On 03/09/2012 09:38 AM, Benjamin Hackl wrote: > Dear Adrian, > > On Fri, 9 Mar 2012 09:17:59 +0200 > Adrian Sevcenco <Adrian.Sevcenco at cern.ch> wrote: > >> anyone have any idea about this problem and how can i debug/fix it? > > Do you have python-ctypes installed? > > Besides iotop does not work for kernels < 2.6.20. You need a patched > kernel. The rpm package from http://guichaz.free.fr/iotop/ works also > on non standard el5 kernels but shows no more information than iostat. thats not true. the EL kernels have block dev accounting backported in, use the iotop from EPEL, and use a recent'ish kernel for CentOS-5, and you should be fine. -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax GnuPG Key : http://www.karan.org/publickey.asc