Hitachi XP P9500 User Manual page 240

Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device
In Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device
Is Moved to an HDLM Device on page
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
/dev/sddlmaa
/dev/sddlmab
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
Is Moved to an HDLM Device
Management
configured
configured
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))
3-172, sdn indicates the different LUs.
Device Host Channel
/dev/sda 2
/dev/sdb 2
Target Lun
0 0 0
0 0 1