For future reference, $ bin/hadoop dfsadmin safemode -leave will also just cause HDFS to exit safemode forcibly.
- Aaron On Wed, Aug 5, 2009 at 1:04 AM, Amandeep Khurana <ama...@gmail.com> wrote: > Two alternatives: > > 1. Do bin/hadoop namenode -format. That'll format the metadata and you can > start afresh. > > 2. If that doesnt work, manually go and delete everything that resides in > the directories to which you've pointed your Namenode and Datanodes to > store > their stuff in. > > > > > On Tue, Aug 4, 2009 at 4:10 PM, Phil Whelan <phil...@gmail.com> wrote: > > > Hi, > > > > In setting up my cluster and brought a few machines up and down. I did > > have some data in which I moved to Trash. Now that data is not 100% > > available, which is fine, because I didn't want it. > > But now I'm stuck in "Safe Mode", because it cannot find the data. I > > cannot purge the Trash because it's in read-only due to Safe Mode. > > > > Safe mode is ON. > > The ratio of reported blocks 0.9931 has not reached the threshold > 0.9990. > > Safe mode will be turned off automatically. > > 459 files and directories, 583 blocks = 1042 total. Heap Size is > > 7.8 MB / 992.31 MB (0%) > > > > I want to just want format the entire HDFS filesystem. I have nothing > > I need in there. How can I do this? > > > > Phil > > >
