Hi, I'm using LVM on SW-RAID (mdadm, raid level 6, 1.2 metadata) for /boot. GRUB 1.99-27+deb7u2 from Debian/wheezy works fine with this configuration in a VM setup, but amusingly the *same* setup fails on physical hardware with:
| # grub-install --recheck /dev/sda | error: unknown LVM metadata header. | error: unknown LVM metadata header. | /usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/cryptorootfs. Check your device.map. | Auto-detection of a filesystem of /dev/mapper/cryptorootfs failed. | Try with --recheck. | If the problem persists please report this together with the output of "/usr/sbin/grub-probe --device-map="/boot/grub/device.map" --target=fs -v /boot/grub" to <[email protected]> GRUB 2.00-22 from Debian/unstable works, but since I'd like to use this setup also with plain Debian/wheezy systems I'd be interested why this is actually failing here. Could it be that grub finds any previous/outdated metadata on the disks? Is there any workaround? Further logs/details available at http://michael-prokop.at/homesrv/grub.txt - if you need any further data/information please let me know. (Please CC me on replies, I'm not subscribed to the help-grub ml) regards, -mika-
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