What happens when you run an fsck?
> From: aramakrish...@languageweaver.com > To: hdfs-u...@hadoop.apache.org > CC: common-user@hadoop.apache.org > Date: Thu, 8 Jul 2010 19:14:11 -0500 > Subject: RE: decommissioning nodes help > > And curiously ( albeit alarmingly ), I don't see network activity ( thru > cacti ) on these nodes indicating blocks are being moved to compensate for > the excluded nodes. This is in the past 2 hours since the process was started > ( steps a and b below ). > > Note: I have set dfs.balance.bandwidthPerSec = 2000000 > > Thanks > Arun > > From: Arun Ramakrishnan [mailto:aramakrish...@languageweaver.com] > Sent: Thursday, July 08, 2010 4:59 PM > To: hdfs-u...@hadoop.apache.org > Subject: decommissioning nodes help > > Hi guys > I am a stuck in my attempt to remove nodes from hdfs. > I followed the steps in https://issues.apache.org/jira/browse/HDFS-1125 > > a) add node to dfs.hosts.exclude > > b) dfsadmin -refreshNodes > > c) wait for decom to finish > > d) remove node from both dfs.hosts and dfs.hosts.exclude > > But after step a) and b) how do I know if decommission is complete. > I am in the process of decommissioning 6 nodes and don't want to loose any > blocks ( rep factor is 3 ) with a restart. > > I also opened https://issues.apache.org/jira/browse/HDFS-1290 if anyone is > interested. > > Thanks > Arun > _________________________________________________________________ The New Busy is not the too busy. Combine all your e-mail accounts with Hotmail. http://www.windowslive.com/campaign/thenewbusy?tile=multiaccount&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_4
