Thanks for the replies folks. We are not seeing this frequently but we just want to avoid single point of failure and keep the manual intervention to the min. or at best none. This is to ensure that system runs smoothly in production without abrupt failures.
Thanks -Ankur -----Original Message----- From: Amar Kamat [mailto:[EMAIL PROTECTED] Sent: Monday, November 10, 2008 3:53 PM To: core-user@hadoop.apache.org Subject: Re: Best way to handle namespace host failures Goel, Ankur wrote: > Hi Folks, > > I am looking for some advice on some the ways / techniques > that people are using to get around namenode failures (Both disk and > host). > > We have a small cluster with several job scheduled for periodic > execution on the same host where name server runs. What we would like to > have is an automatic failover mechanism in hadoop so that a secondary > namenode automatically takes the roll of a master. > Are you seeing this frequently? If yes then you should find out why its happening. As far as I know namenode failure is not expected to be frequent. Amar > > > I can move this discussion to a JIRA if people are interested. > > > > Thanks > > -Ankur > > >
