raid_restore: fixes for raid 0.9 and mdadmn

hdd/raid_restore.sh

@@ -2,7 +2,8 @@
 get_array_uuid()
 {
     local dev="$1"
-    mdadm -E $dev | grep "Array UUID : " | sed -e "s|.*Array UUID : ||"
+    # "Array UUID for 1.2 and UUID for 0.9"
+    mdadm -E $dev | grep " UUID : " | sed -e "s|.* UUID : ||"
 }
 
 get_md_by_uuid()
@@ -53,7 +54,12 @@ DEVS="/dev/sd*"
 
 for dev in $DEVS ; do
     ARRAYUUID=$(get_array_uuid $dev)
-    [ -n "$ARRAYUUID" ] && MDDEV=$(get_md_by_uuid $ARRAYUUID) || MDDEV=''
+    if [ -n "$ARRAYUUID" ] ; then
+        MDDEV=$(get_md_by_uuid $ARRAYUUID) || MDDEV=''
+    else
+        echo "can't retrieve array UUID for $dev. Skipping"
+        continue
+    fi
     STATUS="$(get_dm_status $MDDEV)"
     echo "$dev - $ARRAYUUID - $MDDEV, status: $STATUS"
     [ -n "$ARRAYUUID" ] && [ -z "$MDDEV" ] && echo "!!!! can't detect md for $dev"
@@ -63,7 +69,7 @@ for dev in $DEVS ; do
         echo "$STATUS" | grep -q "recovering" && echo "Skip $MDDEV, already recovering ..." && continue
         echo "Restore degrated $MDDEV ...."
         # TODO: --readwrite for SSD
-        mdadm $MDDEV --re-add $dev
+        mdadm $MDDEV --add $dev
     fi
 done