Zimbra Forums

Yes, you are right:

This is the last Patch 3 informations:
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P3

Fixed issue with backup when mailbox had large amount of data

The default value for the Free Space Threshold value on NG Backup is now 2048Mb to improve usability.

This is the last Patch 3 informations:

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P3

Fixed issue with backup when mailbox had large amount of data

The default value for the Free Space Threshold value on NG Backup is now 2048Mb to improve usability.

There is no solution for now.

https://bugzilla.zimbra.com/show_bug.cgi?id=109249

News: I just upgraded Zimbra on another test server. It happens exactly the same as on the first server. Definitely a bug in the last update. How to post a bug? And how to restore to the previous version? Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB] Hit:2 http://cm.arch...

From /opt/zimbra/log/mailbox.log ... com.zimbra.common.service.ServiceException: system failure: Unable to get size of dataSource Old UCB ExceptionId:ScheduledTask-10:1571785205964:7981563a5e16741b Code:service.FAILURE at com.zimbra.common.service.ServiceException.FAILURE(ServiceException.java:288) ...

Since the last update I have this error message: ******** (failing since 22/10/19 14:54) Error: system failure: Folder sync failed, system failure: Synchronization of folder '/*******/INBOX' failed, system failure: UID FETCH failed: com.zimbra.cs.mailclient.CommandFailedException: UID FETCH failed: ...