Hitachi XP P9500 User Manual page 323

The paths existing when the HBAs were replaced remain in Offline(E)
status.
2 Execute the dlmcfgmgr utility (dlmcfgmgr -v) to check the HDLM device
.
status.
Because the paths existing when HBAs were replaced are in Offline(E)
status, a hyphen (-) is displayed for Device.
3 Execute the dlmcfgmgr utility (dlmcfgmgr -u) to delete the old
.
information about paths and SCSI devices.
In the -u parameter, specify an HDevName device for which a hyphen (-)
is displayed for Device in step 2. Note that you need to execute the utility
for each HDevName device for which a hyphen (-) is displayed for Device.
The following shows an example of the command you execute if the
HDevName value is /dev/sddlmaa:
# dlmcfgmgr -u /dev/sddlmaa
4 Execute the dlmcfgmgr utility (dlmcfgmgr -v) to confirm that all the lines
.
on which a hyphen (-) was displayed for Device have been deleted.
Hitachi Dynamic Link Manager User Guide (for Linux(R))
HDLM Operation
4-27