -> `Options` -> `Cluster Resource Scheduling`.
 
-IMPORTANT: For the static-load scheduler mode, this functionality is still in
-technology preview. The more HA resources the more possible combinations there
-are, so it's currently not recommended to use it if you have thousands of HA
-resources.
+IMPORTANT: For the static-load and dynamic-load scheduler mode, this
+functionality is still in technology preview. The more HA resources the more
+possible combinations there are, so it's currently not recommended to use it if
+you have thousands of HA resources.
 
 ifdef::manvolnum[]
 include::pve-copyright.adoc[]
-- 
2.47.3





  parent reply	other threads:[~2026-04-15  9:17 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-15  9:15 [PATCH-SERIES docs/manager v2 00/19] crs docs updates + load balancer ui and docs followup Daniel Kral
2026-04-15  9:15 ` [PATCH manager v2 01/19] ui: form/CRSOptions: add missing edit modal title Daniel Kral
2026-04-15  9:15 ` [PATCH manager v2 02/19] ui: form/CRSOptions: rename HA Scheduling to Scheduling Mode Daniel Kral
2026-04-15  9:15 ` [PATCH manager v2 03/19] ui: form/CRSOptions: replace HA service term with HA resource Daniel Kral
2026-04-15  9:15 ` [PATCH manager v2 04/19] ui: form/CRSOptions: use view model for auto rebalancing option Daniel Kral
2026-04-15  9:15 ` [PATCH manager v2 05/19] ui: form/CRSOptions: allow auto rebalancing only for static and dynamic mode Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 06/19] ha-manager: crs: replace service term with HA resource Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 07/19] ha-manager: crs: remove note about manual changes to datacenter config Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 08/19] ha-manager: crs: improve introduction Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 09/19] ha-manager: crs: introduce crs scheduling mode section Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 10/19] ha-manager: crs: generalize the description for basic and static load modes Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 11/19] ha-manager: crs: remove HA group config from scheduling points list Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 12/19] ha-manager: crs: use impose instead of empose for rules description Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 13/19] ha-manager: crs: use headings for the scheduling points Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 14/19] ha-manager: crs: reword the rebalance on start scheduling point Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 15/19] ha-manager: crs: add more information about rebalance on start in its section Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 16/19] ha-manager: crs: change crs modes to include all active guests Daniel Kral
2026-04-15  9:15 ` Daniel Kral [this message]
2026-04-15  9:15 ` [PATCH docs v2 18/19] screenshots: update crs datacenter options screenshot Daniel Kral
2026-04-15  9:15 ` [PATCH docs v2 19/19] ha-manager: crs: add load balancer section Daniel Kral

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