From 1b8dc0acd15c28d773fc5eb7e3c21669bb00ab6f Mon Sep 17 00:00:00 2001 From: Zac Dover Date: Tue, 25 Apr 2023 17:46:53 +1000 Subject: [PATCH] doc/cephfs: explain cephfs data and metadata set Explain how to set application metadata for the CephFS data pool and the CephFS metadata pool. Signed-off-by: Zac Dover (cherry picked from commit 9152f9700420f9735533f276559af87dff97bd75) --- doc/cephfs/nfs.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/doc/cephfs/nfs.rst b/doc/cephfs/nfs.rst index 7b287bbc6ca66..75e804e20f1bc 100644 --- a/doc/cephfs/nfs.rst +++ b/doc/cephfs/nfs.rst @@ -56,6 +56,18 @@ in the sample conf. There are options to do the following: - enable read delegations (need at least v13.0.1 ``libcephfs2`` package and v2.6.0 stable ``nfs-ganesha`` and ``nfs-ganesha-ceph`` packages) +.. important:: + + Under certain conditions, NFS access using the CephFS FSAL fails. This + causes an error to be thrown that reads "Input/output error". Under these + circumstances, the application metadata must be set for the CephFS metadata + and CephFS data pools. Do this by running the following command: + + .. prompt:: bash $ + + ceph osd pool application set cephfs cephfs + + Configuration for libcephfs clients ----------------------------------- -- 2.39.5