Hitachi Dynamic Link Manager Software GUI Help

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4.2 Checking error information in messages

You can check path errors by referring to the KAPL08xxx messages that are output to Event log.

To obtain detailed information about a path, check the Path List view of the Path Management window according to the type of message.

Note
  • When a path is added to an LU, the following messages might appear:
    - KAPL08019-E and KAPL08022-E
    - KAPL05301-E
    Note that these messages are output by Windows activities, and not by an error.
  • When an LU is deleted from the HDLM management target by using the LU deletion functionality, the KAPL08022-E message might not be output to the event log. In this case, refer to the KAPL05301-E message to check the path information.

The elements of the message are explained below.

For details about the KAPL05301-E message, see When an LU or path is deleted due to disconnection of a path in (2) Checking that the LU or path is deleted dynamically in 3.3.2 Deleting an LU dynamically.

ErrorCode
The error number generated when Windows detected the path error.

PathID
The ID assigned to a path. This ID is called the AutoPATH_ID. AutoPATH_IDs are re-assigned every time the host is restarted.
This path ID is the same as the path ID displayed in the Path List view in the Path Management window.

PathName
The path name, which indicates a physical path. When you modify the system configuration or replace a hardware item, you should check the path names to identify the physical paths that will be affected by the change.
A path name consists of the following four elements, separated by periods:
  • Host port number (hexadecimal)
  • Bus number (hexadecimal)
  • Target ID (hexadecimal)
  • Host LU number (hexadecimal)
This name is the same as the path name displayed in the Path List view in the Path Management window for the HDLM GUI. For details about path names, check the path names described in 5.2.3 Path List view in the view frame.

DNum
A Dev number. A 0 is displayed for a Dev that indicates the entire LU.

HDevName
The name of the host device.
A drive letter appears. If no drive letter has been assigned, a hyphen (-) appears.

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