purge causing reappearing mails?

[telsch]

if it's still the same pid, yes:

<user>   7584 13.2  1.5 221168 63508 ?        R    12:48   3:36
dovecot/doveadm-server

On 02.09.19 13:13, Aki Tuomi via dovecot wrote:
> Any idea what pid 7584 is?
>
> Aki
>
> On 2.9.2019 14.08, telsch via dovecot wrote:
>> Hello,
>>
>> today i got reappearing mails again, but not from purging. In the logs i
>> only found this. I've got massive problems by many users because
>> reappearing mails. If you need more information, i could provide.
>>
>>
>> Sep 02 12:58:43 doveadm: Warning: Transaction log file
>> /var/spool/mail/<user>/storage/dovecot.map.index.log was locked for 43
>> second
>> s (mdbox storage rebuild)
>> Sep 02 12:58:43 doveadm: Warning: fscking index file
>> /var/spool/mail/<user>/storage/dovecot.map.index
>> Sep 02 12:58:43 doveadm: Warning: mdbox /var/spool/mail/<user>/storage:
>> rebuilding indexes
>> Sep 02 12:59:01 dsync-local(<user>)<esxhKpHzbF2jHQAA0H466A>: Error:
>> Couldn't lock /var/spool/mail/<user>/.dovecot-sync.lock:
>> fcntl(/var/spool/mail/<user>/.dovecot-sync.lock, write-lock, F_SETLKW)
>> locking failed: Timed out after 600 seconds (WRITE lock held by pid 7584)
>> Sep 02 12:59:34 doveadm: Warning: Transaction log file
>> /var/spool/mail/<user>/storage/dovecot.map.index.log was locked for 51
>> seconds (mdbox storage rebuild)
>> Sep 02 12:59:34 doveadm: Warning: fscking index file
>> /var/spool/mail/<user>/storage/dovecot.map.index
>> Sep 02 12:59:34 doveadm: Warning: fscking index file
>> /var/spool/mail/<user>/storage/dovecot.map.index
>> Sep 02 12:59:35 doveadm: Warning: mdbox /var/spool/mail/<user>/storage:
>> rebuilding indexes
>> Sep 02 13:00:22 doveadm: Warning: Transaction log file
>> /var/spool/mail/<user>/storage/dovecot.map.index.log was locked for 48
>> seconds (mdbox storage rebuild)
>> Sep 02 13:00:23 doveadm: Warning: fscking index file
>> /var/spool/mail/<user>/storage/dovecot.map.index
>>
>> On 26.08.19 18:06, sch tel via dovecot wrote:
>>> Hello,
>>> i'm running 2 dovecot 2.3.4.1 servers with replication. once a week
>>> purge command is executed. but from time to time it seems there are
>>> deleted messages reappering after purge is executed. so i run in debug
>>> mode. i saw in the past a few questions about reappearing messages here
>>> on list.
>>> doveadm -v -D purge -A
>>> doveadm(user): Error: Corrupted dbox file
>>> /var/spool/mail/user/storage/m.10603 (around offset=7148503): invalid
>>> metadata magic
>>> doveadm(user): Warning: fscking index file
>>> /var/spool/mail/user/storage/dovecot.map.index
>>> doveadm(user): Warning: mdbox /var/spool/mail/user/storage: rebuilding
>>> indexes
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> bc4aa501fc4f7df7ac275f8c79279ff5 in m.2171:525629 (size=2026) and
>>> m.855:946779 (size=1784)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> b48e29a402f8683e7c91f32d16c52936 in m.2086:305158 (size=89091) and
>>> m.2732:614638 (size=88842)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 43d2f95804075dc336d8c4224bbba0b5 in m.2290:1234440 (size=1942) and
>>> m.9021:224875 (size=1943)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> df24cd27a10a8d431e01fabc157e66d0 in m.756:16 (size=47961) and
>>> m.1133:1693832 (size=47960)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 6e196b915f37623455521cc591b15294 in m.2263:63985 (size=2036) and
>>> m.1933:21800 (size=2037)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 7e890f08cef769c1800d24fd2c206c2d in m.2133:1658427 (size=64459) and
>>> m.2268:1012431 (size=64193)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> ab95f2c3b9df8950518e8064f1a89b2a in m.2133:827558 (size=23629) and
>>> m.2268:1304070 (size=23637)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> f4a82d0705e4072908ea4937ff49a6e1 in m.2144:1673818 (size=4380) and
>>> m.1638:2079685 (size=4117)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 82e1f95de0473e0425ce5e81055e6578 in m.1322:16 (size=2264817) and
>>> m.1280:16 (size=2264818)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 144c8f800e3201960cc197ea47169691 in m.2140:1820601 (size=2396) and
>>> m.2003:275867 (size=2127)
>>> doveadm(user): Error: mdbox /var/spool/mail/user/storage: Duplicate GUID
>>> 52ea5e1729d92b384efd7b8796c798b5 in m.2268:1774031 (size=5661) and
>>> m.2292:117114 (size=5665)
>>> doveadm(user): Error: Corrupted dbox file
>>> /var/spool/mail/user/storage/m.10603 (around offset=7148503): metadata
>>> header has bad magic value
>>> doveadm(user): Warning: dbox: Copy of the broken file saved to
>>> /var/spool/mail/user/storage/m.10603.broken