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Full Discussion: Vmstat fault section all values are 0
Operating Systems AIX Vmstat fault section all values are 0 Post 302770336 by MichaelFelt on Friday 15th of February 2013 09:25:12 AM
Old 02-15-2013
IMHO, this is not normal behavior. My first guess would be that a program has been restored, or a patch applied, and the libC and/or other shared library is not correct.

If I was on site and could look at other things I would recommend many other things - but for now, to remove many many variables in a short amount of time - AND to know if it is spurious or continous I would look at performing a reboot.

BUT!!! The other common cause of issues with libraries going bad, because they are cached in memory is either a disk gone bad (e.g. rootvg) so programs "run" but are in accurate because they cannot get/write to disk (e.g., a partition can run for hours even though it's rootvg is missing (VIOS is offline by accident) - or - that someone has done "rm -rf /..." by accident. So files are removed, but still open (shared libraries) so programs can still run "some".

Program to check: errpt

Code:
errpt | head

re: PID values. The long PID values imply that the 64-bit kernel is active so larger PID and TID values are normal

Code:
errpt -a | more

Code:
 
errpt -c

If you think the system will survive a reboot, and you can get a window to perform it - it is a serious option. But be careful - if your disk is bad and you cannot (re)boot you must decide beforehand what is worse: no availability or degraded integrity.

---------- Post updated at 04:25 PM ---------- Previous update was at 04:22 PM ----------

re: PID values. The 7-digit values imply that a 64-bit kernel is active.
 

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LEARN ABOUT CENTOS

pmdapostgresql

PMDAPOSTGRESQL(1)					       Performance Co-Pilot						 PMDAPOSTGRESQL(1)

NAME

       pmdapostgresql - PostgreSQL database PMDA

DESCRIPTION

       pmdapostgresql is a Performance Co-Pilot PMDA which extracts live performance data from a running PostgreSQL database.

INSTALLATION

       pmdapostgresql uses a configuration file from (in this order):

       o   /etc/pcpdbi.conf

       o   $PCP_PMDAS_DIR/postgresql/postgresql.conf

       This file can contain overridden values (Perl code) for the settings listed at the start of pmdapostgresql.pl, namely:

       o   database name (see DBI(3) for details)

       o   database username

       Once this is setup, you can access the names and values for the postgresql performance metrics by doing the following as root:

	       # cd $PCP_PMDAS_DIR/postgresql
	       # ./Install

       If you want to undo the installation, do the following as root:

	       # cd $PCP_PMDAS_DIR/postgresql
	       # ./Remove

       pmdapostgresql is launched by pmcd(1) and should never be executed directly.  The Install and Remove scripts notify pmcd(1) when the agent
       is installed or removed.

FILES

       /etc/pcpdbi.conf
	   configuration file for all PCP database monitors

       $PCP_PMDAS_DIR/postgresql/postgresql.conf
	   configuration file for pmdapostgresql

       $PCP_PMDAS_DIR/postgresql/Install
	   installation script for the pmdapostgresql agent

       $PCP_PMDAS_DIR/postgresql/Remove
	   undo installation script for the pmdapostgresql agent

       $PCP_LOG_DIR/pmcd/postgresql.log
	   default log file for error messages from pmdapostgresql

SEE ALSO

       pmcd(1), pmdadbping.pl(1) and DBI(3).

3.8.10							       Performance Co-Pilot						 PMDAPOSTGRESQL(1)
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