From 66bbbeab9506669f73b4c0bf2101be7171e2592b Mon Sep 17 00:00:00 2001 From: Vivek Saraswat Date: Mon, 2 Oct 2017 11:50:25 -0700 Subject: [PATCH] HEAD vs GET for ping (#4758) Adding a description of https://github.com/docker/orca/issues/9701 until we can get this fixed --- .../ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/datacenter/ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md b/datacenter/ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md index d04aca30a3..d40d87510d 100644 --- a/datacenter/ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md +++ b/datacenter/ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md @@ -60,7 +60,11 @@ unhealthy. If you're accessing the `_ping` endpoint through a load balancer, you'll have no way of knowing which UCP manager node is not healthy, since any manager node might be serving your request. Make sure you're connecting directly to the -URL of a manager node, and not a load balancer. +URL of a manager node, and not a load balancer. In addition, please be aware that +pinging the endpoint with HEAD will result in a 404 error code. It is better to +use GET instead. + + ## Where to go next