jackie sparks writes:
Im trying to store my mail on a file system that is mounted thru fuse. For some reason postfix and courier cannot access the maildirs on the mounted filesystems. I don't understand why this is happening. I have set the uid and gid to the vmail user 5000 and even went as far as allowing all. I tried symlinking at first then after that did a direct mount. The logs for courier are not producing any information that is relevant except a occasional cannot create dotlock. This is killing me. The dotlock error is every once in a while but what is consistant is couriers/maildrops inability to function inside the fuse mounted file system. Has anyone else tried this or know the code well enough to know why they are behaving this way?
Courier is not leveraging any kind of a non-public interface or a kernel API. It opens files and directories, reads them, sometimes writes them, renames them, deletes them. No different than any other user-level process.
From your description, it sounds like something that fuse is doing is notaccurately emulating the semantics of an ordinary filesystem, with 100% accuracy. Where the disconnect is, is not really possible to determine from this description. The only thing that can be determined is that, usually, it seems, whatever it's doing it's doing it good enough to work most of the times. But, occasionally, a rare sequence of events is resulting in something breaking or not working correctly. It's not possible to tell what it is, without a lot more information. If you can come up with a series of steps or events that reliably reproduce these conditions, it may be possible to isolate and reduce the problem scope, and see what can be done about it.
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