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An OBS Bucket Is Being Used as the Origin Server and an OBS Pull Traffic Package Has Been Purchased. Why Isn't the Origin Pull Traffic Generated by CDN Being Deducted From the OBS Pull Traffic Package?
If you have enabled the OBS agency of the old version, you can reduce permissions by referring to How Do I Replace the Old OBS Agency Permissions with New Ones?
Billing Rules Using CDN to accelerate delivery of files in OBS buckets incurs both CDN and OBS fees. CDN fee: CDN charges you for traffic generated when users access CDN PoPs. OBS fee: OBS charges you for traffic that flows from OBS to CDN during origin pull.
OBS Authorization If you use a Huawei Cloud OBS private bucket as the origin server and want to use OBS Pull Authentication, enable OBS authorization so that CDN can pull content from your private bucket. Do not delete the agency for authorizing CDN to access OBS.
What Traffic Is Consumed When CDN Requests Resources from OBS? If OBS is used as an origin server, the traffic consumed by CDN to request resources from OBS is origin pull traffic, which is billed by OBS. See Figure 1. Figure 1 Outbound traffic Parent topic: Purchase and Billing
Why Is a File in an OBS Bucket with CDN Acceleration Enabled Automatically Downloaded When I Access the File? Online preview is not enabled.
Procedure If the origin server is an OBS public bucket, enable static website hosting on OBS and select Static website hosting on CDN. Log in to OBS Console. In the navigation pane, choose Buckets. Click the name of the bucket to configure static website hosting.
If a Referer ACL Have Been Configured for an OBS Bucket, Will the Settings Take Effect on the CDN Side? No. The settings will not take effect. CDN cannot predict the OBS bucket configuration. Visit Referer Validation to learn how to configure it on the CDN side.
Can the OBS Bucket's Domain Name Be Used as an Acceleration Domain Name If an OBS Bucket Is Configured as an Origin Server? No. CDN visits the bucket domain name when it pulls content from the bucket.
Why Does Agency Creation for OBS Fail When an OBS Private Bucket Is Used as the Origin Server? Possible causes: Your IAM agency quota has been used up. On the Quotas page of the IAM console, check whether the agency quota has been used up.
Accelerating Access to OBS Bucket Files Solution Overview Configuration Process Configuring a Policy for a Custom OBS Private Bucket Synchronizing Data Stored on Multiple Clouds FAQ
Configuring a Policy for a Custom OBS Private Bucket If you use a custom OBS private bucket as the CDN origin server, that is, use an OBS private bucket under another account as the origin server, you need to configure a policy for the private bucket on OBS Console.
How Do I Replace the Old OBS Agency Permissions with New Ones? Since April 2, 2025 (Beijing time), Huawei Cloud CDN has enabled the new OBS agency. It has fewer permissions than the old one. For details about their differences, see Table 1.
If your origin server is an OBS private bucket with an OBS agency of the old version, you can replace the old OBS agency permissions with new ones. If you use an OBS private bucket, create a policy for the CDNAccessPrivateOBS agency to deny listing objects in the bucket.
The OBS bucket version is earlier than 3.0. Can CDN and OBS Share a Traffic Package? No. CDN traffic packages deduct the incoming and outgoing traffic of CDN PoPs. OBS traffic packages deduct OBS traffic. Can an OBS Bucket Domain Name Be Used as an Acceleration Domain Name? No.
Why Am I Able to Access and Download a File After It Is Deleted from an OBS Bucket? It is because the file still stays in the cache and the cache is not refreshed. You are advised to submit cache purge requests if content on the origin server is updated.
Parent topic: Accelerating Access to OBS Bucket Files
Users can directly request these static resources from OBS using URLs. OBS buckets can solve the problem of insufficient local storage.
For details, see How Do I Preview OBS Objects in My Web Browser? OBS bucket You can select the domain name of an OBS bucket under your account or customize one (OBS bucket under other Huawei Cloud accounts).
Figure 1 Serverless upload This architecture requires users to enable the function computing service in other clouds and deploy the code for uploading files to OBS, which will generate the function computing service fee. Parent topic: Accelerating Access to OBS Bucket Files
