Performance Slowdown On The Management Path - Hitachi Compute Blade 500 Series User Manual

[Windows Server 2012 / Windows Server 2012 R2]
• Up to eight ports can be assigned per core, but four FC ports use the CPU
resource for one port.
• The relation between the number of processor cores and the maximum
number of card ports which can be assigned is shown below.
Table 10-9 Relation between the number of CPUs and the number of card
Number of CPUs/LPAR
Hyper-
Threading is
Disable
(Number of
cores)
1
2
3 or more
Notes:
1 Four ports use the CPU resource for one port.
.

Performance Slowdown on the Management Path

When the processor usage rate has reached significantly high in the LPAR
manager network communication due to heavy load on the shared NIC,
performance in LPAR manager management path can slow down to cause the
following problems.
• It takes longer time, six minutes or longer, to save configuration
information.
• It takes longer time, 30 minutes or longer for 1 Gbps interface, to upload
the firmware update in operation.
• It takes longer time for HvmSh to respond a command, or the timeout
occurs.
• Registering or updating LPAR manager with HVM navigator fails due to
the communication error.
• Operation to LPAR manager from SC/BSM fails due to the timeout.
10-14
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
ports (in case of Windows Server 2012)
Maximum
Hyper-
number of
Threading is
ports
Enable
(Number of
threads)
1 to 2 7
3 to 4 15
5 or more No limitation
Notes
Number of ports which can be
assigned
Dedicated
Shared NIC
NIC
Virtual NIC
(Emulex
VF NIC
10Gb)
- 7
2 5
4 3
6 1
- 15
2 13
4 11
6 9
1
FC
4
4
4
4
4
4
4
4