jeanvetorello opened a new issue, #13224:
URL: https://github.com/apache/cloudstack/issues/13224
### problem
When using Ceph RGW as Object Storage in CloudStack, bucket size is
sometimes reported as 0 in CloudStack responses, even though the bucket has
objects and RGW usage is non-zero.
S3 bucket contains objects and total data is about 1.43 GB.
RGW Admin listBucketInfo returns:
size_kb: 1499662
bytes equivalent: 1535653888
CloudStack listBuckets/cmk still shows size = 0 for that bucket.
s3cmd du -H s3://test-size-bucket/
1254M 11 objects s3://test-size-bucket/
cmk list buckets listall=true
{
"accesskey": "Hide",
"account": "Hide,
"created": "2026-05-22T13:13:17+0000",
"encryption": false,
"id": "2f612714-94dd-4ceb-8947-6f4cfcaeca05",
"name": "test-size-bucket",
"objectlocking": false,
"objectstorageid": "Hide,
"objectstore": "ceph",
"provider": "Ceph",
"quota": 100,
"size": 0,
"state": "Created",
"tags": [],
"url": "Hide",
"usersecretkey": "hide",
"versioning": false
}
],
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src="https://github.com/user-attachments/assets/6dad7eb2-fff8-4edf-9e0a-ba38e2978b56";
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<img width="1741" height="33" alt="Image"
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Additional observation:
Bucket usage records are also never generated in my environment. I am not
sure whether this is directly related, but it may share the same root cause.
### versions
cloudstack 4.22.1
Object Storage provider: Ceph RGW
Ceph release: Squid
### The steps to reproduce the bug
How to reproduce:
Configure Ceph RGW as Object Storage in CloudStack.
Create a bucket and upload multiple objects.
Verify bucket usage directly in Ceph/S3 tools (non-zero).
Run CloudStack bucket listing:
API: listBuckets
CLI: cmk list buckets listall=true
Observe bucket size in response.
Expected behavior:
Bucket size returned by CloudStack should reflect actual bucket usage
(non-zero, consistent with RGW usage).
Actual behavior:
CloudStack returns size = 0 for bucket(s) that have data.
### What to do about it?
_No response_
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