From: Xiubo Li <xiubli@redhat.com>
Date: Wed, 11 Dec 2019 01:50:12 +0000 (-0500)
Subject: mount.ceph: give a hint message when no mds is up or cluster is laggy
X-Git-Tag: v14.2.8~48^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=39fb11569145a28bff588f153b13d134c815084d;p=ceph.git

mount.ceph: give a hint message when no mds is up or cluster is laggy

When the cluster is laggy or no MDS is up the mount may time out with
errno == EHOSTUNREACH for the first time to do the mounting, and will
just return the same errno without waiting for the following retries.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
(cherry picked from commit 28ae01af7f42e8709baeeb2e22df720d9cb61e9b)
---

diff --git a/src/mount/mount.ceph.c b/src/mount/mount.ceph.c
index 3a612f3d45d4f..e970648c59d6d 100644
--- a/src/mount/mount.ceph.c
+++ b/src/mount/mount.ceph.c
@@ -508,6 +508,9 @@ int main(int argc, char *argv[])
 		case ENODEV:
 			fprintf(stderr, "mount error: ceph filesystem not supported by the system\n");
 			break;
+		case EHOSTUNREACH:
+			fprintf(stderr, "mount error: no mds server is up or the cluster is laggy\n");
+			break;
 		default:
 			fprintf(stderr, "mount error %d = %s\n",errno,strerror(errno));
 		}