free -m report:
http://pastebin.com/raw.php?i=GA2jAjRf

solusvm report:
http://i.imgur.com/CepcO08.png

how this is then? if i good undertand my server use about 60MB and not even 520MB? solusvm bug ?

i dont even have any process that takes so much ram o.o

there was also some upgrade of hardware and they add some VSwap or what is it never heard about that before ...