hparray is just a wrapper around the HP tool hpacucli. You just can customize the errorlevel and the path to hpacucli.
You can download the HP tool at HP.
HPARRAY is the enclosing tag for all hparray entries.
COMMAND . Caution: You have to define this and mostly you want to use something like sudo.
The common XML tags as described in Section 9.8, “Tags Common to All Checks and/or Checkpoints”
0 or 1. If you don't define HPARRAY, no hparray check will run.
<HPARRAY>
<ERRORLEVEL>FATAL</ERRORLEVEL>
<COMMAND>sudo -u root /usr/sbin/hpacucli</COMMAND>
</HPARRAY>