Settings For Xen - Hitachi XP P9500 User Manual

3. Creating an HDLM Environment

3.11 Settings for Xen

When HDLM is installed in an environment that uses Xen, the SCSI devices
corresponding to HDLM devices are accessible from a domainU environment.
Therefore, you must specify the certain settings so that the SCSI devices cannot be
accessed from the domainU environment directly.
The following procedure shows how to migrate SCSI device
connected in the domainU environment in a single-path configuration, to HDLM
device
/dev/sddlmaa
1. Check the correspondence between the HDLM and SCSI devices.
Execute the HDLM configuration definition utility (
parameter.
# /sbin/dlmcfgmgr -v
HDevName
/dev/sddlmaa configured
/dev/sddlmab configured
:
:
KAPL10302-I /sbin/dlmcfgmgr completed normally.
#
HDLM devices are listed in the
in the
Device
2. Check whether the SCSI devices can be migrated to the HDLM devices.
Execute the command shown below.
In the following example, the
the management domain:
# /usr/sbin/xm list -l domU
258
, which is connected in a multi-path configuration.
Management
HDevName
column.
domU
:
:
(device
(vbd
(uuid 6b393aaa-89e7-44dc-7a57-24d477dee43d)
(bootable 0)
(driver paravirtualised)
/dev/sda
dlmcfgmgr
Device Host Channel Target
/dev/sda 2
/dev/sdb 2
column, and SCSI devices are listed
configuration information is retrieved from
, which is
) with the
-v
Lun
0 0 0
0 0 1