Changing A Non-Hdlm-Managed Device To An Hdlm-Managed Device (For Dynamic Reconfiguration) - Hitachi XP P9500 User Manual

Changing a Non-HDLM-Managed Device to an HDLM-Managed Device (For
Dynamic Reconfiguration)
Note
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To change a non-HDLM-managed device to an HDLM-managed device:
1 Log in to Solaris as a user with root permissions.
.
2 Check the LU to be managed by HDLM.
.
You can check the LU by using the format command.
Example of executing the format command on page 4-58
example of executing the format command. The shaded portion
represents the LU to be managed by HDLM.
3 If setup is performed for Quorum devices and disk device groups in the
.
LU to be managed by HDLM, release the LU settings.
When you unregister the SDS or SVM diskset, the diskset data will be
deleted so first back up any necessary data. For details on how to release
settings for Quorum devices and VxVM disk groups, see
Cluster Settings on page 3-166
page
4-58
Dynamic reconfiguration cannot be performed when using VxVM
because the host must be restarted in order to use (in VxVM) an LU
that was changed from a non-HDLM-managed device to an HDLM-
managed device. Perform the procedure
Managed Device to an HDLM-Managed Device (When the Node Must
Be Restarted) on page 4-52
Be Managed by HDLM (When Using Sun Cluster) on page
For details on the precautions for the dlmcfgmgr utility for managing
the HDLM configuration, see
HDLM Configuration on page
Figure 4-16 Example of executing the format command
3-165.
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
Changing a Non-HDLM-
in Specifying Whether a Logical Unit Is To
The dlmcfgmgr Utility for Managing the
7-15.
of Preparations for HDLM Uninstallation on
4-47.
Figure 4-16
shows an
Remove Sun