Hi, Does it seems to be correct ? PIII600-256RAM-RAID-1 2XIBM 20.5Go 7200dpm on hda/hdc of CM Dir Size BlkSz Thr# Read (CPU%) Write (CPU%) Seeks (CPU%) ----- ------ ------- ---- ------------- -------------- -------------- /home 2000 4096 1 13.9605 5.94% 4.38263 3.31% 98.9432 0.50% /home 2000 4096 2 13.7999 5.90% 4.38624 3.30% 102.125 0.52% /home 2000 4096 4 13.4475 5.79% 4.38145 3.32% 104.069 0.46% /home 2000 4096 8 12.9175 5.68% 4.37932 3.36% 107.178 0.44% PIII600-256RAM-RAID-1 2XIBM 20.5Go 7200dpm with hda/hdc on promise66 Dir Size BlkSz Thr# Read (CPU%) Write (CPU%) Seeks (CPU%) ----- ------ ------- ---- ------------- -------------- -------------- /home 2000 4096 1 21.7984 9.24% 18.1641 14.0% 98.2729 0.65% /home 2000 4096 2 19.5716 8.12% 18.1311 14.1% 102.166 0.49% /home 2000 4096 4 17.8138 7.58% 18.0935 14.2% 104.487 0.42% /home 2000 4096 8 16.9899 7.20% 18.0280 14.5% 107.660 0.43% Amicalement, Octave >>>>> no swap allowed <<<<<