Hosting & Cloud
Cloud Node with D4 errors in log
Sanjay Parbhoo
2018-11-22
We have a cloud node instance where the service cannot start and there is a d4 error message in the log file. This suggests that the database has been damaged and needs to be recreated.

What is the procedure to resolve this?
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Håvar Falck-Andersen
2018-11-23
I have the same problem on a client (windows). How to restore the cloud node HDB ?
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David Delač
2018-11-23
Hello Sanjay,
Thank you for your enquiry. Have you tried exporting and importing back the same database? This usually works and in case it doesn't then I would suggest you to try importing latest backup.

Best Regards,
David D.
HansaWorld Sweden
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Tomas J.
2019-03-28
If a CN database is damaged, then an export/import can be done (only for advanced users who can recognize such issue)

Stop CN service

Go to CN directory and perform normal export/import
Start CN service



Manual steps to recover if D4 and backup can not be created

hansa-cloudnode --rawdata
ren HANSA.HDB HANSA.HDB.D4
hansa-cloudnode rawdata.txt
hansa-cloudnode --backup
ren HANSA.HDB HANSA.HDB.BAK
hansa-cloudnode Backup\TB.TXT
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