What To Do For A Path Error - Hitachi XP P9500 User Manual

PathName
The path name, which indicates a path. When you modify the system
configuration or replace a hardware item, you should check the path
names to identify the paths that will be affected by the change.
A path name consists of the following four elements, separated by
periods:
¢
¢
¢
¢
This path name is also the same as PathName displayed by the dlnkmgr
command's view operation. For details on the path name, see
(Displays Information) on page
DNum
A Dev number, which is equivalent to a logical volume number in AIX.
A Dev number beginning from 0 is assigned to the Dev in the LU.
In AIX, this value is fixed to 0 because one LU contains one Dev.
This is the same as the DNum that is displayed by the dlnkmgr command's
view operation. For details on this operation, see
Information) on page
HDevName
The name of the host device.
Hdisk name is displayed.
This is the same as the HDevName that is displayed by the dlnkmgr
command's view operation. For details on this operation, see
(Displays Information) on page

What To Do for a Path Error

When a path error is detected, HDLM performs a failover on the path and
outputs the KAPL08022-E message. This message indicates that an error has
occurred in the components that make up the path.
when the KAPL08022-E message is output on page 5-4
components.
HBA adapter number or adapter type (character string)
Bus number or adapter number (character string)
Target ID (hexadecimal)
Host LU number (hexadecimal)
6-30.
Troubleshooting
Hitachi Dynamic Link Manager User Guide (for AIX(R))
6-30.
view (Displays
6-30.
Figure 5-1 Error location
view
view
indicates these
5-3