Hitachi Dynamic Link Manager Software Users Guide for AIX (6.6) (T5208-96010, April 2011)

4. HDLM Operation
201
• If the execution environment is a boot disk environment:
Proceed to step 11.
10. Execute the following command to change the hdisk status to
Available.
# cfgmgr
After executing the command, proceed to step 13.
11. Execute the utility for clearing HDLM persistent reservation (
dlmpr) for all
hdisks comprising rootvg.
# dlmpr -c
name-of-HDLM-device-comprising-rootvg
A message is displayed to confirm whether processing should continue. Enter y
to continue processing.
If the reserve was cleared normally, the KAPL10642-I message is displayed. If
the reserve was not cleared normally, the KAPL10650-I message is displayed.
For details on the
dlmpr utility, see 7.9 dlmpr Utility for Clearing HDLM
Persistent Reservation.
12. Execute the following command to restart the host.
# shutdown -Fr
13. Execute the following command to make sure that the status of the hdisks
recognized as HDLM-managed devices is
Available.
# 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 Available 1H-08-02 Hitachi Disk Array (Fibre)
hdisk4 Available 1H-08-02 Hitachi Disk Array (Fibre)
...
In this example, hdisk3 and hdisk4 are recognized as HDLM-managed
devices.
If the status of all hdisks is
Available, proceed to step 14. If there are any hdisks
with the
Defined status, perform step 10 again.
14. Check the setting for the hdisk reservation policy attribute.