<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><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; "><span class="Apple-style-span" style="font-family: 'Helvetica Neue'; font-size: 12px; font-weight: bold; "><div><font class="Apple-style-span" color="#999999" face="Helvetica" size="2"><span class="Apple-style-span" style="font-size: 10px; font-weight: normal; "><div style="color: rgb(0, 0, 0); font-size: medium; ">thnx for the response guys</div><span class="Apple-style-span" style="color: rgb(0, 0, 0); font-size: medium; ">Apparently the problem lies with the bios not detecting both sata dirives early enough in its boot process. so i patched both drives to another port on the motherboard and now it works like a charm.</span><div style="color: rgb(0, 0, 0); font-size: medium; ">but i'm not sure what i've to add to the grub.conf?</div></span></font></div></span></span></div><div><br class="webkit-block-placeholder"></div><div>wessel</div>
<br><div><div>On Jul 23, 2010, at 4:01 PM, Jussi Hirvi wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>I don't have a direct answer to your question, but here is the howto I <br>have been using twice, with good results:<br><br><a href="http://www.howtoforge.com/software-raid1-grub-boot-fedora-8">http://www.howtoforge.com/software-raid1-grub-boot-fedora-8</a><br><br>After installing grub to the other disk, did you update your grub.conf <br>accordingly?<br><br>Terv.<br>Jussi<br><br>On 23.7.2010 11.12, Wessel | Postoffice wrote:<br><blockquote type="cite">Hi All,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I'm currently trying to install centos 5.4 x86-64bit on a raid 1, so if<br></blockquote><blockquote type="cite">one the 2 disks fails the server will still be available.<br></blockquote><blockquote type="cite">i installed grub on /dev/sda using the advanced grub configuration<br></blockquote><blockquote type="cite">option during the install.<br></blockquote><blockquote type="cite">after the install is done i boot in linux rescue mode , chroot the<br></blockquote><blockquote type="cite">filesystem and copy grub to both drives using:<br></blockquote><blockquote type="cite">grub>root (hd0,0)<br></blockquote><blockquote type="cite">grub>setup (hd0)<br></blockquote><blockquote type="cite">grub>root (hd1,0<br></blockquote><blockquote type="cite">grub>setup (hd1)<br></blockquote><blockquote type="cite">grub>quit<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">then reboot, but is still get the error : disk boot faillure, insert<br></blockquote><blockquote type="cite">linux install disk.<br></blockquote><blockquote type="cite">does anyone now what i'm doing wrong? here is a copy of my partition scheme.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Disk /dev/sda: 251.0 GB, 251000193024 bytes<br></blockquote><blockquote type="cite">255 heads, 63 sectors/track, 30515 cylinders<br></blockquote><blockquote type="cite">Units = cylinders of 16065 * 512 = 8225280 bytes<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Device Boot Start End Blocks Id System<br></blockquote><blockquote type="cite">/dev/sda1 * 1 38 305203+ fd Linux raid autodetect<br></blockquote><blockquote type="cite">/dev/sda2 39 675 5116702+ fd Linux raid autodetect<br></blockquote><blockquote type="cite">/dev/sda3 676 30515 239689800 fd Linux raid autodetect<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Disk /dev/sdb: 251.0 GB, 251000193024 bytes<br></blockquote><blockquote type="cite">255 heads, 63 sectors/track, 30515 cylinders<br></blockquote><blockquote type="cite">Units = cylinders of 16065 * 512 = 8225280 bytes<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Device Boot Start End Blocks Id System<br></blockquote><blockquote type="cite">/dev/sdb1 * 1 38 305203+ fd Linux raid autodetect<br></blockquote><blockquote type="cite">/dev/sdb2 39 675 5116702+ fd Linux raid autodetect<br></blockquote><blockquote type="cite">/dev/sdb3 676 30515 239689800 fd Linux raid autodetect<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Disk /dev/md1: 5239 MB, 5239406592 bytes<br></blockquote><blockquote type="cite">2 heads, 4 sectors/track, 1279152 cylinders<br></blockquote><blockquote type="cite">Units = cylinders of 8 * 512 = 4096 bytes<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Disk /dev/md0: 312 MB, 312410112 bytes<br></blockquote><blockquote type="cite">2 heads, 4 sectors/track, 76272 cylinders<br></blockquote><blockquote type="cite">Units = cylinders of 8 * 512 = 4096 bytes<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Disk /dev/md2: 245.4 GB, 245442281472 bytes<br></blockquote><blockquote type="cite">2 heads, 4 sectors/track, 59922432 cylinders<br></blockquote><blockquote type="cite">Units = cylinders of 8 * 512 = 4096 bytes<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Regards,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Wessel<br></blockquote><br><br>-- <br>Jussi Hirvi * Green Spot<br>Topeliuksenkatu 15 C * 00250 Helsinki * Finland<br>Tel. +358 9 493 981 * Mobile +358 40 771 2098 (only sms)<br>jussi.hirvi@greenspot.fi * http://www.greenspot.fi<br>_______________________________________________<br>CentOS mailing list<br>CentOS@centos.org<br>http://lists.centos.org/mailman/listinfo/centos<br></div></blockquote></div><br></body></html>