topic Re: total disk usage in Operating System - HP-UX

total disk usage

hpuxrox — Mon, 16 Apr 2007 14:32:38 GMT

How would one total the kbytes used from the bdf command?

Re: total disk usage

Mel Burslan — Mon, 16 Apr 2007 14:39:05 GMT

total=0
bdf | grep -v ^Filesystem | while read line
do
used=`echo $line | awk {'print $2'}`
(( total=$total+$used ))
done
echo $total " kilobytes of used disk space"

hope this is what you are looking for.

Re: total disk usage

Aussan — Mon, 16 Apr 2007 14:40:49 GMT

you would add the used kb but bdf is not a good way to see the disk usage because nfs mount are not on your system and they should not count

lets say you wanted to find out how much disk usage is on vg00, you would do vgdisplay vg00 and you would take Alloc PE number * PE Size (Mbytes) that would give you how much disk is being used in MB

Re: total disk usage

Sandman! — Mon, 16 Apr 2007 14:43:33 GMT

# bdf | awk '{tot+=$2}END{printf("total kbytes %d\n",tot)}'

Re: total disk usage

Court Campbell — Mon, 16 Apr 2007 14:45:44 GMT

bdf | grep -v File | awk '{x=$2;x+=x}END{printf "%d\n",x}'

Re: total disk usage

Court Campbell — Mon, 16 Apr 2007 14:48:14 GMT

scratch that it should be:

bdf | grep -v File | awk '{x+=$2}END{printf "%d\n",x}'

Re: total disk usage

A. Clay Stephenson — Mon, 16 Apr 2007 14:49:04 GMT

First, look around on the Forums for one of Bill's scripts called bdfmegs because it's gonna fix a problem that you ain't thought of yet.

Then:
--------------------------------------------
#!/usr/bin/sh

build_A1()
{
echo "/^Filesystem/ { next}"
echo "{"
echo " v1 += (\$2 + 0); v2 += (\$3 + 0); v3 += (\$4 + 0)"
echo "}"
echo "END {"
echo " print v1,v2,v2"
echo "}"
return 0
} # build_A1

A1=$(build_A1)
bdfmegs | awk "${A1}"
--------------------------------------------
This will actually sum all three of the values but you should easily be able to adapt it to your exact needs.

Re: total disk usage

James R. Ferguson — Mon, 16 Apr 2007 14:49:05 GMT

Hi:

# bdf|awk '{if (NR>1) {USED+=$3}};END{print USED}'

Regards!

...JRF...

Re: total disk usage

hpuxrox — Mon, 16 Apr 2007 14:53:31 GMT

I am running into limitations in awk, it can not calculate that high of a number. Anyways to do it in perl or bc?

Re: total disk usage

Court Campbell — Mon, 16 Apr 2007 14:53:32 GMT

arrgh, you stated used space.

bdf | grep -v File | awk '{x+=$3}END{printf "%d\n",x}'

Re: total disk usage

James R. Ferguson — Mon, 16 Apr 2007 14:59:42 GMT

Hi (again):

OK, you would like Perl (I do too!):

# bdf|perl -nle 'if ($.>1) {@f=split;$used+=$f[2]};END{print $used}'

...Note that Perl numbers things 0-relative unlike 'awk' which counts its split fields as 1-relative. This too, skips the header line of the 'bdf'.

Regards!

...JRF...

Re: total disk usage

A. Clay Stephenson — Mon, 16 Apr 2007 15:07:13 GMT

Dummy!

That's why I suggested bdfmegs and not only will it solve the problem you've now discovered; it will also solve the one that you haven't discovered.

Anyway, here's a copy of Bill's bdfmegs script.

Re: total disk usage

Sandman! — Mon, 16 Apr 2007 15:19:12 GMT

What limitations? Could you post the output from the one-liners.

Re: total disk usage

hpuxrox — Mon, 16 Apr 2007 15:26:47 GMT