diff -up wrk/libusal/scsi-linux-sg.c.wrk wrk/libusal/scsi-linux-sg.c

--- wrk/libusal/scsi-linux-sg.c.wrk	2015-05-31 22:21:03.376694659 +0200

+++ wrk/libusal/scsi-linux-sg.c	2015-05-31 22:22:47.183667927 +0200

@@ -509,7 +509,8 @@ usalo_open(SCSI *usalp, char *device)

 		/* scan and maybe keep one open, sg_setup decides */

 #define HDX 0

 #define SCD 1

-#define SG 2

+#define SCD2 2

+#define SG 3

 		int h;

 /*

 retry_scan_open:

@@ -533,6 +534,15 @@ retry_scan_open:

 						first=0;

 						last=255;

 						break;

+					}

+				case(SCD2):

+					{

+						if(!check_linux_26())

+							continue;

+						pattern="/dev/sr%d";

+						first=0;

+						last=255;

+						break;

 					}

 				case(SG):

 					{