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Symptom:
Backup fails before performing any work with Error code 54xx at file common.c, line 54xx associated with not getting a lock file .b within the 30s timeout.
Cause:
The NFS shared folder on the Synology cannot have the setting "Enable data checksum for advanced data integrity" option enabled.
Solution:
The shared folder will need to be deleted and recreated without this option selected.
Recommended reading: [url]https://kb.synology.com/en-id/DSM/tutorial/How_to_optimize_NFS_performance_in_virtual_environments[/url]
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Use some real Linux server. Synology devices are expensive and have little RAM and outdated CPUs. Any 4th to 6th Intel generation i3 or i5 will perform way better for a fraction of the cost of a Syonology device.
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