HP XP P9500 Storage - Manual (Page 271)

# /sbin/start_udev
6
.
Start the cluster service of RHCM.
Executing the following command to start the service:
# service cman start
# service rgmanager start
Canceling the Settings for VCS
This section describes how to cancel the HDLM device settings in VCS in an
environment where VCS is used. For details on how to perform operations
from the VCS GUI, see the VCS documentation.
To cancel the HDLM settings in an environment where VCS is used:
1
.
Stop the cluster service of VCS.
2
.
Change the HDLM device used by VCS to a SCSI device.
Change the Block Devices parameter in Mount resource from an HDLM
device to SCSI device.
Canceling the Xen Settings
This subsection describes how to cancel the HDLM device settings in an
environment in which Xen is being used.
The following is the procedure for migrating a domainU environment that
uses the HDLM device /dev/sddlmaa in a multi-path configuration to an
environment that uses the SCSI device /dev/sda in a single-path
configuration.
1
.
Check the correspondence between the HDLM and SCSI devices.
Execute the HDLM configuration definition utility (dlmcfgmgr) with the -v
parameter.
# /sbin/dlmcfgmgr -v
HDevName Management Device Host Channel Target Lun
/dev/sddlmaa configured /dev/sda 2 0 0 0
- 2 0 1 0
/dev/sddlmab configured /dev/sdb 2 0 0 1
:
:
KAPL10302-I /sbin/dlmcfgmgr completed normally.
#
The HDLM devices are listed in the HDevName column, and the SCSI
devices are listed in the Device column.
2
.
Check whether the HDLM devices can be migrated to the SCSI devices.
Execute the command shown below.
Creating an HDLM Environment
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Hitachi Dynamic Link Manager User Guide (for Linux(R))