Thanks, I have heard of that issue. I will put that on my checklist. Grub is accessible, so I can try a menu change from there. Mr. X wrote: > > --- On Mon, 1/4/10, Ben M. <centos at rivint.com> wrote: > >> From: Ben M. <centos at rivint.com> >> Subject: [CentOS-virt] Xen box down >> To: centos-virt at centos.org >> Date: Monday, January 4, 2010, 12:36 PM >> My stock CentOS 5.4 box won't come up >> after a reboot as reported from my >> office. >> >> Error is: "duplicate or bad block in use" >> >> Before rebooting xm dmsg had printk suppressed messages. >> >> The box is remote, 2 hour drive. Some advice on what >> hardware to bring >> with me and how to approach this via fsck would be >> welcome. >> >> Its an nvidia dmraid boot on WD Velocirapters. > > Was there a kernel update? Sometimes the new initrd does not support dmraid. If this is applicable, boot into the old working kernel and run mkinitrd against the new kernel, reboot and x-fingers. This has worked for me in the past. > > My 18 yo kid has an ich5 Raid0 dual boot of Winxp/Fedora going for almost 4 years. Once when updating the kernel it was necessary to rebuild the initrd. >