problem of lost name-node

2011-09-28 Thread Mirko Kämpf
Hello, during the Cloudera Developer Training at Berlin I came up with an idea, regarding a lost name-node. As in this case all data blocks are lost, the solution could be, to have a table which relates *filenames *and *block_ids* on that data node a block is stored. This table can be scaned after

problem of lost name-node

2011-09-27 Thread Mirko Kämpf
Hi, during the Cloudera Developer Training at Berlin I came up with an idea, regarding a lost name-node. As in this case all data blocks are lost. The solution could be, to have a table which relates filenames and block_ids on that node, which can be scaned after a name-node is lost. Or on every bl