On Monday, August 29, 2016 12:08:16 PM CEST Pavel Machek wrote: > Hi! > > You encrypt a directory -- sounds easy, right? Support is in 4.4 > kernel, my machines run newer kernels than that. Encrypting root would > be hard, but encrypting parts of data partition should be easy. > > Ok, lets follow howto... Need to do tune2fs. Right. Aha, still does > not work, looks like I'll need to reboot. > > Hmm. Will not boot. Grub no longer recognizes my /data partition, and > that's where new kernels are. Old kernels are in /boot, but those are > now useless. Lets copy new kernel on machine using USB stick. Does not > boot. Fun. > > tune2fs on root filesystem is useless, as it is too old. New one > is ... on the data partition. Right. Ok, lets bring newer version of > tune2fs in. "encryption" feature can not be cleared. > > Argh! Come on, I did not even create single encrypted directory on the > partition. I want the damn bit to go off, so I can go back to working > configuration. "Old kernels can not read encrypted files" sounds ok, > but "old kernels can not mount filesystem at all" is not acceptable > here :-(. > > Is there way to go back? Restoring 400GB from backups would not be fun I have not tried it myself, but this should work? debugfs -w -R "feature -encrypt" /dev/device (assuming the feature flag is called "encrypt") Cheers, Bernd -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
