Interpreting The Hardware Path - HP StorageWorks 2405 - Disk System User Manual

Interpreting the Hardware Path

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Bus Converter
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The disks shown in the previous sample ioscan -fn are the ST318451FC (used in
the A6191A disk module) and the ST336704FC (used in the A6192A disk
module). The full descriptions of the supported disk modules are:
ST336605FC 36 Gbyte 10K rpm disk FC disk module (A6192A)
ST336704FC
ST373405FC 73 Gbyte 10K rpm disk FC disk module (A6194A)
ST318451FC 18 Gbyte 15K rpm disk FC disk module (A6191A)
ST318452FC
ST336752FC 36 Gbyte 15K rpm disk FC disk module (A6193A)
The elements of the Fibre Channel hardware path are interpreted as follows:
Bus (Upper 4 bits of the loop ID)
Port (255 = the target connected directly to the FC)
Area (0 = point-to-point or private loop)
Protocol Type (8 = mass storage)
Adapter
The loop ID, broken out in upper and lower bits in the example above, is 46. To
derive the loop ID from the Bus and Target values of the hardware path:
1 Convert the Bus and Target fields (the upper and lower bits of the loop ID) to
binary:
0 0 1 0 (Upper 4 bits of the loop ID)
LUN (Logical Unit Number of disk)
Target (Lower 4 bits of the loop ID)
1 1 1 0 (Lower 4 bits of the loop ID)
Configuration 83