Hi I have dovecot director with 2-3 ring and 4 dovecot My ring is : 10.0.100.2? 9090 right never?????? synced????? 8?????? 37305225 39763861 0??????? 723?????????? 2019-02-13 16:02:04 2019-02-13 16:02:04????????????????????????????????? 10.0.100.3? 9090 left? never?????? synced????? 8?????? 57409664 8707830? 0??????? 737?????????? 2019-02-13 16:02:04 2019-02-13 16:02:04????????????????????????????????? 10.0.100.4? 9090 self? never?????? ring synced 1?????? -??????? -??????? -??????? -???????????? -?????????????????? -????????????????? 10.0.100.4 - This is my default server where clients connect - default direcor 2.2.36 10.0.100.3 - second direcot 2.2.36 10.0.100.2 - second director with older ver 2.2.18 Today I found the error in my default mailserver Feb 13 13:21:23 kernel: [24253349.641695] qmail-remote: page allocation failure: order:2, mode:0x204020 and problem with logging via imap and pop3 I try "doveadm director status" i get time out I try restart dovecot and get: Feb 13 13:21:03 thebe3 dovecot: master: Fatal: Dovecot is already running? Socket already exists: /var/run/dovecot/login/director before failure i found: "imap-login: Error: write(proxy-notify) failed: Resource temporarily unavailable" but my setting they seem correct https://paste.debian.net/1067596/ I moved IP (via keepalive) all to other director (secound servcer) And when I try "doveadm director status" i get time out https://paste.debian.net/1067601/ I do not understand why I had a problem with second server and restart dovecot in server2 restart solved the problem ?