Hitachi Dynamic Link Manager Software Users Guide for AIX

Table 7-1 Examples of the Starting Time of the Host and the Execution
Time of the Utilities
Operation
Number of paths
for an LU/ Total
number of
paths
#2
Execution time
#1, #3
Execution time of the device
configuration on starting the host
(when HDLM is installed)
4/1024 42 seconds
8/2048 42 seconds
16/4096 43 seconds
Execution time of the device
configuration on starting the host
(when HDLM is not installed)
4/1024 32 seconds
8/2048 38 seconds
16/4096 1 minutes 37 seconds
Executing cfgmgr 4/1024 53 seconds
8/2048 1 minutes 14 seconds
16/4096 1 minutes 51 seconds
Executing dlmrmdev 4/1024 1 minutes 15 seconds
8/2048 1 minutes 27 seconds
16/4096 1 minutes 51 seconds
Executing view -path 4/1024 0.42 seconds
8/2048 1.51 seconds
16/4096 3.41 seconds
#1
The starting time of the host and the execution time of the utilities
depend on the following conditions:
- The hardware configuration (for example, whether you use Fibre
Channel switches)
- The number of hdisk created under the /dev directory
#2
The number of LUs is 256.
#3
The execution environment is as follows:
Machine Spec: CPU: Power4 1200MHz x 2
DLMgetras Utility for Collecting HDLM Error Information
This utility collects information that is needed to analyze HDLM errors that
have occurred: information such as error logs, integrated trace files, trace
files, definition files, core files, system crash dump files, and libraries. The
Utility Reference
7-5
Hitachi Dynamic Link Manager (for AIX) User Guide