grub-probe failed to detect that the root filesystem is XFS. it is a raid5 md device.
Here is the text from grub-install: # grub-install /dev/sda /usr/sbin/grub-probe: error: unknown filesystem. Auto-detection of a filesystem of /dev/md1 failed. Please report this together with the output of "/usr/sbin/grub-prob --device-map=/boot/grub/device.map --target=fs -v /boot/grub" to <[email protected]> # /usr/sbin/grub-prob --device-map=/boot/grub/device.map --target=fs -v /boot/grub /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd0 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd1 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd2 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd3 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd4 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: the size of hd5 is 1953525168. /usr/sbin/grub-probe: info: changing current directory to /dev. /usr/sbin/grub-probe: info: opening md/1. /usr/sbin/grub-probe: error: unknown filesystem. # _______________________________________________ Bug-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/bug-grub
