Qnap Time Machine “Operation couldn’t be completed. OSstatus error 89″ Hatası

Full Problem Description;

We have a backup unit QNAP TS-431 (4.2.0) which doesn’t work with Time Machine, anymore. (Systems we use: Mac OS X Snow Leopard, Yosemite, El Capitan.) Here is the error message we got:

Time Machine can’t access the backup disk “TMbackup”

(Operation couldn’t be completed. OSstatus error 89.)


How To Solve

Problem caused by metadata on NAS Problem and you should delete old backups in to solve problem”

How To Delete Old Backups;

Disable Time Machine backup from the NAS admin page
Access the NAS via SSH in Terminal i.e. ssh admin@<ip of nas>
Delete the Time Machine files with the command:
rm -r /share/MD0_DATA/.timemachine
Enable Time Machine backup again
Run a Time Machine backup from your Mac”

This shoud fix your problem.. If not, please contact with Qnap support team for advanced help!


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Qnap Time Machine Problems; "Operation couldn’t be completed. OSstatus error 89"Qnap Time Machine "Operation couldn’t be completed. OSstatus error 89" Hatası, 10.0 out of 10 based on 1 rating

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