Data transfer speed for fibre channel ports – HP StorageWorks XP Remote Web Console Software User Manual
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LUN Manager for the XP1024/XP128
Data transfer speed for Fibre Channel ports
As disk array operation continues, you may notice that a larger amount of data is transferred at some
ports and a smaller amount is transferred at other ports. To improve system performance, set a faster data
transfer speed for ports where a larger amount of data is transferred, and a slower data transfer speed for
ports where a smaller amount of data is transferred.
Standard, high-speed, and high-speed (2 port) modes
The channel adapter boards can operate in standard, high-speed, or high-speed (2-port) mode. Standard
mode is the default. If a channel adapter board satisfies certain conditions, you can set it to high-speed or
high-speed (2 port) mode to improve port performance.
NOTE:
High-speed (2 port) mode is available only if firmware version 21.06.22 or later is installed on
the disk array.
High-speed mode can be applied to channel adapter boards that satisfy the following conditions:
•
Only one port is planned for use.
•
All ports take the same Fibre topology option (on or off).
•
All ports take FC-AL as the Connection option.
•
All ports use different port addresses and no matching addresses.
•
All ports take the same port attribute (Initiator, RCU target, or Target).
If high-speed mode is applied to a channel adapter board, only one of the ports on the channel adapter
board can be used. This port can exclusively use channel processors and fibre optic processors (FOPs)
D2
13
9E
45
5A
77
29
109
D1
14
9D
46
59
78
27
110
CE
15
9B
47
56
79
26
111
CD
16
98
48
55
80
25
112
CC
17
97
49
54
81
23
113
CB
18
90
50
53
82
1F
114
CA
19
8F
51
52
83
1E
115
C9
20
88
52
51
84
1D
116
C7
21
84
53
4E
85
1B
117
C6
22
82
54
4D
86
18
118
C5
23
81
55
4C
87
17
119
C3
24
80
56
4B
88
10
120
BC
25
7C
57
4A
89
0F
121
BA
26
7A
58
49
90
08
122
B9
27
79
59
47
91
04
123
B6
28
76
60
46
92
02
124
B5
29
75
61
45
93
01
125
B4
30
74
62
43
94
B3
31
73
63
3C
95
Table 4
AL-PA and loop IDs (continued)
AL-PA
Loop ID
AL-PA
Loop ID
AL-PA
Loop ID
AL-PA
Loop ID