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Operating Systems HP-UX sar output gives 98% idle CPU Post 302133625 by Perderabo on Friday 24th of August 2007 09:02:17 AM
Old 08-24-2007
The original post seems to claim that the first sar (with a lot of idle time) is when the box is in trouble. The second sar (with little or no idle time) is when the box seems to be ok. This would be very odd and both responses have assumed that the situation is reversed. We need to clarify this situation. And the output from "vmstat 1 7" during both states might shed some light as well.
 

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SA2(8)								Linux User's Manual							    SA2(8)

NAME
sa2 - Write a daily report in the /var/log/sa directory. SYNOPSIS
/usr/lib/sa/sa2 DESCRIPTION
The sa2 command is a shell procedure variant of the sar command which writes a daily report in the /var/log/sa/sardd file, where the dd parameter indicates the current day. The sa2 command handles all of the flags and parameters of the sar command. The sa2 command is designed to be started automatically by the cron command. EXAMPLES
To run the sa2 command daily, place the following entry in your root or adm crontab file: 5 19 * * 1-5 /usr/lib/sa/sa2 -A & This will generate a daily report called /var/log/sa/sardd It will also remove reports more than one week old. FILES
/var/log/sa/sardd Indicate the daily report file, where the dd parameter is a number representing the day of the month. AUTHOR
Sebastien Godard <sebastien.godard@wanadoo.fr> SEE ALSO
sar(1), sadc(8), sa1(8), mpstat(1), iostat(1), vmstat(8) http://perso.wanadoo.fr/sebastien.godard/ Linux DECEMBER 1999 SA2(8)
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