Thanks. 2009/4/27 Koji Noguchi <knogu...@yahoo-inc.com>
> http://hadoop.apache.org/core/docs/current/hdfs_design.html#Data+Disk+Fa > ilure%2C+Heartbeats+and+Re-Replication<http://hadoop.apache.org/core/docs/current/hdfs_design.html#Data+Disk+Fa%0Ailure%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. >
