Hitachi Dynamic Link Manager Software Users Guide for Linux

Overview of the HDLM Command dlnkmgr
This section describes how to specify the HDLM command dlnkmgr and its
subcommands (called operations in HDLM).
Command format
Enter the command using the following format:
dlnkmgr operation [parameter [parameter-value]]
dlnkmgr
The command name.
operation
The type of operation entered after dlnkmgr.
parameter
A value required for an operation.
parameter-value
A value required for an operation parameter.
Operations of the dlnkmgr command
Table 6-1 Operations of the dlnkmgr Command on page 6-2 shows the
operations of dlnkmgr and their functions.
Table 6-1 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 clear (Returns the Path
Statistics to the Initial Value) on page 6-3.
help
Displays the format of the operations used for HDLM. For details, see
help (Displays the Operation Format) on page 6-4.
offline
Places offline an online path or paths. For details, see offline (Places
Paths Offline) on page 6-6.
online
Places online an offline path or paths. For details, see online (Places
Paths Online) on page 6-10.
set
Sets the HDLM operating environment. For details, see set (Sets Up the
Operating Environment) on page 6-15.
view
Displays HDLM program information, path information, LU information,
and corresponding information about each HDLM device, SCSI device,
and LDEV. For details, see view (Displays Information) on page 6-31.
add
Dynamically adds a path as an HDLM-management target. For details,
see add (Adds a Path Dynamically) on page 6-69.
delete
Dynamically deletes a path that is an HDLM-management target. For
details, see delete (Deletes a Path Dynamically) on page 6-71.
Notes:
6-2
Command Reference
Hitachi Dynamic Link Manager (for Linux®) User Guide