<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi All,</div><div><br></div><div>I'm currently trying to install centos 5.4 x86-64bit on a raid 1, so if one the 2 disks fails the server will still be available.</div><div>i installed grub on /dev/sda using the advanced grub configuration option during the install.</div><div>after the install is done i boot in linux rescue mode , chroot the filesystem and copy grub to both drives using:</div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">grub>root (hd0,0)</span></font></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">grub>setup (hd0)</span></font></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">grub>root (hd1,0</span></font></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">grub>setup (hd1)</span></font></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">grub>quit</span></font></div><div><br></div><div>then reboot, but is still get the error : disk boot faillure, insert linux install disk.</div><div>does anyone now what i'm doing wrong? here is a copy of my partition scheme.</div><div><span class="Apple-style-span" style="font-size: 10px; "><br></span></div><div><span class="Apple-style-span" style="font-size: 10px; ">Disk /dev/sda: 251.0 GB, 251000193024 bytes</span></div><div><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px;">255 heads, 63 sectors/track, 30515 cylinders<br>Units = cylinders of 16065 * 512 = 8225280 bytes<br><br> Device Boot Start End Blocks Id System<br>/dev/sda1 * 1 38 305203+ fd Linux raid autodetect<br>/dev/sda2 39 675 5116702+ fd Linux raid autodetect<br>/dev/sda3 676 30515 239689800 fd Linux raid autodetect<br><br>Disk /dev/sdb: 251.0 GB, 251000193024 bytes<br>255 heads, 63 sectors/track, 30515 cylinders<br>Units = cylinders of 16065 * 512 = 8225280 bytes<br><br> Device Boot Start End Blocks Id System<br>/dev/sdb1 * 1 38 305203+ fd Linux raid autodetect<br>/dev/sdb2 39 675 5116702+ fd Linux raid autodetect<br>/dev/sdb3 676 30515 239689800 fd Linux raid autodetect<br><br>Disk /dev/md1: 5239 MB, 5239406592 bytes<br>2 heads, 4 sectors/track, 1279152 cylinders<br>Units = cylinders of 8 * 512 = 4096 bytes<br><br><br>Disk /dev/md0: 312 MB, 312410112 bytes<br>2 heads, 4 sectors/track, 76272 cylinders<br>Units = cylinders of 8 * 512 = 4096 bytes<br><br><br>Disk /dev/md2: 245.4 GB, 245442281472 bytes<br>2 heads, 4 sectors/track, 59922432 cylinders<br>Units = cylinders of 8 * 512 = 4096 bytes</span></font></div><div><br></div><div><br></div><div><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><div apple-content-edited="true"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><div><span class="Apple-style-span" style="font-size: medium;">Regards,</span></div></div></span></div></div></span></div><div><br class="webkit-block-placeholder"></div><div>Wessel</div></body></html>