On Thu, 2020-06-04 at 09:30 +1000, Ian Willis wrote: > Hi Brian, Hi Ian, > The answer to your question is that yes, UID appears to correlate > with > the message file name. Thanks. > At a guess something appears significantly awry. Indeed. > Have you tried create a separate mail user. Copy your existing > message > over via imap to the new folder. > Delete and expunge the original mailbox and recreate, recopy. I have considered that. But I suspect that is going to cause the message numbers on the disk to be recreated. Since this seems to affect many (all?) folders for many (again, all?) users, that would result in trashing the efficiency of my incremental backup. > In the longer term I would be tempted to move to a newer version of > cyrus I'm stuck with what my distro vendor supplies. That said, once the cause of this problem, or it's reproducibiilty can be confirmed, distro vendor will be getting a ticket to resolve this in some way. But the first step is identifying the issue, resolving it and seeing if it reproduces. > or if you have the patience closely monitor the file-system to > debug how this is occurring. Right. I think the first step is to figure out how to get things back to normal so that it can be monitored more closely and the discrepancy is no longer a haystack and will be more incrementally obvious when it does happen. Figuring out how to get back to normal will also provide the tools/process to monitor on an ongoing basis to see why it's happening. I'm just not sure how to get back to normal at this point. Cheers, b.
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