On 01/30/2017 09:02 PM, Michael Born wrote: > Hi btrfs experts. > > Hereby I apply for the stupidity of the month award. > But, maybe you can help me restoring my dd backup or extracting some > files from it? > > Before switching from Suse 13.2 to 42.2, I copied my / partition with dd > to an image file - while the system was online/running. > Now, I can't mount the image.
Making a block level copy of a filesystem while it is online and being modified has a near 100% chance of producing a corrupt result. Simply think of the fact that something gets written somewhere at the end of the disk which also relates to something that gets written at the beginning of the disk, while your dd copy is doing its thing somewhere in between... -- Hans van Kranenburg -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
