Am 03.07.2012 20:00, schrieb David Kuhl: > I'm so stuck with this Gentoo laptop. It started with a standard > update which was the first in three months. Then when the X didn't > run due to xorg-server getting upgraded, the 3.3.8 gen kernel was > suppose to be built with KSM. That failed due to mkfs_ext2.h. The a > beta of genkernel was used and which built the kernel and initramfs, > but the rest of the machine looks like it's gone. All the LVM2 > partitions are broke: /home /var /opt /usr. What's the best way to > get this back without loosing the system? Thanks >
Step one: Do a full disk backup. Boot to a live-CD, then back everything up with dd or -- if available -- ddrescue. Step two: Replace broken partitions with `mount --bind` versions from the live-CD. Then chroot into your system. Refer to the Gentoo Handbook for details. Step three: Do you still have /etc? In that case, you can try to restore the LVM metadata from backups that are automatically created by certain operations. Try `vgcfgrestore --list <volume group>` from a to see what is available. Step four: Post more info. Regards, Florian Philipp
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