<html><head><style type="text/css"></style></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:10pt"><div><ol style="margin-top: 0cm;" start="1" type="1"><li class="MsoNormal" style="">When you get to the Disk Partitioning Setup screen during the installation, choose Manually Partition with Disk Druid<o:p></o:p></li><li class="MsoNormal" style="">If there are already partitions on the disk delete them<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a software RAID partition, click OK, select sda (or hda) only, choose fixed size, 250 MB, and click OK<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a software RAID partition, click OK, select sdb (or hdb) only, choose fixed size, 250 MB, and click OK<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a RAID device, click OK, choose /boot as the mount point, File System Type ext3, RAID Device md0, RAID Level RAID1, select sda and sdb, click OK<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a software RAID partition, click OK, select sda (or hda) only, choose Fill to maximum allowable size, click OK<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a software RAID partition, click OK, select sdb (hdb) only, choose Fill to maximum allowable size, click OK<o:p></o:p></li><li class="MsoNormal" style="">Click RAID, choose Create a RAID device, choose File System Type physical volume (LVM), RAID Device md1, RAID Level RAID1, select sda and sdb, click OK<o:p></o:p></li><li class="MsoNormal" style="">Click LVM, click Add, create logical volumes as required (don't forget SWAP)<o:p></o:p></li><li class="MsoNormal" style="">Continue the remainder of the OS installation normally</li></ol>After the OS is up, you should do this do this as root to make sure both disks would be bootable: # grub<o:p></o:p> root (hd0,0)<o:p></o:p> setup (hd0)<o:p></o:p> root (hd1,0)<o:p></o:p> setup (hd1)<o:p></o:p> quit Tom </div></div></body></html>