Used-Block Tracking

1.3.6.1.2.1.25.2.3.1.6.7+ = Used-blocks
1.3.6.1.2.1.25.2.3.1.5.7+ = Total-blocks

The Volumes on the system are listed alphabetically starting with 1.3.6.1.2.1.25.2.3.1.6.7.  So if you had three volumes on your system, SYS, MAIL, DATA, your OID's would be:

1.3.6.1.2.1.25.2.3.1.5.7 = DATA's total-blocks
1.3.6.1.2.1.25.2.3.1.5.8 = MAIL's total-blocks
1.3.6.1.2.1.25.2.3.1.5.9 = SYS's total-blocks
1.3.6.1.2.1.25.2.3.1.6.7 = DATA's used-blocks
1.3.6.1.2.1.25.2.3.1.6.8 = MAIL's used-blocks
1.3.6.1.2.1.25.2.3.1.6.9 = SYS's used-blocks

Here is some working code from my setup:

####### Section Defaults:
####  "^" is a prepend operator
####  "$" is an apend operator
####  "_" is a default: use if no value specified
Title[^]: Used-blocks on volume:
PageTop[^]: <H1>Used-Blocks on Volume:
PageTop[$]: </H1>
Options[_]: gauge, dorelpercent
ShortLegend[_]: Blocks
YLegend[_]: Used Blocks
LegendI[_]: Used
LegendO[_]: Total
Directory[_]: nov_freeblk
####### End defaults

Target[CHA_Vol1]: 1.3.6.1.2.1.25.2.3.1.6.8&1.3.6.1.2.1.25.2.3.1.5.8:public@172.17.202.16
MaxBytes[CHA_Vol1]: 1044960
Title[CHA_Vol1]: CHA/Vol1
PageTop[CHA_Vol1]: CHA/Vol1

From this you can see that the "inbound" line is the free-blocks, and the "outbound" line is the total-blocks.

• The "dorelpercent" Option tag will give you an Orange line giving the relative percent of inbound to outbound, giving you a percentage of used-space for your volume.
• The MaxBytes option is the total number of Blocks for that volume (you can find this number through Monitor -> Volumes -> Total Blocks).  You need this, or some of your percentages will look strange.

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