initrd for that kernel ok for all the required modules? On 24 Aug 2010 09:53, "Eric Doutreleau" <Eric.Doutreleau at it-sudparis.eu> wrote: > well > yes the drive is bootable as i can boot from it > it s when the kernel need to find the root device that it s the problem > it s like it can't find the volume group > > > Le 23/08/2010 15:44, m.roth at 5-cent.us a écrit : >> Eric Doutreleau wrote: >>> >>> i m trying to install centos5 on my poweredge 2950 with no luck. >>> the raid controler is LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev 04) >>> >>> indeed all is going fine during the installation but when i reboot the >>> server panic >>> >>> the first error i got is this one >>> error mounting /dev/root on /sysroot as ext3: block device required >>> >>> it seems that it can't find the /dev/root devices. >>> >>> but when i boot in rescue mode the / partition is found without any >>> problem. i can chroot in it >> >> Does the PERC controller know that the drive you want to boot off of is >> bootable? Have you<ctrl-r>'d into the controller before boot, and then >> gone to control (there's virtual disks, PD, and the third thing, I forget >> exactly what it's called, but I'll be able to tell you later today), and >> down on the bottom, just to the right of center, it displays the bootable >> drive. Though it doesn't *look* like it, if you tab down there and down >> arrow, it will display choices.... >> >> Oh, and you did note that no matter how you set it up, it *ALWAYS* wants >> slots 2& 3 to be RAID group 0, and the drives in slots 0 and 1 to be >> group 2? >> >> Oh, yes, and it also *REFUSES* to display any drive that's not raided, >> even if you want your boot and root on a drive that's not raided.... >> >> I decided Friday that this *thing* was designed and signed off on by >> two-toothed idiots with IQs around 57, decended from generations of the >> same who couldn't manage to run a farm, whose ancestors came to the US by >> selling themselves as indentured servants, who once they were here were >> *fired* because they were too stupid to follow directions.... >> >> mark "would you like me to *really* tell you how I feel about them?" >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100824/08ca7a0a/attachment-0005.html>