You probably need to start the rawdevices service: As root: service rawdevices start To start the service with the server: chkconfig rawdevices on chkconfig -list rawdevices Freek D'Hooge Uptime Oracle Database Administrator email: freek.dhooge@xxxxxxxxx tel +32(0)3 451 23 82 http://www.uptime.be disclaimer: www.uptime.be/disclaimer --- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Mostafa Eletriby Sent: donderdag 25 november 2010 15:16 To: oracle-l@xxxxxxxxxxxxx; oracle-tips@xxxxxxxxxxxxx Subject: missing file at oracle RAC installation Hello DBAs, I need to install Oracle RAC 10g at vmware machine. Operating system: Linux RedHat 5.2 But I couldn't find that mentioned file rawdevices in order to edit at both nodes of RAC. Edit the file /etc/sysconfig/rawdevices adding the following lines. /dev/raw/raw1 /dev/sdb1 /dev/raw/raw2 /dev/sdc1 /dev/raw/raw3 /dev/sdd1 /dev/raw/raw4 /dev/sde1 /dev/raw/raw5 /dev/sdf1 ===== [root@rac1 sysconfig]# cd /etc/sysconfig/ [root@rac1 sysconfig]# pwd /etc/sysconfig [root@rac1 sysconfig]# ls -l raw* ls: raw*: No such file or directory [root@rac1 sysconfig]# Anyone has idea about finding this file. Many Thanks -- //www.freelists.org/webpage/oracle-l