<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "> <br><div><div>On Jun 15, 2008, at 10:51 AM, Frank Murphy wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">On Sun, 2008-06-15 at 19:43 +0200, Sander Hoentjen wrote:</font></p> <blockquote type="cite"><p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Hi list,</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">For the first time in my life i tried to install Fedora with sw raid.</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">See below what went wrong.</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Here is what I did:</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Start with 2 empty 500GB sata disks.</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Make sure nvraid is turned off in my BIOS.</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Start an F9 install, creating 2 sw RAID partitions: md0 and md1.</font></p> <p style="margin: 0.0px 0.0px 0.0px 10.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">md0 is 100MB and has an ext3 /boot.</font></p> </blockquote><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">This could be the blind leading the blind,</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">but just raided my centos5.</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">and was advised not to raid the /boot.</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">as it can get confused as to waht to boot from.</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">If you need a backup boot just rsync it to the second drive as</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">/boot1 (or similar)</font></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><br></p> <p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Frank</font></p> </blockquote></div><br><div><br></div><div>Although you haven't told us "what went wrong" (IE errors, when in the boot process your system fails ect).</div><div><br></div><div>I would highly recommend using raid on your /boot partition, this will enable you to boot should you loose a disk, or boot with one disk unplugged for software updates and such (allows a restore point to boot back into the original should the updates / changes break some functionality on your system)</div><div><br></div><div>I would imagine that you only wrote to the MBR for one of your disks, and your bios is attempting to boot from the other. If this is the case your bios will report "no operating system installed" or something to that effect.</div><div><br></div><div>Enter your bios and change your startup order to boot from the other hard disk. (this process changes depending on bios make and manufacture so I'll leave you to figure it out on your own)</div><div><br></div><div><br></div><div>once you boot your OS from the drive where the MBR was written, open a terminal:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">grub --no-floppy</font></div><div><font class="Apple-style-span" face="Courier" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div></div><div><br></div><div>you'll then see a grub prompt:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">grub></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><br></div></div><div><br></div><div>continue with:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">grub> find /boot/grub/stage1</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier"> (hd0,0)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier"> (hd1,0)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">grub></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); ">If you're disks are /dev/sda and /dev/sdb do the following to install grub on both:</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">device (hd0) /dev/sda</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">root (hd0,0)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">setup (hd0)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font class="Apple-style-span" face="Courier" size="2"><span class="Apple-style-span" style="font-size: 10px; line-height: normal;"><br></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font class="Apple-style-span" face="Courier" size="2"><span class="Apple-style-span" style="font-size: 10px; line-height: normal;"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">device (hd0) /dev/sdb</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">root (hd0,0)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><font face="Courier" size="2" style="font: 10.0px Courier">setup (hd0)</font></div></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; line-height: 11px; background-color: rgb(249, 249, 249); ">Brian</div></div></div></body><br />-- <br />This message has been scanned for viruses and <br />dangerous content by <a href="http://www.mailscanner.info/"><b>MailScanner</b></a>, and is <br />believed to be clean. </html>