McDATA 3000 manual Configuring Tape Device Extension, Device WWN Device Type Lun Source WWN

9

Configuring Tape Device Extension

selecting the Show Source WWN Filtering check box on the UCM FibreChannel Advanced tab. This field is used to define which server can access a LUN, based upon the server’s WWN. It prevents more than one server from accessing a LUN.

Table 9-6Edge 10 Source WWN Filtering

Device			Mapped
LUN	Device WWN	Device Type	Lun	Source WWN
0		McDATA unit	0
0	A1:A1:A1:A1:A1:A1:A1:A1	Tape A1	1	AA:AA:AA:AA:AA:AA:AA:AA
0	A2:A2:A2:A2:A2:A2:A2:A2	Tape A2	2	AA:AA:AA:AA:AA:AA:AA:AA
0	C4:C4:C4:C4:C4:C4:C4:C4	Tape C4	3	CC:CC:CC:CC:CC:CC:CC:CC
0	FF:02:FF:02:FF:02:FF:02	Media Changer 2	4	00:00:00:00:00:00:00:00

In Table 8-6 above, Server A and Server C need to see Media Changer 2 (based on the illustration in Figure 8-3). Using the default WWN of all zeros in the Source WWN field will allow any WWN access to that LUN.

Table 9-7Edge 20 Source WWN Filtering

Device			Mapped
LUN	Device WWN	Device Type	LUN	Source WWN
0		McDATA unit	0
0	B2:B2:B2:B2:B2:B2:B2:B2	Tape B2	1	BB:BB:BB:BB:BB:BB:BB:BB
0	FF:01:FF:01:FF:01:FF:01	Media Changer 1	2	BB:BB:BB:BB:BB:BB:BB:BB

Configuring Tape Device Extension

To configure your Edge for a FC/SCSI Tape Pipelining implementation, the following eight procedures are necessary. Complete each procedure in the order shown below:

1.Gathering the IP Addresses

2.Starting UltraNet ConfigManager

3.Adding Nodes for an Ethernet WAN Configuration

9-8 McDATA UltraNet Edge 3000 User Guide