To those moving to Jaunty: Do not use the new ext4

[Matthew Flaschen]

Jonas Norlander wrote:
> I haven't read all comments and I'm no expert on file systems but as
> far as i know ext4 is a journaling file system and by that it should
> guarantee that only complete writes of a file should be registered and
> if thats not the case the old file should be intact and not truncated.

The truncate is an operation requested by the app.  It is not a mistake.
 The only part that causes problems is the subsequent write (after
truncate) is not synced until too late.  ext3 was exactly the same in
this respect, except that it synced much more often.

Matt Flaschen