Fix Cloud Sync Interrupted by Network Errors — Retry and Resume with RcloneView
Network drops during a cloud sync are frustrating but not catastrophic — RcloneView's retry mechanism and Job History re-run capability get your transfer back on track.
Network interruptions mid-sync are a reality, especially for long-running transfers over home connections, VPNs, or metered connections. When connectivity drops during an active sync job, files already transferred are safe — but you need to know what was completed, what failed, and how to resume correctly. RcloneView provides retry configuration, job re-run from history, and Dry Run verification to handle this scenario cleanly.
Manage & Sync All Clouds in One Place
RcloneView is a cross-platform GUI for rclone. Compare folders, transfer or sync files, and automate multi-cloud workflows with a clean, visual interface.
- One-click jobs: Copy · Sync · Compare
- Schedulers & history for reliable automation
- Works with Google Drive, OneDrive, Dropbox, S3, WebDAV, SFTP and more
Free core features. Plus automations available.
What Happens When the Network Drops
When network connectivity is lost during a sync job, rclone (the engine behind RcloneView) will attempt to retry the failing operations according to the job's retry configuration. If the network doesn't recover within the retry window, the job reports as failed. Files successfully transferred before the interruption remain at the destination — they won't be corrupted, but they won't be re-transferred unnecessarily on the next run either.
The key is understanding that RcloneView sync jobs are idempotent: re-running a sync job compares source and destination and only transfers what's missing or changed.
Configuring Retry Behavior
In RcloneView, open your sync job and navigate to step 2 (transfer options). Look for retry settings:
- Retry entire sync if fails: enable this option to automatically re-run the full sync if any transfers fail. The default is 3 retries.
- Low level retries: controls how many times individual file transfers are retried before marking them as failed (default: 10)
- Retry on failure: ensures that transient errors (including network timeouts) trigger automatic retries with backoff
For sync jobs over unstable connections, setting Retry entire sync to 5 and keeping Low level retries at 10 provides substantial resilience.
Resuming from Job History
If a job fails despite retries, go to Job History and find the failed run. The history entry shows how many files were transferred and how many failed. Click Re-run — RcloneView launches the same job again with the same settings. Because sync compares source and destination state, already-transferred files are skipped and only the remaining or failed files are processed.
This is significantly faster than starting over and avoids re-uploading data that arrived safely at the destination.
Using Dry Run to Verify State
After a network interruption, you may be unsure of the current sync state — especially if the failure happened mid-large-file. Enable Dry Run on the job and re-run it. Dry Run shows what the next execution would transfer without actually moving anything. This gives you a clear picture of how many files remain before committing to the real sync.
Handling Large File Interruptions
For transfers of very large individual files (multi-GB), a mid-file network drop means that file will be re-transferred entirely on the next run (unless the cloud provider supports resumable uploads and rclone's chunked transfer mode). To minimize re-transfer overhead for large files, enable chunked uploads in the job's advanced settings where supported (S3-compatible providers, Google Drive). This allows partial uploads to resume from the last completed chunk.
Getting Started
- Download RcloneView from rcloneview.com.
- Open your sync job settings and enable Retry entire sync if fails with 3–5 retries.
- After a network-interrupted job, go to Job History and use Re-run to resume.
- Use Dry Run to verify the remaining transfer scope before the final re-run.
With proper retry configuration and Job History re-runs, network interruptions are a minor inconvenience rather than a sync failure.
Related Guides:
- Recover Interrupted and Failed Transfers with RcloneView
- Job History and Transfer Logs Monitoring
- Troubleshoot rclone Errors with RcloneView
Supported Cloud Providers
