Restrictions

1. Restricted characters in file/folder name include "<>:\"/\\|?*"

2. The maximum segment length is 255 characters. 

3. Amazon S3 does not allow non-printable ASCII characters. 

4. Maximum file size: 5 TB

5. The largest object that can be uploaded in a single PUT: 5 GB

6. The default limit for provisioned buckets is 100 per AWS account.

7.  While Amazon S3 Supports metadata the metadata must be in place at the time of the upload, and does not support SkySync metadata import.

Amazon S3 Bucket Naming Requirements

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Caution: Because S3 allows your bucket to be used as a URL that can be accessed publicly, the bucket name that you choose must be globally unique. If some other account has already created a bucket with the name that you chose, you must use another name.

Additional Restrictions

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The largest object that can be uploaded in a single PUT: 5 GB

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The default limit for provisioned buckets is 100 per AWS account.

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 While Amazon S3 Supports metadata the metadata must be in place at the time of the upload, and does not support SkySync metadata import.

API Method

SkySync uses the default Rest API to connect to Amazon S3.

Storage Classes

When creating a connection to Amazon S3 in SkySync, the administrator will have the option to choose the appropriate storage class.

Each storage class is for different use-cases. The following link explains the functions of each storage class.

https://aws.amazon.com/s3/storage-classes/

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Special Note Regarding Amazon Glacier

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The SkySync administrator can connect to a Glacier storage class in Amazon S3 'Glacier' from the 'Storage Class' drop-down menu when making an S3 connection: