Object storage is a storage architecture that manages data as objects accessible through URLs, rather than as files. It is especially efficient and scalable for large amounts of unstructured data, such as backups and archives, images and audio-video content, big data, etc.
The OUTSCALE Object Storage (OOS) service is based on the RING solution by Scality. This service is compatible with the Simple Storage Service (S3) API by AWS. You can therefore use OOS with any S3-compatible tool. For more information, see About Tools to Use OOS.
On the OUTSCALE Cloud, a bucket is a logical resource for hosting objects.
Versioning can be enabled on a bucket, so that every upload of an object is retained and can be accessed.
For more information, see Managing Your Buckets.
Buckets can also be used to:
The name of a bucket must:
You can enable cross-origin resource sharing (CORS) on your buckets. A use case of CORS is to allow your website hosted in a bucket A to load files hosted in a bucket B. Without CORS, the same-origin policy of the browser would block this loading by default as a security measure.
For more information on CORS configuration, see Managing CORS on Your Buckets.
An object corresponds to an uploaded file or a piece of data. You can upload objects in your own buckets or in buckets for which you have write permissions.
An object is identified by a key, which is essentially the name of the object. To organize your objects, you can add a prefix to the key, in the format <PREFIX>/<REST_OF_THE_KEY>. Tools for using object storage generally group same prefixes in a tree view, similar to how folders are displayed in a file browser.
You can also add tags to objects in order to further identify and categorize them. For more information, see Managing the Tags of an Object.
If you have read permission for an object, you can download the object using a URL in either of the following formats:
For more information, see Working with Objects.
By default, only the creator of an object can access the object. Two features enable you to make your object available to other users:
Access control lists (ACLs): An ACL enables you to grant read or write permissions to another OUTSCALE user for a bucket or an object. For more information, see Managing Access to Your Buckets and Objects.
Pre-signed URLs: A pre-signed URL can be generated to make an object accessible to anyone who has the link, for a set duration. For more information, see Configuring a Pre-signed URL.
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