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Go to BigPicture/BigGantt App configuration > Advanced > Database dumps.
Click the New dump button.
Add a description.
To confirm, click the Create dump button.
You will be able to can track the progress:
The new database dump should appear at the top of the list of backups.
Press the Download button to save the backup file to the disk (if you don't see the item on the list, refresh the page).
Step 2 - Create a Jira XML backup and download it
Don't use the Atlassian JCMA tool.
In this part, you need to create a Jira backup and import it:
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Go to BigPicture App Configuration > Advanced > Database dumps.
Upload your database dump (the one you created earlier on the server/data center) by pressing the Import button.
Click Restore. Press the Restore button in the line with the backup name.
Confirm the next step.
Check the confirmation box and press the Next button.
Confirm the operation by entering the word RESTORE.
Click the Restore button.
Important!
If the BigPicture instance is not new and some work has already been done on it, this work will be overwritten! BigPicture will automatically dump its current state before restoring it (so the process can be reversed).
Map the users from Jira Server/Data Center to the users on Jira Cloud.
During server/data center to cloud migration, automatic user assignment will be performed (the matching is based on the users' email addresses). There may be a situation where not all users on the server/data center side will be matched to the users on the cloud side. In this case, manually assign users that were not mapped in the automated process (if there are too few users on the Jira Cloud side, they need to be created before the restore operation):
Info: If there are many unmatched users (more than 20-30), it may mean that the data from Jira was not migrated correctly. In this case, verify that the user data has been migrated.The database recovery process will start.
After the recovery process, the migration from one instance to another is over.
You can then go to BigPicture and verify the data's correctness.
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