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AIX 7.1 high page faults

 
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Old 10-31-2012
AIX 7.1 high page faults
hi guys i hope you can help me with this situation.

i have 2 lpar with aix 7.1 and oracle 11gr2 in grid mode.

when i start nmon to check the current system health i notice that page fault are over 3000/s. than i have opened a case with ibm and they say that the problem is not paging nor pinning nor memory but heavy i/o on disks from an application.

infact i have 30% of free memory and 0.3% of page space used and 16,7& of pinned memory.

now i thinks oracle arc is the cause, but how can determine exactly which application is creating those page faults?

i have tried with noon with t option and then 5(for i/o) but it seems all normally.

any suggest would be appreciated.
Thanks
 
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LEARN ABOUT SUSE

ocf_pacemaker_healthsmart

OCF_PACEMAKER_HEALTH(7) 				      Pacemaker Configuration					   OCF_PACEMAKER_HEALTH(7)

NAME

       ocf_pacemaker_HealthSMART - SMART health status

SYNOPSIS

       OCF_RESKEY_state=string OCF_RESKEY_drives=string OCF_RESKEY_temp_lower_limit=string OCF_RESKEY_temp_upper_limit=string

       HealthSMART [start | stop | monitor | meta-data | validate-all]

DESCRIPTION

       Systhem health agent that checks the S.M.A.R.T. status of the given drives and updates the #health-smart attribute.

SUPPORTED PARAMETERS

       OCF_RESKEY_state = string [/var/run//health-smart-{OCF_RESOURCE_INSTANCE}.state]
	   State file

	   Location to store the resource state in.

       OCF_RESKEY_drives = string [sda]
	   Drives to check

	   The drives to check as a SPACE separated list. Enter only the part after the "/dev/" i.e. "sda". At the moment /dev/sda is hard coded.
	   Sorry.

       OCF_RESKEY_temp_lower_limit = string [0]
	   Lower limit for the temperature of the drive(s)

	   Lower limit of the temperature in deg C of the drive(s). Below this limit there status will be red. The yellow limit is 5 deg C more
	   than this value.

       OCF_RESKEY_temp_upper_limit = string [60]
	   Upper limit for red smart attribute

	   Upper limit of the temperature if deg C of the drives(s). If the drive reports a temperature higher than this value the status of
	   #health-smart will be red. The yellow limit is 5 deg C below this value.

AUTHOR

       Andrew Beekhof <andrew@beekhof.net>
	   Author.

Pacemaker Configuration 					    07/05/2010						   OCF_PACEMAKER_HEALTH(7)