HP StorageWorks Command View SDM Installation and User Guide (T1086-96023, February 2005)

128 Command Line User Interface
enclosure address (Encl Addr).
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Drives Listed in Physical Loop Order
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M/C1.J1 M/C2.J2 M/C1.J2 M/C2.J2
------- ------- ------- -------
M/D4 M/D4 ------- -------
M/D3 M/D3 ------- -------
M/D2 M/D2 ------- -------
M/D1 M/D1 ------- -------
M/D10 M/D10 ------- -------
M/D9 M/D9 ------- -------
M/D8 M/D8 ------- -------
M/D7 M/D7 ------- -------
M/D6 M/D6 ------- -------
M/D5 M/D5 ------- -------
M/D15 M/D15 ------- -------
M/D14 M/D14 ------- -------
M/D13 M/D13 ------- -------
M/D12 M/D12 ------- -------
M/D11 M/D11 ------- -------
Interpreting Disk Path Information
The disk path information is presented in two tables. The first table identifies
the controller paths to each disk, and indicates if the disk is physically present.
If the path information contains a series of hyphens (---), it indicates that the
path to the disk cannot be determined because the controller cannot see the
disk. See disk M/D5 in the preceding example.
The table also lists the addresses assigned to each disk. The addressing
information can be used to identify problems with the array. The three address
fields (Encl Addr, Hard Addr, Assigned Addr) should be the same value.
If the values differ, a problem has occurred. If the Encl Addr and the Hard
Addr fields differ, it may be a result of a hardware failure, such as a bent
connector pin or a backplane failure. If the Hard Addr and the Assigned Addr
fields differ, it may be caused by a hardware failure or resetting an enclosure
address switch.
The second table is a loop map identifying the physical order in which the
disks are accessed on the loop. This map reflects the physical Fibre Channel
cable connections used to connect the external disk enclosures.