Migration from Kopano to Grommunio

hispeed

Hi @ all this is my first post here at Grommunio 🙂.

I need to switch to Grommunio from Kopano. I have a database with the attachments stored in the database.
This is my plan:

Stop the productive system and save the whole VM
Restore the whole VM and try to store the attachments outside the database.
Create a backup of the current Kopano database
Install a new Debian Server
Install Grommunio Community on the fresh Debian server
Restore the Database on the fresh server?
Use gromox-kdb2mt
How do i restore the attachments?

Then i have a special setup with fetchmail which i need to test if I can do successfully the steps above.
Did i forget something?

Thank you for your help.

Best Regads
hispeed

crpb

Theres an proofen easy mode

https://github.com/grommunio/gromox/blob/prime/tools/kopano2grommunio.sh

I would clone/backup the old server, try an attachment export. If it's working do it with the live system. and from there you can just use the mentioned script.

crpb

@WalterH o_0

crpb try an attachment export.

hispeed

Thank you for this info, i didn't know until now about that script. I will check and try that. I hope I can export the attachments this is probably the "big" part. My database has around 12 GB so it's not that big as others I think.

WalterH

hispeed I hope I can export the attachments

On the Kopano server you find the script db-convert-attachments-to-files to export the attachments. Documentation: https://documentation.kopano.io/kopanocore_administrator_manual/upgrading.html
See: 4.1.1.2. Migrating database attachments to files - added this information.