diff --git a/weed/shell/command_volume_fix_replication.go b/weed/shell/command_volume_fix_replication.go
index 55c801284..2c35b3bcd 100644
--- a/weed/shell/command_volume_fix_replication.go
+++ b/weed/shell/command_volume_fix_replication.go
@@ -56,7 +56,7 @@ func (c *commandVolumeFixReplication) Help() string {
 }
 
 func (c *commandVolumeFixReplication) HasTag(tag CommandTag) bool {
-	return tag == ResourceHeavy
+	return false && tag == ResourceHeavy // resource intensive only when deleting and checking with replicas.
 }
 
 func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
diff --git a/weed/shell/command_volume_fsck.go b/weed/shell/command_volume_fsck.go
index d68ec8de5..30d3ecd11 100644
--- a/weed/shell/command_volume_fsck.go
+++ b/weed/shell/command_volume_fsck.go
@@ -60,7 +60,7 @@ func (c *commandVolumeFsck) Name() string {
 }
 
 func (c *commandVolumeFsck) Help() string {
-	return `check all volumes to find entries not used by the filer
+	return `check all volumes to find entries not used by the filer. It is optional and resource intensive.
 
 	Important assumption!!!
 		the system is all used by one filer.