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I don't understand the output of iostat. HP Deskjet F2430 printing in Ubuntu-9.10 Wireless Ad-Hoc connection sharing in Ubuntu 10.10 manually updating java in ubuntu Navigation Story links User login Username: * Password: * Request new password Recent As a consequence the measurements gathered by sadc are cumulative values. cPanel Forums > cPanel & WHM® (for Linux® Servers) > General Discussion > This site uses cookies. his comment is here

E.g.: # sar 2 5 --> will report CPU utilization every two seconds, five times. # sar -n DEV 3 --> will report network device utilization every 3 seconds, in an Funny i touched that file in question still the error is present. Indeed, Linux 2.4 maintains the stats in a two dimensional array, with a maximum of 16 devices (DK_MAX_DISK in the kernel sources). Consequently, you'll see a different statistics output on 2.6 for partitions from that for disks." Extended I/O statistics for partitions are available again with kernels 2.6.25 and later. 3.4.

Cannot Open /var/log/sa/sa: No Such File Or Directory

Although they are a little dated and don't have nice gui interfaces, they do work. Forum Operations by The UNIX and Linux Forums Recent posts Forum News Contact Secure login Home » Blogs » wizap's Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started It should then be easy for a tool like SQL*Loader to load the data into the Oracle database. 2.21.

tomapam UNIX for Dummies Questions & Answers 2 12-27-2002 11:54 AM All times are GMT -4. Note: With older versions of sysstat that don't have autoconf support (up to v7.0.4), you have to answer 'y' to the question "Set crontab to start sar automatically" during config stage I get the following error message when I try to run sar: "Cannot open /var/log/sa/sa30: No such file or directory". 2.5. What Is Sysstat In Linux sysstat_mail_report (https://github.com/desbma/sysstat_mail_report) is a script that automatically generates and sends an email report every day/week/month with graphs generated from sysstat data.

If you are using sysstat 11.1.1 and later, you can also use the sadf command to convert an old system activity binary datafile (version 9.1.6 and later) to current up-to-date format. Are the measurements gathered by sadc cumulative or instantaneous values? Type "man sa2" for more details. navigate here Moumou Shell Programming and Scripting 5 08-04-2009 11:20 AM problem with ps command sanjay1979 Solaris 1 12-16-2008 05:56 PM problem with output of find command being input to basename command...

How can I load sar data into an Oracle database for performance analysis and capacity planning? Sar Command Not Found Having a problem logging in? Thanks Abhi Probably the same as I have: Code: [email protected]:~/internet/fruttenboel$ sar Cannot open /var/log/sa/sa02: No such file or directory [email protected]:~/internet/fruttenboel$ locate sar | grep bin /sbin/lvmsar /usr/bin/sar [email protected]:~/internet/fruttenboel$ /usr/bin/sar Cannot open If you don't use option -p on the command line, then pidstat will display only tasks with non-zero statistics.

Cannot Open /var/log/sa/sa Permission Denied

become root en rerun: Code: [email protected]:~/internet/fruttenboel$ su Password: [email protected]:/home/jan/internet/fruttenboel# sar Cannot open /var/log/sa/sa02: No such file or directory [email protected]:/home/jan/internet/fruttenboel# man sar [email protected]:/home/jan/internet/fruttenboel# sar -r runq-sz Usage: sar [ options... ] [ The pidstat command complains with the following message: "Requested activities not available". 4.3. Cannot Open /var/log/sa/sa: No Such File Or Directory If it IS already installed if you type "rpm -ql sysstat" it will give you a list of all the files from that package. Invalid System Activity File /var/log/sa/sa Why can't iostat display extended statistics for partitions with some 2.6.x kernels?

For example, "pidstat -u" will display only tasks that have actually used some CPU resources since system startup. this content No, sar doesn't need a lot of CPU to run, nor does it make your system slow, contrary to what some people think. Old kernels (2.2.x for instance) used to maintain stats for the first four devices. By continuing to use this site, you are agreeing to our use of cookies. Sar Invalid System Activity File

If you'd like to contribute content, let us know. Secondly, when it does run, it is over and done very quickly. MensaWater View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by MensaWater View Blog 01-13-2012, 02:15 PM #8 qweeak LQ Newbie Registered: Jan weblink If you only see "Available" then it isn't installed.

The sar command displays some weird CPU values... 2.22. End Of System Activity File Unexpected pidstat doesn't display statistics for process (task) xyz... 4.4. If you need to reset your password, click here.

The sar command complains with the following message: "Cannot append data to that file [...]". 2.3.

Why values displayed by iostat are so different in the first report from those displayed in subsequent ones? You can also see current information by specifying number of iterations and time between them. How to fix : Cannot open /var/log/sa/sa18: No such file or directory Discussion in 'General Discussion' started by isputra, Sep 22, 2003. Sysstat Service It displays sar data in a format that can easily be ingested by a relational database system (fields are separated by a semicolon).

I don't understand why sysstat displays the time sometimes as HH:MM:SS and sometimes as HH:MM:SS AM/PM... My database (e.g. Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ check over here The "Average:" results from the sar command are just rubbish...

Then, beginning with version 5.1.1, sysstat has shifted to 64-bit variables, which has fixed the problem. Please visit this page to clear all LQ-related cookies. For 'iostat -x' to be able to report extended disk I/O statistics, it is better to use a recent version of the Linux kernel (2.6.x). Moreover all per-second statistics displayed by sar are average values on the given time interval.

for providing its computer software that facilitates the management and configuration of Internet web servers. iostat -x doesn't report disk I/O statistics...