i have some backends servers width apache2, the files are sharings by nfs (all servers are Debian 6 Squeeze), some times apache return 403 error (forbiden) randomly. All files (server-side and client-side) are owned by www-data.
Some idea?
Config:
Server: /etc/exports
/srv/www 10.180.178.10/255.255.224.0(ro,sync,no_subtree_check)
/srv/writeable 10.180.178.10/255.255.224.0(rw,sync,no_subtree_check)
Client: /etc/fstab
10.180.162.110:/srv/writeable /srv/writeable nfs rw 0 0
10.180.162.110:/srv/www /srv/www nfs ro 0 0