NEC VERSA S1300 Series, User Manual

Page: 46 / 118

WWN Mode
This mode establishes and maintains the logical disks accessible from each WWN of
the host bus adapter in the disk array unit to control the access to the logical disks on a
host bus adapter-by-host bus adapter basis.
Table 1-5 Setup of WWN and LD Numbers
LD number
HBA number
00 01 02 03 04 05 06 07 08 09
0 √ √ – – √ – √ – – –
1
∆ ∆
– –
∆
–
∆
– – –
2 – –
√ √
–
√
–
√
– –
√
: Registers the HBA WWN and HD number in the access limitation list as accessible item.
–: Registers the HBA WWN and HD number in the access limitation list as inaccessible item.
∆
: Registers the WWN of HBA0/HBA1 and the HD number in the access limitation list as accessible
item. If the business server A supports the path switching feature, the logical disks are accessible
through switch 1 even in case that switch 0 is faulty and the access is rejected.
Once the above setup is made:
The server A can access logical disks LD00, LD01, LD04, and LD06.
The server B can access logical disks LD02, LD03, LD05, and LD07.
LD08 and LD09 are accessible from neither business server.
Figure 1-14 Setup Example in WWN Mode
1-28 System Overview