2-11
Installing the adapter
Link topology autosensing
On AIX 5.1, the default value of the “topology” parameter for LP9002L adapter (model
B4–E) is “both”, i.e. loop or point–to–point autosensing.
When this “topology” parameter is set to “both”, the PCI adapter and the facing
equipment automatically negociate the correct topology.
By exception, when the PCI adapter is directly connected to an EMC’s DAS subsystem,
this negociation is unsuccesfull: in that case, the user must manually set the “topology”
parameter to “loop”.
For DAS, the value of Loop_id coded on the Storage Processor (SP) is 7–bit hexadecimal.
The following table shows the correspondance between the 8-bit AL_PA (hexadecimal)
address and the 7-bit Loop ID (hexa and decimal) address.
8-bit
AL_PA
(Hex)
7-bit Loop ID
(Hex) (Decimal)
8-bit
AL_PA
(Hex)
7-bit Loop ID
(Hex) (Decimal)
8-bit
AL_PA
(Hex)
7-bit Loop ID
(Hex) (Decimal)
EF
E8
E4
E2
E1
E0
DC
DA
D9
D6
D5
D4
D3
D2
D1
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A3
9F
9E
9D
9B
98
97
90
8F
88
84
82
81
80
7C
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
4D
4C
4B
4A
49
47
46
45
43
3C
3A
39
36
35
34
56
57
58
59
5A
5B
5C
5D
5E
5F
60
61
62
63
64
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CE
CD
CC
CB
CA
C9
C7
C6
C5
C3
BC
BA
B9
B6
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
15
16
17
18
19
20
21
22
23
24
25
26
27
28
7A
79
76
75
74
73
72
71
6E
6D
6C
6B
6A
69
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
58
59
60
61
62
63
64
65
66
67
68
69
70
71
33
32
32
2E
2D
2C
2B
2A
29
27
26
25
23
1F
65
66
67
68
69
6A
6B
6C
6D
6E
6F
70
71
72
101
102
103
104
105
106
107
108
109
110
111
112
113
114
B5
B4
B3
B2
B1
AE
AD
AC
AB
AA
A9
A7
A6
A5
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A
29
30
31
32
33
34
35
36
37
38
39
40
41
42
67
66
65
63
5C
5A
59
56
55
54
53
52
51
4E
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
72
73
74
75
76
77
78
79
80
81
82
83
84
85
1E
1D
1B
18
17
10
0F
08
04
02
01
00
_
_
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
7F
_
115
116
117
118
119
120
121
122
123
124
125
126
127
_
Notes:
1 The 8-bit AL_PA is the low–order byte of the port ID.
2 7E and 7F are reserved values and you should not use them on FC equipment
on which you can manually set them (for example, in the DAS subsystems).
Summary of Contents for LP6000
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Page 8: ...vi Fibre Channel Adapters Installation Configuration Guide...
Page 38: ...5 4 Fibre Channel Adapters Installation Configuration Guide...
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