Hitachi Compute Blade 500 Series - Page 99

Server blade in LP mode
When switching N+M cold standby in LP mode, the standby server blade
inherits the information of Server blade in basic mode on page 2-71 adding
the following LPAR manager information from the active server blade.
Table 2-82 Inheriting items
Division Item Remarks
LPAR information LPAR configuration information -
Logical NVRAM information
1
Logical schedule data
information
-
LPAR manager system
information
System configuration
information
-
PCI device configuration
information
-
Virtual NIC configuration
information
-
Common FC information -
Virtual FC WWN seed
information
-
Note:
1. Logical UEFI boot path, order, boot timer, and driver path are in the logical NVRAM.
For driver path, the item that added from UEFI shell cannot be inherited.
Failover time for N+M cold standby
The time required for the N+M cold standby failover shows as follows.
Server blade in basic mode
Failover time for N+M cold standby =
[Waiting time until starting to switch] + [Time for switching] + [OS booting
time]
Server blade in LP mode
Failover time for N+M cold standby =
[Waiting time until starting to switch] + [Time for switching] + [LPAR
manager booting time*] + [OS booting time in LPAR]
*5 – 10 minutes
Tip: In N+M cold standby using HCSM, HCSM monitors if the OS on the
standby server blade starts up within the maximum allotted time for "Host OS
Startup" specified by the user after switching server blades.
Functional detail
2-75
Hitachi Compute Blade 500 Series Management Module Setup Guide