tm/mv - enhance system ds dir move on same host

Signed-off-by: Kristian Feldsam <feldsam@gmail.com>

Author: feldsam

tm/3par/mv

@@ -100,17 +100,29 @@ if [ `is_disk $DST_PATH` -eq 0 ]; then
 
     ssh_exec_and_log "$DST_HOST" "rm -rf '$DST_PATH'" \
         "Error removing target path to prevent overwrite errors"
-    
-    TAR_SSH=$(cat <<EOF
-    set -e -o pipefail
-    
-    $TAR -C $SRC_DS_DIR --sparse -cf - $SRC_VM_DIR | $SSH $DST_HOST '$TAR -C $DST_DIR --sparse -xf -'
-    rm -rf $SRC_PATH
+
+    if [ "$SRC_HOST" == "$DST_HOST" ]; then
+      log "Moving on same host only between datastores"
+
+      MV_CMD=$(cat <<EOF
+      set -e -o pipefail
+
+      mv $SRC_PATH $DST_PATH
+EOF
+)
+      ssh_exec_and_log "$SRC_HOST" "$MV_CMD" "Error moving disk directory to new location"
+    else
+      TAR_SSH=$(cat <<EOF
+      set -e -o pipefail
+
+      $TAR -C $SRC_DS_DIR --sparse -cf - $SRC_VM_DIR | $SSH $DST_HOST '$TAR -C $DST_DIR --sparse -xf -'
+      rm -rf $SRC_PATH
 EOF
 )
 
-    ssh_exec_and_log "$SRC_HOST" "$TAR_SSH" "Error copying disk directory to target host"
-    
+      ssh_exec_and_log "$SRC_HOST" "$TAR_SSH" "Error copying disk directory to target host"
+    fi
+
     exit 0
 fi