Hadoop safemode recovery - taking too long!

Question

I have a Hadoop cluster with 18 data nodes. I restarted the name node over two hours ago and the name node is still in safe mode.

I have been searching for why this migh

Answer 1

I had it once, where some blocks were never reported in. I had to forcefully let the namenode leave safemode (hadoop dfsadmin -safemode leave) and then run an fsck to delete missing files.