volume.fix.replication: adjust the retry checking times

weed/shell/command_volume_fix_replication.go

@@ -58,7 +58,7 @@ func (c *commandVolumeFixReplication) Do(args []string, commandEnv *CommandEnv,
 	c.collectionPattern = volFixReplicationCommand.String("collectionPattern", "", "match with wildcard characters '*' and '?'")
 	skipChange := volFixReplicationCommand.Bool("n", false, "skip the changes")
 	noDelete := volFixReplicationCommand.Bool("noDelete", false, "Do not delete over-replicated volumes, only fix under-replication")
-	retryCount := volFixReplicationCommand.Int("retry", 0, "how many times to retry")
+	retryCount := volFixReplicationCommand.Int("retry", 5, "how many times to retry")
 	volumesPerStep := volFixReplicationCommand.Int("volumesPerStep", 0, "how many volumes to fix in one cycle")
 
 	if err = volFixReplicationCommand.Parse(args); err != nil {