[Users] March 2, 2021 Zeta Alliance Conference Call Summary

Randy Leiker randy at skywaynetworks.com
Thu Apr 15 19:01:58 CEST 2021

Hello Zeta Alliance Community, 

Here is a summary of this week’s conference call. A few brief reminders: 

    * Conference calls are every Tuesday and open to all using either the FreeConferenceCall.com VoIP app or via a dial-in number: [ https://www.freeconferencecall.com/wall/zetalliance | https://www.freeconferencecall.com/wall/zetalliance ] 
    * Each week’s call agenda can be found at: [ https://drive.google.com/drive/folders/1xDyBJFjnfZYxuXJHiDzsXjjMuGGtIl7J | https://drive.google.com/drive/folders/1xDyBJFjnfZYxuXJHiDzsXjjMuGGtIl7J ] 
    * A copy of each week’s summary is also posted to the Zimbra Forums: 
        * All Prior Months: [ https://forums.zimbra.org/viewforum.php?f=9 | https://forums.zimbra.org/viewforum.php?f=9 ] 
        * February 2021 : [ https://forums.zimbra.org/viewtopic.php?f=9&t=69470 | https://forums.zimbra.org/viewtopic.php?f=9&t=69470 ] 
        * March 2021: [ https://forums.zimbra.org/viewtopic.php?f=9&t=69488 | https://forums.zimbra.org/viewtopic.php?f=9&t=69488 ] 
    * Constructive feedback on these call summaries is always welcome. 

March 2, 2021 

Purging Expired Mailbox Data From S3 Backups 
Marc G. and Matthew F. shared they have been trying to get Zimbra backups to S3 storage working, but have encountered a bug. They explained that they cannot purge files from the S3 backups if there is an empty mailbox account. The bug seems to present itself as a lot of missing meta data for a corrupted mailbox. 

Matthew F. suspects this bug is two separate issues, as it is showing a corrupt mailbox, but then the purge goes further after the corrupted mailbox is fixed, and again gets stuck on another empty mailbox. He has observed that the S3 backup purges appear to get stuck on the same empty mailbox everyday. He explained that this is a new Zimbra mailbox server that originally had real-time NG backups periodically enabled, but has always used S3 for backups. If he runs a repair on the empty mailbox, it will fix the corruption, but as soon as the next purge runs, it will report corruption on the same mailbox again. Mark S. said he has a related issue with performing S3 backup purges where when he tries to run a purge on his mailbox server configured for S3 backups, the purge attempts to run on his local backup storage, rather than his backups in S3. 

John H. said that the bug Matthew described was just reported to Zimbra and is anticipated to be fixed in 8.8.15 Patch 21 and 9.0 Patch 14. Cine said that it could be related to a bug in Zextras 3.1.8 Backup Core triggered by empty mailboxes, and he seemed to recall a similar resolved issue encountered when doing mailbox moves. He suggested that Matthew try and create a new Class Of Service (COS) with backups disabled, and then place the problematic empty mailboxes in the new COS. 

Feedback Requested for New ZCO Partial Sync Feature 
John H. asked if anyone on the call has started using the new partial synchronization feature ( [ https://zimbra.github.io/zm-windows-comp/latest/ZCS_Connector_For_Outlook_User_Guide.html#_partialcustomized_sync | https://zimbra.github.io/zm-windows-comp/latest/ZCS_Connector_For_Outlook_User_Guide.html#_partialcustomized_sync ] ) recently introduced in the Zimbra Connector for Outlook (ZCO). Noah P. said not yet, but that he is looking forward to trying it out for some of his customers that have very large mailboxes that currently exceed Outlook’s size limits. 

Upcoming Zimbra Conferences 
It was mentioned that the North America Zimbra Partners conference is scheduled for March 18th. For Spanish/Portuguese partners, there is a LatAm Zimbra conference scheduled for March 3rd. The conferences will include a partner update, product road map, and new announcements. 

Handling GDPR Data Removal Requests In Zimbra 
Mark S. asked, if a Zimbra server is using third-party integrations, such as the Zimlets integrated in to the Modern UI in Zimbra 9, and a GDPR ( [ https://en.wikipedia.org/wiki/General_Data_Protection_Regulation | https://en.wikipedia.org/wiki/General_Data_Protection_Regulation ] ) data removal request is received, is the data in the third-party services also deleted when a Zimbra mailbox is deleted. John E. said he did not think the third-party services would delete the data since Zimbra does not have direct control of the third-party services. It would be up to the user to contact those third-party services individually to request a GDPR data removal, as it relates to the service agreements the user has with each service and their EU citizenship status. He said the only exception is that in the Zimbra 9.0 Web Client, analytics data may need to be deleted separately by the Zimbra administrator, in addition to a mailbox deletion, if the Zimbra server administrator has opted to enable this feature. 

Noah P. asked if it is possible to purge backups for a given mailbox prior to the predefined automatic purge date, such as if a GDPR data removal request is received. Mark S. said he did not believe this is possible and explained that he has added language to his service agreements with his Zimbra users stating that for any deleted mailboxes, the user’s mailbox data will be deleted during the regular backup expiration purge. Marc G. said that his company does the same as Mark S. described and has not encountered any issue to-date. 

Randy Leiker ( randy at skywaynetworks.com ) 
Skyway Networks, LLC 

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