HP Hitachi Dynamic Link Manager Software - Manual (Page 313)

4. HDLM Operation
291
• Reconfiguring an LU that is not managed by HDLM, as an HDLM-managed
device
Reconfigure an LU that has already been added to the host, but is not managed by
HDLM, as an HDLM-managed device.
The following operations are not supported in the dynamic reconfiguration of the
HDLM device. To enable the following operations, restart the host with the
reconfiguration option specified.
• Re-adding and deleting an existing LU (in Solaris 8 or Solaris 9)
• Changing the setting of an existing LU
• Adding or deleting a path to an existing LU
• Reconfiguring an existing LU (an HDLM-managed device), as a
non-HDLM-managed device
• Adding and replacing hardware (including HBA and switches)
• Placing the following under HDLM management: LUs and paths recognized by a
host through an HBA port not used by HDLM.
• Changing the default controller for the LU of the storage system
#
#
Specifying the reconfiguration option is not required.
For details on the
dlmsetconf
utility, see 7.6 The dlmsetconf Utility for Creating the
HDLM Driver Configuration Definition File.
For details on the
dlmcfgmgr
utility, see 7.3 The dlmcfgmgr Utility for Managing the
HDLM Configuration.
(2) Notes on Reconfiguring the HDLM Device
The following describes the notes on reconfiguring the HDLM device:
„ Dynamic reconfiguration of HDLM devices can only be performed for Solaris 8
version 1/01 or later, Solaris 9, or Solaris 10.
„ When adding a new LU, since the HBA driver and either the sd or ssd driver
recognize the reconfiguration, you may need to restart the host, depending on the
following conditions:
• What kind of HBA and HBA driver are used
• The configuration for a newly-added LU
For details, refer to the documentation for the HBA driver being used.
„ When the HBA used for accessing an HDLM-managed LU is removed or