Error:

Error: Failed to create session directory in '/usr/local/psa/PMM/sessions': [Errno 31] Too many links: '/usr/local/psa/PMM/sessions/2014-09-05-151358.796' Resolution: Clean directory '/usr/local/psa/PMM/sessions' 

Solution

server# cd /usr/local/psa/PMM/sessions

Check the tree

server # tree -i -L 1
31999 directories, 0 files

Ext 3 has a limit for the number of directories.

server# cd /usr/local/psa/PMM
server# mv sessions sessions.bak
server# mkdir sessions