HP Hitachi Dynamic Link Manager Software - Manual (Page 159)

Table 3-59 Examples of HDLM Configuration Definition Utility
Execution Times in a Large-scale HDLM Operating Environment
HDLM
configuration
utility
Execution
time
Description
dlmcfgmgr -r 4 minutes 31
seconds
Registers the path to an HDLM device.
dlmcfgmgr -o all 9 minutes 34
seconds
Excludes all managed HDLM devices (4,096
devices) from the management targets.
dlmcfgmgr -i all 63 minutes 43
seconds
Includes all unmanaged HDLM devices
(4,096 devices) as management targets.
dlmcfgmgr -u all 8 minutes 20
seconds
Deletes all paths (8,192 paths) whose
Device column is displayed as a hyphen (-)
in the HDLM device configuration information
which is displayed by executing dlmcfgmgr -
v.
Table 3-60 Examples of Host Startup Times in a Large-scale HDLM
Operating Environment
Operating
environment
Time required for startup
An environment in
which an HDLM
device is not used as
a boot disk
30 minutes 14 seconds
An environment in
which an HDLM
device is used as a
boot disk
65 minutes 21 seconds
Virtual Environments Supported by HDLM
HDLM supports the following virtual environments:
• Logical partitioning feature available on Hitachi Compute Blade blade
servers
• Xen
If you choose to use Xen, make sure that HDLM is installed in domain0.
The following table shows the Xen hypervisor operating environments
supported by HDLM.
Creating an HDLM Environment
3-87
Hitachi Dynamic Link Manager User Guide for Linux ®