sar error


 
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# 1  
Old 06-13-2006
sar error

at work i have a HP-UX box. i attempt to use sar to monitor but it comes up with following message:

can't open /var/adm/sa/sa13

i recreated the file as i thought that was the problem but it was not.

cheers

hush
# 2  
Old 06-15-2006
can anyone surggest an area to look into?
# 3  
Old 06-15-2006
Always check the man pages for a command before posting any queries:
Quote:
Originally Posted by man page of sar
NAME
sar - system activity reporter

SYNOPSIS
sar [-ubdycwaqvmAMPS] [-p psetid] [-o file] t [n]

sar [-ubdycwaqvmAMPS] [-p psetid] [-s time] [-e time] [-i sec] [-f
file]

DESCRIPTION
In the first form above, sar samples cumulative activity counters in
the operating system at n intervals of t seconds. If the -o option is
specified, it saves the samples in file in binary format. The default
value of n is 1. In the second form, with no sampling interval
specified, sar extracts data from a previously recorded file, either
the one specified by -f option or, by default, the standard system
activity daily data file /var/adm/sa/sadd for the current day dd.
As is clear, if you just give the command 'sar' then sar searches for the current day's file in /var/adm/sa directory. If you want the current stats from sar, you have to provide the appropriate switch (such as -d for disk info, -u for cpu util and so on), the sampling interval and the number of samples.
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