Hitachi MK-96RD621-08 - Manual (Page 26)

1-12 About Storage Navigator Operations
Hitachi Universal Storage Platform V/VM Hitachi Storage Navigator User’s Guide
• CU (control unit). The USP V/VM storage system supports a maximum of
256 logical CUs numbered sequentially from 00–FF. Each CU controls up to
256 LDEVs. LDEVs within the USP V/VM storage system are accessed by a
combination of CU number (00-FF) and device number (00–FF).
However, the CU number FF is reserved for the Command Control Interface
(CCI) operation. Therefore the CUs that can be used for the USP V/VM
program products operation are up to CU number FE. This means that the
number of CUs that can be used for the USP V/VM program products
operation are 255 per LDKC at the maximum.
The following table shows the example of the device numbers for CU.
Table 1-2 Example of Device Numbers for Each CU
CU
Number
Possible
Device
Numbers
CU
Number
Possible
Device
Numbers
CU
Number
Possible
Device
Numbers
CU
Number
Possible
Device
Numbers
0 0:00 to
0:FF 10 10:00 to
10:FF 20 20:00 to
20:FF 30 30:00 to
30:FF
1 1:00 to
1:FF 11 11:00 to
11:FF 21 21:00 to
21:FF 31 31:00 to
31:FF
2 2:00 to
2:FF 12 12:00 to
12:FF 22 22:00 to
22:FF 32 32:00 to
32:FF
3 3:00 to
3:FF 13 13:00 to
13:FF 23 23:00 to
23:FF 33 33:00 to
33:FF
4 4:00 to
4:FF 14 14:00 to
14:FF 24 24:00 to
24:FF 34 34:00 to
34:FF
5 5:00 to
5:FF 15 15:00 to
15:FF 25 25:00 to
25:FF 35 35:00 to
35:FF
6 6:00 to
6:FF 16 16:00 to
16:FF 26 26:00 to
26:FF 36 36:00 to
36:FF
7 7:00 to
7:FF 17 17:00 to
17:FF 27 27:00 to
27:FF 37 37:00 to
37:FF
8 8:00 to
8:FF 18 18:00 to
18:FF 28 28:00 to
28:FF 38 38:00 to
38:FF
9 9:00 to
9:FF 19 19:00 to
19:FF 29 29:00 to
29:FF 39 39:00 to
39:FF
A A:00 to
A:FF 1A 1A:00 to
1A:FF 2A 2A:00 to
2A:FF 3A 3A:00 to
3A:FF
B B:00 to
B:FF 1B 1B:00 to
1B:FF 2B 2B:00 to
2B:FF 3B 3B:00 to
3B:FF
C C:00 to
C:FF 1C 1C:00 to
1C:FF 2C 2C:00 to
2C:FF 3C 3C:00 to
3C:FF
D D:00 to
D:FF 1D 1D:00 to
1D:FF 2D 2D:00 to
2D:FF 3D 3D:00 to
3D:FF
E E:00 to
E:FF 1E 1E:00 to
1E:FF 2E 2E:00 to
2E:FF 3E 3E:00 to
3E:FF
F F:00 to
F:FF 1F 1F:00 to
1F:FF 2F 2F:00 to
2F:FF 3F 3F:00 to
3F:FF