Hello all,

I have seen a few items regarding installing SAR LARRD on Hobbit.

Follow the instructions bellow and that should work (worked for me):

1. Change the hobbitlaunch.cfg and add the larrd.pl to handle LARRD specific scripts:

[rrdstatus]

    ENVFILE /usr/local/Hobbit/server/etc/hobbitserver.cfg

    NEEDS hobbitd

    CMD hobbitd_channel --channel=status

--log=$BBSERVERLOGS/rrd-status.log hobbitd_rrd --rrddir=$BBVAR/rrd --extra-scrip

t=/usr/local/larrd/larrd.pl --extra-tests=sar

2. restart your hobbitd
3. change the larrd.pl to get the input file from the command line for each server running the test

use lib qw{/usr/local/larrd}; # LARRDHOME hardcoded

require "larrd-config.pl";

##################################

Start of script

##################################

my $commahost = shift;

my $testName = shift ; # run the specific test.

my $log = shift ; # The log file from Hobbit_rrd

my $mod = $testName ;

if( not $ENV{'BBHOME'} ) {

    print "$0: BBHOME is not set\n";

    exit(1);

}

if( not -d $ENV{'BBHOME'} ) {

    print "$0: BBHOME is invalid\n";

    exit(1);

}

Generate the html

$ENV{'LARRDHOME'}/larrd-html.pl >> $ENV{'LARRDLOG'} 2>&1;

real work begins here

if( not -d $ENV{'BBRRDS'} ) {

    mkdir "$ENV{'BBRRDS'}",0755;

    print "$0 did not find $ENV{'BBRRDS'}, created.\n";

}

foreach $type ("pl","sh") {

if( -f "$ENV{'LARRDHOME'}/$mod-larrd.$type") {

    `$ENV{'LARRDHOME'}/$mod-larrd.$type  $commahost $log >>

$ENV{'LARRDLOG'} 2>&1`;

}

}

##############################################

end of script

 ##############################################

4. Specific for sar-larrd.pl you must change the script to process specific log file and update the RRD files. You must change the RRD location to meet the new Hobbit standard:

Where should the RRD's be kept?

pronounced birds

$ENV{'BBRRDS'}="$ENV{'BBVAR'}/rrd/$commahost"; ( Don't forget to change the RRD time step that is based on the old LOG location:

 #my $ctime = (stat("$ENV{'BBLOGS'}/${commahost}.sar"))[10];  # Old

what to do it

  my $ctime = (stat("$log"))[10];

5. Change the larrd-config.pl for environment variable
6. Change the sar-grapher.cgi and replace @rrds array with:

@rrds = sort(&glob("$ENV{'BBRRDS'}/$commahost/$commahost.SAR_n_*.rrd"));

If you need add DEBUG=1 to your larrd-config.pl file the test the LARRDOUT file for errors.

It works great for me but you must think of the performance penalty when you add more LARRD graphs.

If anyone find a way to integrate it into the Hobbit_rrd - I'll be happy to hear. Perl is much easier then C to do the sar output processing

Alon Ofek

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