Its not unheard of that an HP ILO (Integrated Lights Out) can become sick and slow down to a crawl. When this occurs, a restart of the ILO is in order, which is easily accomplished via the ILO cli interface. Note that you need to make sure that that you have enabled ssh access in ilo.
The steps to reset an ilo via ssh are below.
</>hpiLO-> cd /map1
CLI session stopped