Creating a Bucket

Updated on 2025-02-07 GMT+08:00

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Buckets are containers that store objects in OBS. To store data in OBS, you must first create a bucket.

Procedure

Log in to OBS Browser+.
In the upper part of the page, click Create Bucket.

In the displayed dialog box, configure bucket parameters, as shown in Figure 1.

Figure 1 Creating a bucket
Click to enlarge

**Table 1** Bucket creation parameters
Parameter	Description
Region	Enter the region where you want to create a bucket. Once the bucket is created, its region cannot be changed.
Storage Class	Storage class of the bucket. Different storage classes meet customers' needs for storage performance and costs. Standard: applicable to scenarios where a large number of hot files or small files need to be accessed frequently (multiple times per month on average) and require fast access response. Infrequent Access: ideal for storing data that is not frequently accessed (less than 12 times per year on average) but requires fast access response. Archive: suitable for archiving data that is rarely accessed (averagely once a year) and has no requirements for quick response. For more information, see Storage Class.
Bucket ACL	Controls read and write permissions on buckets. Private: Only users granted permissions by the ACL can access the bucket. Public Read: Anyone can read objects in the bucket. Public Read and Write: Anyone can read, write, or delete objects in the bucket.
Multi-AZ Mode	If multi-AZ is enabled, data will be stored in multiple AZs. Once a bucket is created, its multi-AZ status cannot be changed. Therefore, plan in advance and determine whether to enable the multi-AZ function during bucket creation.
Bucket Name	Name of the bucket you want to create, which must be globally unique. A bucket name: Must be 3 to 63 characters long and start with a digit or letter. Only lowercase letters, digits, hyphens (-), and periods (.) are allowed. Cannot be formatted as an IP address. Cannot start or end with a hyphen (-) or period (.). Cannot contain two consecutive periods (..), for example, my..bucket. Cannot contain a period (.) and a hyphen (-) adjacent to each other, for example, my-.bucket or my.-bucket.

You can click next to the bucket name to learn about the bucket naming rules. A user can create a maximum of 100 buckets in OBS.

NOTE:

When a URL is used to access a bucket, the bucket name will become part of the URL. According to the DNS rule, URLs do not support uppercase letters and cannot recognize buckets whose name contains uppercase letters. Therefore, a bucket name can contain only lowercase letters, digits, hyphens (-), and periods (.). For example, if you attempt to access bucket MyBucket using a URL, the URL will parse MyBucket as mybucket. This results in an access error.
DNS naming rules can standardize bucket names globally, facilitating the resolution during bucket access. With the DNS naming rules used, you can benefit from new functions and optimized features, and configure static website hosting for buckets.
Once a bucket is created, its name cannot be changed. Make sure that the bucket name you set is appropriate.

Click OK. If the bucket is successfully created, it is displayed in the bucket list. If the creation fails, an error message will be displayed.

Parent topic: Basic Bucket Operations

Previous topic: Basic Bucket Operations

Next topic: Searching for a Bucket

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