Take a look at the presentation I sent out yesterday for another question for some tricks on detecting drives: http://www.shabazian.com/lw2007.pdf -----Original Message----- From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Rudi Ahlers Sent: Thursday, February 28, 2008 12:26 PM To: Discussion list about Kickstart Subject: how do I detect the HDD's on the system? Hi I want to setup different software RAID levels, according to the number & type of drives in the actual system. My problem is, I often have systems with mixed IDE & SATA drives. I found the following website, http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/sysadmin-gui de/s1-kickstart2-preinstallconfig.html which has some neat tricks on detecting the IDE drives, but the same techniques doesn't apply for SATA drives ( I don't even know how SAS / SCSI drives operate on Linux, since I haven't worked with them yet) The basis of the script is as follows: for file in /proc/ide/h* do mymedia=`cat $file/media` if [ $mymedia == "disk" ] ; then hds="$hds `basename $file`" fi done set $hds numhd=`echo $#` drive1=`echo $hds | cut -d' ' -f1` drive2=`echo $hds | cut -d' ' -f2` It doesn't indicate which drive is first in the list, which could be a problem is the cdrom is on HDA for example (mine is, due to the 2U case layout and how the IDE cable runs) With SATA (which uses scsi emulation), the process is different. There's no /media folder in /proc/scsi/ - only a scsi file, which lists all the devices: cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: ST3250410AS Rev: 3.AA Type: Direct-Access ANSI SCSI revision: 05 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: ST3250410AS Rev: 3.AA Type: Direct-Access ANSI SCSI revision: 05 dmesg | grep sd SCSI device sda: 488395055 512-byte hdwr sectors (250058 MB) SCSI device sda: drive cache: write back SCSI device sda: 488395055 512-byte hdwr sectors (250058 MB) SCSI device sda: drive cache: write back sda: sda1 sda2 Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 SCSI device sdb: 488397168 512-byte hdwr sectors (250059 MB) SCSI device sdb: drive cache: write back SCSI device sdb: 488397168 512-byte hdwr sectors (250059 MB) SCSI device sdb: drive cache: write back sdb: sdb1 sdb2 So, how does the system know that scsi0 = sata1 ? I'd like to find this out, cause it will make the RAID setup much easier for mixed systems -- Kind Regards Rudi Ahlers CEO, SoftDux Web: http://www.SoftDux.com Check out my technical blog, http://blog.softdux.com for Linux or other technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stugg _______________________________________________ Kickstart-list mailing list Kickstart-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/kickstart-list _______________________________________________ Kickstart-list mailing list Kickstart-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/kickstart-list