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Druva Documentation

Troubleshooting "Failed while reading file-system structure" error on MAC

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This article explains how to troubleshoot the “Failed while reading file-system structure” error which occurs during backup.


SyncError: Failed while reading file-system structure. (#100000048)

This error can be found in the inSyncClient<Date and time>.log located under the following location 

/Users/<username>/Library/Application Support/inSync/Logs


This error occurs due to file system/disk corruption.


  1. Run the Disk Utility or fsck based on the MAC OS version, to verify if there are any disk errors.  Refer the following link for more details.

You can check the results in the UI and the log files created for each of these utilities, under the following locations.

For Disk utility: /Users/<username>/Library/Logs/DiskUtility.log

For fsck utility: /Users/<username>/Library/Logs/fsck_hfs.log

  1. Contact your hardware vendor to rectify any/all disk and file system issues.
  2. In case the issue persists after resolving the disk/file system issues, contact Druva Technical Support.