Heloo, is this very high iowait at sdb and sdc !? [root@proxy ~]# iostat -x Linux 2.6.18-92.1.6.el5 08/06/2008 avg-cpu: %user %nice %system %iowait %steal %idle 9.78 0.04 6.67 9.92 0.00 73.59 Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util sda 0.32 12.27 0.90 6.78 50.14 152.41 26.35 0.07 8.71 1.21 0.93 sdb 1.02 80.02 14.44 17.66 222.92 786.41 31.45 3.46 107.70 4.91 15.74 sdc 0.75 81.51 14.52 17.15 208.16 794.66 31.67 3.78 119.24 5.56 17.62 -- Sds. Alexandre J. Correa Onda Internet / OPinguim.net http://www.ondainternet.com.br http://www.opinguim.net