Overview of the HDLM command dlnkmgr

Dynamic Link Manager (for Linux®) User Guide

Version

9.0.x

Audience

anonymous

Part Number

MK-92DLM113-64

ft:lastEdition

2025-11-06

This section describes command formats and operations used for HDLM.

Command format

Enter the command using the following format:

dlnkmgr operation-name [parameter [parameter-value]]

dlnkmgr: The command name.

operation-name: The type of operation entered after dlnkmgr.

parameter: A value required for an operation.

parameter-value: A value required for a parameter.

Operations of the dlnkmgr command

Table 1 shows the operations of dlnkmgr and their functions.

Table. Operations of the dlnkmgr command
Operation	Functions
`clear`	Initializes(0) the statistics (I/O count and I/O errors) of all paths managed by the HDLM system. For details, see COM_MNL_CLEAR_(RETURNS_THE_PATH_STATISTICS_TO_THE_INITIAL_VALUE)=GUID-38CB6E46-33AD-4900-A011-3F2687D6F85C=3=EN=.html.
`help`	Displays the format of the operation used for HDLM. For details, see COM_MNL_HELP_(DISPLAYS_THE_OPERATION_FORMAT)=GUID-D59BBEE5-2465-440B-A459-B0DD8370E029=3=EN=.html.
`offline`	Places offline an online path or paths. For details, see COM_NL_OFFLINE_(PLACES_PATHS_OFFLINE)=GUID-E31AE476-5ECD-4BE5-A0B2-AB86C1074B74=2=EN=.html.
`online`	Places online an offline path or paths. For details, see COM_MNL_ONLINE_(PLACES_PATHS_ONLINE)=GUID-1465D67A-2343-483F-A2FA-1025E1E82C32=4=EN=.html.
`set`	Sets the HDLM operating environment. For details, see COM_MNL_SET_(SETS_UP_THE_OPERATING_ENVIRONMENT)=GUID-D5D49D56-5FD4-47C9-B3EF-F783D00A63D0=3=EN=.html.
`view`	Displays HDLM program information, path information, LU information, and corresponding information about each HDLM device, SCSI device, and LDEV. For details, see COM_MNL_VIEW_(DISPLAYS_INFORMATION)=GUID-311C4B1B-E8E6-4963-9C3C-6D33AD0261DD=3=EN=.html.
`add`	Dynamically adds a path as an HDLM-management target. For details, see COM_MNL_ADD_(ADDS_A_PATH_DYNAMICALLY)=GUID-C8FE1ED3-F599-4131-ABF3-39EE25BE1F6D=3=EN=.html.
`delete`	Dynamically deletes a path that is an HDLM-management target. For details, see COM_MNL_DELETE_(DELETES_A_PATH_DYNAMICALLY)=GUID-75833FE0-A21C-4463-BEA9-D2E8B290AA64=3=EN=.html.
`refresh`	Applies the storage system settings to HDLM. For details, see COM_MNL_REFRESH_(APPLIES_STORAGE_SYSTEM_SETTINGS_TO_HDLM)=GUID-A26D9B58-EF77-4A62-B181-68D7667AF511=3=EN=.html.

Notes

Execute the command as a user with root permissions.
To specify a value that contains a space in its parameter, enclose the entire value in double quotes (").
Immediately after system startup, access might fail with a KAPL01012-E error because the HDLM manager has not finished starting. If this happens, wait a moment and then run the command again.