HP XP P9500 Storage - Manual (Page 240)

Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device
Is Moved to an HDLM Device
In Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device
Is Moved to an HDLM Device on page 3-172 , sdn indicates the different LUs.
sddlmad1 and sddlmad2 indicate the HDLM devices corresponding to each LU.
To move the logical volume to an HDLM device:
1
.
Make sure that HDLM has been installed.
Execute the rpm command to make sure that HDLM has been installed.
# rpm -q HDLM
HDLM-x.x.x.x.xxx-x
2
.
Make sure that the path is a single path.
Execute the HDLM-configuration definition utility (dlmcfgmgr) with the -v
parameter specified to make sure that the path to the LU is a single path.
# dlmcfgmgr -v
HDevName Management Device Host Channel Target Lun
/dev/sddlmaa configured /dev/sda 2 0 0 0
/dev/sddlmab configured /dev/sdb 2 0 0 1
KAPL10302-I /sbin/dlmcfgmgr completed normally.
3
.
Stop all processes and services that are using the SCSI and HDLM
devices.
4
.
Unmount the logical volume to be moved.
3-172
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))