As the title suggests, I was fiddling with ext2 volume manager trying to get my unencrypted removable ext/luks drive to show up under windows. I accidentally went to 'change partition type' and switched it to extended from some mystery filesystem type. I refreshed and it showed up as free space under windows. Then I panicked and unplugged it and plugged it into my Ubuntu laptop trying to fix it . Fsck shows zero length partition. I didn't format it so presumably the information is still there. I'm pretty sure the bulk of the information (1TB removable drive) will still be encrypted.
How do I even start to go about fixing this?