On 1/29/2014 13:59, Chris Murphy wrote: > > On Jan 29, 2014, at 11:41 AM, Don Levey <fedora-list@xxxxxxxxxxxxx> > wrote: > >> A short while ago, during a power cut, my desktop machine failed. >> A power-up displayed symptoms consistent with a missing /boot >> partition; attempting to boot under the rescue CD seemed to confirm >> this when it did not mount the /boot partition. >> >> ... > > I'm wondering why /boot and not rootfs, and why it's not mounting. > Normally /boot isn't being written to at all except when kernels are > being installed, and /boot on ext4 or XFS should recover with a > normal mount at boot without even requiring fsck. > Chris, thank you for responding! I was wondering something similar; perhaps there is physical damage? One small fact I forgot to mention: this is a dual-boot machine (WinXP). The Windows side comes up without a problem. > Anyway, if you're for sure convinced it's corrupt then reformat the > partition. Use blkid to get the new volume UUID to insert into > /etc/fstab so it gets mounted when you next boot. And then mount > root, boot, (boot/efi if this is a UEFI machine), and use: mount -B > /dev /mnt/dev #where /mnt is where rootfs is mounted mount -B > /proc /mnt/proc mount -B /sys /mnt/sys chroot /mnt yum reinstall > kernel #grubby will probably complain due to lack of grub.cfg > grub2-install /dev/sdX grub2-mkconfig -o /boot/grub2/grub.cfg > ... I assume I'm reformatting using mkfs; I *think* I understand the rest. But now another question arises: Since the (previous) /boot partition was fairly small, is there any reason not to just abandon it, remove /boot from fstab, and install the kernel into the /boot subdirectory of /? -Don -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
