Extend the exportfs interface to pass fslocations info into the kernel.

[nfs-utils.git] / utils / exportfs / exports.man

diff --git a/utils/exportfs/exports.man b/utils/exportfs/exports.man
index 3aa8de8ab45b6af86d842c6f502929318556c39e..27a30f9448a73abe3aaba240cd0c2dfd4845d7f6 100644 (file)
--- a/utils/exportfs/exports.man
+++ b/utils/exportfs/exports.man
@@ -334,6 +334,20 @@ set for such kernels.  Setting both a small number and a UUID is
 supported so the same configuration can be made to work on old and new
 kernels alike.
 
+.TP
+.IR refer= path@host[+host][:path@host[+host]]
+A client referencing the export point will be directed to choose from
+the given list an alternative location for the filesystem.
+(Note that the server must have a mountpoint here, though a different
+filesystem is not required; so, for example,
+.IR "mount --bind" " /path /path"
+is sufficient.)
+.TP
+.IR replicas= path@host[+host][:path@host[+host]]
+If the client asks for alternative locations for the export point, it
+will be given this list of alternatives. (Note that actual replication
+of the filesystem must be handled elsewhere.)
+
 .SS User ID Mapping
 .PP
 .I nfsd