local ZFS: improve memory-limit section

[pve-docs.git] / pvecm.adoc

diff --git a/pvecm.adoc b/pvecm.adoc
index 0fad203df17877e0fde98cefd28762f91c754146..2fe532e9998f34af3e1104fe4695fd0ed5c2953a 100644 (file)
--- a/pvecm.adoc
+++ b/pvecm.adoc
@@ -27,8 +27,10 @@ endif::manvolnum[]
 The {PVE} cluster manager `pvecm` is a tool to create a group of
 physical servers. Such a group is called a *cluster*. We use the
 http://www.corosync.org[Corosync Cluster Engine] for reliable group
-communication, and such clusters can consist of up to 32 physical nodes
-(probably more, dependent on network latency).
+communication. There's no explicit limit for the number of nodes in a cluster.
+In practice, the actual possible node count may be limited by the host and
+network performance. Currently (2021), there are reports of clusters (using
+high-end enterprise hardware) with over 50 nodes in production.
 
 `pvecm` can be used to create a new cluster, join nodes to a cluster,
 leave the cluster, get status information and do various other cluster