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HP Hitachi Dynamic Link Manager Software User Manual

Page 222

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4. HDLM Operation

200

If the command terminates normally, the KAPL10531-I message is displayed. If

the KAPL10531-I message is not displayed, make sure that HDLM-managed

paths are not being used by a process, service, file system, or volume group, and

then perform step 6 again.

7.

Execute the following command to make sure that the status of the hdisks

recognized as HDLM-managed devices is

Defined

.


# lsdev -Cc disk
hdisk0 Available 1S-08-00-8,0 16 Bit LVD SCSI Disk Drive
hdisk1 Available 1S-08-00-9,0 16 Bit LVD SCSI Disk Drive
hdisk2 Available 1S-08-00-10,0 16 Bit LVD SCSI Disk Drive
hdisk3 Defined 1H-08-02 Hitachi Disk Array (Fibre)
hdisk4 Defined 1H-08-02 Hitachi Disk Array (Fibre)
...

In this example,

hdisk3

and

hdisk4

are recognized as HDLM-managed

devices.

8.

Execute the utility for changing HDLM default settings (

dlmchpdattr

).


# /usr/DynamicLinkManager/bin/dlmchpdattr -A -a
reserve_policy=no_reserve

A message is displayed to confirm whether processing should continue. Enter

y

to continue processing.
If the command terminates normally, the KAPL10571-I message is displayed.

9.

Make sure that the default value for the hdisk reservation policy has been

changed.
Execute the

dlmchpdattr

utility with the

-o

parameter specified.


# /usr/DynamicLinkManager/bin/dlmchpdattr -o
uniquetype = disk/fcp/Hitachi
reserve_policy : no_reserve
KAPL10571-I The dlmchpdattr utility completed successfully.

Perform the following according to the execution environment:

If the execution environment is a local boot disk environment:

Proceed to step 10.