Hi, @Hz In HDFS 2.7.3, setting a storage policy on a directory does not immediately place new blocks directly into the target storage (e.g., ARCHIVE). New writes still go to default storage (usually DISK), and the Mover process is required to relocate both existing and newly written blocks to comply with the policy. The storage policy only marks the desired storage type, but actual enforcement happens through the Mover. This is expected behavior and you did not miss any configuration. There’s no way in 2.7.3 to bypass the Mover and force blocks to land directly in cold storage on write. Later Hadoop versions introduced improvements, but for your version, running the Mover is required.
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