У меня аналогичная ситуация, только с базой на MSSQL.
При попытке обновится в веб-интерфейсе, возвращается обратно к текущей версии 11.0.2
Тоже самое было при обновлении с версии 11.0.1 на 11.0.2: https://forum.drweb.com/index.php?showtopic=331409
Тогда помогли, а сейчас что делать не знаю.
20191120 13:57:32 [DBG] [ Script ] Cleaning database
20191120 13:57:34 [DBG] [ Script ] Cleaning database process exit code is 0
20191120 13:57:34 [DBG] [ Script ] Initializing database with `C:/Program Files/DrWeb Server/etc\agent.key' key
20191120 13:57:58 [DBG] [ Script ] Initializing database process exit code is 0
20191120 13:57:58 [DBG] [ Script ] Importing database from `C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\dbexport.gz'
20191120 14:40:37 [DBG] [ Script ] Importing database process exit code is 0
20191120 14:40:37 [DBG] [ Script ] Execute start_server([=[DrWebES]=]) from form start_server, [=[DrWebES]=]
20191120 14:40:37 [DBG] [ Script ] Starting server through SCM
20191120 14:40:39 [DBG] [ Script ] Execute ignore(spit, [=[INSERT INTO admin_activity(record,subsys,login,address,oper,status,createtime) VALUES('66f57473-5a70-444b-868e-2d640c5fe06e',1,'admin','http://[::1]:56915',10605,2,20191120085718000); INSERT INTO activity_data(record,item,value,createtime) VALUES('66f57473-5a70-444b-868e-2d640c5fe06e','Error','Failed to run `upgrade_db("C:/Program Files/DrWeb Server/bin/drwcsd.exe")'', details: unable to upgrade database, process exit code is 20',20191120085718000);]=], [=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=]) from form ignore, spit, [=[INSERT INTO admin_activity(record,subsys,login,address,oper,status,createtime) VALUES('66f57473-5a70-444b-868e-2d640c5fe06e',1,'admin','http://[::1]:56915',10605,2,20191120085718000); INSERT INTO activity_data(record,item,value,createtime) VALUES('66f57473-5a70-444b-868e-2d640c5fe06e','Error','Failed to run `upgrade_db("C:/Program Files/DrWeb Server/bin/drwcsd.exe")'', details: unable to upgrade database, process exit code is 20',20191120085718000);]=], [=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=]
20191120 14:40:39 [DBG] [ Script ] Execute ifexist([=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=], ignore, update_db, [=[C:/Program Files/DrWeb Server/bin/drwcsd.exe]=], [=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=], [=[revert]=]) from form ifexist, [=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=], ignore, update_db, [=[C:/Program Files/DrWeb Server/bin/drwcsd.exe]=], [=[C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql]=], [=[revert]=]
20191120 14:40:39 [DBG] [ Script ] Updating database with `C:/Program Files/DrWeb Server/var\update\backup\11020190227000000-12020191015000000\rollback.sql'
20191120 14:40:40 [DBG] [ Script ] Updating database process exit code is 0
20191120 14:40:40 [DBG] [ Script ] Execute start_server([=[DrWebES]=]) from form start_server, [=[DrWebES]=]
20191120 14:40:40 [DBG] [ Script ] Starting server through SCM
20191120 14:40:40 [DBG] [ Script ] Server is already in state `running'
20191120 14:40:40 [DBG] [ Script ] Successfully completed `revert'
20191120 14:40:40 [DBG] [ Script ] Revert process exit code (revert -> master) is 0
20191120 14:40:40 [ERR] [ Script ] Failed on `master'