http://hadoop.apache.org/core/docs/current/hdfs_design.html#Data+Disk+Fa ilure%2C+Heartbeats+and+Re-Replication
hope this helps. Koji -----Original Message----- From: Stas Oskin [mailto:stas.os...@gmail.com] Sent: Monday, April 27, 2009 4:11 AM To: core-user@hadoop.apache.org Subject: Blocks replication in downtime even Hi. I have a question: If I have N of DataNodes, and one or several of the nodes have become unavailable, would HDFS re-synchronize the blocks automatically, according to replication level set? And if yes, when? As soon as the offline node was detected, or only on file access? Regards.
