•
When even one LPAR is in an activate mode, an addition and deletion of
shared NIC cannot be executed. When changing a configuration of shared
NIC, all the LPARs need to be in a Deactivate mode.
Therefore set up the configuration of shared NIC before LPAR is in an
activate mode (recommended)
•
When a failure of link down occurs in a physical NIC, shared NICs that
share the physical LAN controller where the failure occurred can no longer
communicate with the external network or other LPARs. Moreover, when
the hardware failure which can be automatic recovery may become
impossible temporarily. In this case, since the status which cannot
communicate continues for about 60seconds, some applications may
terminate by abnormality communication.
Therefore, it recommends making time of recovery of a communication
failure into sufficient value, or making the system redundancy.
•
At the time of LPAR manager booting, force recovery and unexpected
rebooting, or unexpected rebooting external equipment may detect a
temporary link down of shared NIC.
Availability of Shared FC
The following table shows the availability of shared FC under the connection
configurations.
Table 10-6 Availability of the shared FC
Connection configuration
Availability of shared FC
8Gbps FC
adapter
16Gbps FC
adapter
Connected to
the storage via
FC switch
module
FC switch module
supporting NPIV
PtoP Connection
Available
Available
FC-AL (Loop)
Connection
Not Available
Not Available
FC switch module
not supporting
NPIV
PtoP Connection
Not Available
Not Available
FC-AL (Loop)
Connection
Not Available
Not Available
Timeout in Saving Configuration
Timeout time for saving configuration is 12 minutes. However, timeout might
occur in saving the configuration, if LPAR manager is in a high load status.
You can confirm the status of LPAR manager load by the value of SYS2 on the
LPAR Usage screen.
It is assumed that the LPAR manager is in a high load status if the value of
Dsp(ms) on SYS2 is more than 1800ms. If the high load is temporary,
causing the timeout in saving configuration, please save the configuration
again after the load is decreased.
10-12
Notes
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide