On Mon, Jul 24, 2017 at 07:56:23PM +0300, Aki Tuomi wrote: > Well, dovecot does not really guarantee access concurrency safety if you > access indexes using more than one instance of dovecot at the same time.
Pardon my ignorance, but how does Dovecot handle when an IMAP client connects multiple times concurrently? Does it not launch multiple instances? > Nevertheless, did you try w/o LizardFS, just to rule out any bugs or > incompabilities? Moving everybody off of LizardFS is not an option, and this has affected many separate mailboxes. Now that we have implemented a director front end (instead of just a semi-persistent load balancer), the instances have been reduced, but it is still happening on accounts that are not being accessed across multiple servers. I will see if I can pin these down to a single server and move them onto non-shared storage there. -- Bruce Guenter <br...@untroubled.org> http://untroubled.org/
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