• Access your data without facing any errors or losses
  • End-to-end encryption of your files and backups
  • Share your files with non-Sync users

Store, share and access your files from just about anywhere.

Backup your files

The service is scalable, and users only pay for the storage space. 

What is the max file size that we can upload to S3? 

You can upload files larger than 5 gigabytes using the multipart upload API, with which you can upload files as large as five terabytes to the S3. 

How can I upload large files to S3 from the browser?

  • Split the file into different parts using the dd, Linux, or split method.
  • Launch the multipart upload and get an upload ID once it is launched.
  • Upload each part of the file, followed by the upload ID and the part number.
  • Conclude the upload by submitting the ETag pairs, including the upload ID and let number for each part of the file.

You might experience a network error while uploading files to the S3. Some common S3 network errors you could come across are: 

  • Unable to connect to the endpoint.
  • Missing credentials.
  • S3 API returned an error.

Here’s how you can fix these errors once and for all: 

What can I do if the S3 upload fails due to a network error?

1. Fix unable to connect to endpoint 

2. Fix missing credentials 

You can get the missing credentials error if the DB cluster is missing the IAM role attachment or the role ARN is not given, and only the role name is provided in the parameter group.

The best way to fix this is to load data from the S3 command. 

3. Fix S3 API returned error 

This error could appear either because you have an encrypted file in your S3 bucket or encryption on your S3 bucket.

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Either way, this can be fixed by adding kms* to the IAM role you used to perform the LOAD operation if the ServerSideEncryptionConfigurationExists is true. 

You can also click here to learn more about S3 uploading. I hope this guide has helped to solve the issue! Please remember to share your thoughts in the section below.

If the advices above haven’t solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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