For now, only AWS S3 and Tencent Cloud Object Storage are supported, see https://github.com/ClickHouse/ClickHouse/blob/218f534a6f5a4389c8c3b47f0a3fe3acd6ac3aee/src/IO/S3Common.cpp#L605

Actually, maybe any S3-compatible storage could be supported (by just relaxing URL regex constraint).

ClickHouse version: 21.4.6.55
{
        
        
        if (bucket.length() < 3 || bucket.length() > 63)
            throw Exception(ErrorCodes::BAD_ARGUMENTS, "Bucket name length is out of bounds in virtual hosted style S3 URI:     {}{}",
                            quoteString(bucket), !uri.empty() ? " (" + uri.toString() + ")" : "");
    }
}
}
#endif