> > Thanx Geoff, > > Already checked that, without any decent lead either: Have you tried iostat, vmstat or sar to see if there is unusual activity? Were there any changes to the kernel lately (such as an update or a new module)? Or perhaps an NFS/CIFS mount gone wonky causing blocking? -geoff --------------------------------- Geoff Galitz Blankenheim NRW, Germany http://www.galitz.org/ http://german-way.com/blog/