[pve-devel] [PATCH docs 5/7] ha-manager: expand requirements

[Aaron Lauterer]

* make it clear that the corosync/cluster communication is important
* mark hardware watchdogs as optional

Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
---
 ha-manager.adoc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ha-manager.adoc b/ha-manager.adoc
index 3d6fc4a..592ef96 100644
--- a/ha-manager.adoc
+++ b/ha-manager.adoc
@@ -111,6 +111,11 @@ Requirements
 You must meet the following requirements before you start with HA:
 
 * at least three cluster nodes (to get reliable quorum)
++
+NOTE: A stable {pve} cluster communication is the foundation for the high
+availability feature of {pve}. Follow the recommendations in
+xref:pvecm_cluster_requirements[{pve} cluster requirements] to avoid issues
+like nodes fencing themselves, due to an unreliable cluster communication.
 
 * shared storage for VMs and containers
 
@@ -118,7 +123,7 @@ You must meet the following requirements before you start with HA:
 
 * use reliable “server” components
 
-* hardware watchdog - if not available we fall back to the
+* optional hardware watchdog - if not available we fall back to the
   linux kernel software watchdog (`softdog`)
 
 * optional hardware fencing devices
-- 
2.39.5