doc/cephadm/install.rst: Add troubleshooting for 'CIDR' error

add troubleshooting for 'failed to infer CIDR network...' error

See also
https://tracker.ceph.com/issues/44828

Signed-off-by: Zac Dover <zac.dover@gmail.com>
(cherry picked from commit 4571ee26a05dc7f4b1e266017df48faafb0c1329)

diff --git a/doc/cephadm/install.rst b/doc/cephadm/install.rst
index ca4ff970d640b075660cd45cb8c5547350228da4..36aea18b6341de4913b1a8b2a21dddbab7641621 100644 (file)
--- a/doc/cephadm/install.rst
+++ b/doc/cephadm/install.rst
@@ -167,6 +167,8 @@ To add each new host to the cluster, perform two steps:
      # ceph orch host add host3
 
 
+.. _deploy_additional_monitors:
+
 Deploy additional monitors (optional)
 =====================================
 

diff --git a/doc/cephadm/troubleshooting.rst b/doc/cephadm/troubleshooting.rst
index da4f55317b62f24f17706dbca6bcfd1cd569368a..f7ee0700e9157e31dac28732dc2b37be5f5ced91 100644 (file)
--- a/doc/cephadm/troubleshooting.rst
+++ b/doc/cephadm/troubleshooting.rst
@@ -148,3 +148,16 @@ To verify that the public key is in the authorized_keys file, run the following
 
      [root@mon1 ~]# cephadm shell -- ceph config-key get mgr/cephadm/ssh_identity_pub > key.pub
      [root@mon1 ~]# grep "`cat key.pub`"  /root/.ssh/authorized_keys
+
+Failed to infer CIDR network error
+----------------------------------
+
+If you see this error::
+
+   ERROR: Failed to infer CIDR network for mon ip ***; pass --skip-mon-network to configure it later
+
+This means that you must run a command of this form::
+
+  ceph config set mon public_network <mon_network>
+
+For more detail on operations of this kind, see :ref:`deploy_additional_monitors`