Red Hat ENTERPRISE LINUX 4.5.0 - Podręcznik Użytkownika Pobierz pdf (Strona 25)

OS Stall Monitoring

F u n c t i o n s

OS stall monitoring function watches the movement situation of OS by a server management driver updating

Watch-dog timer (timer for software stall monitoring) regularly. When Watch-dog timer is not updated, a timer

becomes the time-out and judges it with the state that OS stops and does movement setting for "Action When

Timeout". It does movement setting for "Action After Timeout" afterwards. For the state that OS stops, NEC

ESMPRO Agent cannot work in real time, but it detects that a stall occurred at the time of next system start

and report an alert to record and NEC ESMPRO Manager of the detection information to a syslog.

From Control Panel (ESMagntconf), you can change the setting that a server management driver uses.

Note

When "mainte" is displayed by lsmod command, it shutdown using a server

management driver and watch it. Set this chapter. When "mainte" is not displayed,

it uses OpenIPMI. Refer to chapter 4 "1. OS Stall Monitoring by using OpenIPMI"

for OS stalls monitoring setting procedure and the support OS using OpenIPMI.

S e t t i n g s

From [WDT Properties] screen you can set the following information.

To display [WDT Properties] screen, select "WDT" on Control Panel (ESMagntconf).

Enable Monitor

To enable OS stall monitoring function by Watch-dog timer, check this field. Set using space key. This field is

checked by default.

Timeout(s)

Specify Watch-dog timer timeout. Range is 90 to 600 seconds. Default value is as follows.

For RHEL5, RHEL6, AXS3: 300 seconds.

For other OS: 180 seconds.

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Red Hat ENTERPRISE LINUX 4.5.0 - Podręcznik Użytkownika Strona 25