Merge pull request #78300 from jbtrystram/pr/troubleshooting-nfs-add-kmod

COS-2831: troubleshooting/operating-system:  document kdump support over NFS

Author: jldohmann

modules/troubleshooting-enabling-kdump-day-one.adoc

@@ -68,6 +68,19 @@ systemd:
 <4> If you want to change the contents of `/etc/sysconfig/kdump` from the default, include this section and modify the `inline` subsection accordingly.
 <5> For the `ppc64le` platform, replace `nr_cpus=1` with `maxcpus=1`, which is not supported on this platform.
 
+[NOTE]
+====
+To export the dumps to NFS targets, the `nfs` kernel module must be explicitly added to the configuration file:
+
+.Example `/etc/kdump.conf` file
+[source,text]
+----
+nfs server.example.com:/export/cores
+core_collector makedumpfile -l --message-level 7 -d 31
+extra_modules nfs
+----
+====
+
 . Use Butane to generate a machine config YAML file, `99-worker-kdump.yaml`, containing the configuration to be delivered to the nodes:
 +
 [source,terminal]