HP 316095-B21 - StorageWorks Edge Switch 2/24 Note de mise à jour - Page 25

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HP-UX parameters may need to be changed before you run the HAFM client

The following two HP-UX 11.0 kernel parameters are set too low for most

Java applications. Usually you will see this problem as a java.lang.OutOf

MemoryError:

the issue, edit the following parameter limits:

•

max_thread_proc—The maximum number of threads allowed in each

process. The minimum value (and default) is 64, which is often too low for

most Java applications. Set the value of the max_thread_proc higher than

the expected maximum number of simultaneously active threads. The maximum

value is the value of nkthread.

•

nkthread—The total number of kernel threads available in the system. This

parameter is similar to the nproc tunable except that it deﬁnes the limit for

the total number of kernel threads able to run simultaneously in the system.

The value must be greater than nproc. The default is approximately twice that

of nproc. The maximum is 30000. The suggested value of nkthread is

2*max_thread_proc. If you have many Java processes running and each

running process uses many threads, you should increase this value.

Ethernet port on HAFM appliance may encounter problems

When you use TightVNC to access the HAFM appliance and you are running HAFM

locally on the HAFM appliance, the Ethernet port on the HAFM appliance can appear

to hang. When the Ethernet port encounters problems, the following may occur:

•

There is an apparent loss of communication to switches being managed by

HAFM.

•

The appliance CPU usage and memory usage display abnormally high readings.

Workaround

If this condition persists, it may be necessary to reboot the HAFM appliance. This is not

disruptive to managed switches, but monitoring and logging functions are interrupted

while the appliance is rebooting.

unable to create new native thread error. To resolve

HA-Fabric Manager release notes