X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/d1327f9456b561c059c18c76f63391728ce1780d..57d3837ca9a8c5e4e71f9741931cc67e908fb3dd:/services/keepstore/volume.go

diff --git a/services/keepstore/volume.go b/services/keepstore/volume.go
index 9bf291bdea..7966c41b92 100644
--- a/services/keepstore/volume.go
+++ b/services/keepstore/volume.go
@@ -195,6 +195,11 @@ type Volume interface {
 	// will fail because it is full, but Mtime or Delete can
 	// succeed -- then Writable should return false.
 	Writable() bool
+
+	// Replication returns the storage redundancy of the
+	// underlying device. It will be passed on to clients in
+	// responses to PUT requests.
+	Replication() int
 }
 
 // A VolumeManager tells callers which volumes can read, which volumes