[prev in list] [next in list] [prev in thread] [next in thread] 

List:       hadoop-user
Subject:    Re: Re: Setting Up a Backup/Failover Namenode
From:       "Albert Chern" <albert.chern () gmail ! com>
Date:       2006-09-11 22:49:32
Message-ID: 73c1c44f0609111549q709156efq4a8ee5cd692372ba () mail ! gmail ! com
[Download RAW message or body]

Thank you for your prompt reply Konstantin.  Our organization is in
the process of evaluating different distributed file systems.  I was
just wondering if a backup NameNode could be used in the event of
primary NameNode failure.

On 9/11/06, Konstantin Shvachko <shv@yahoo-inc.com> wrote:
> Just one NameNode for now.
> This feature is not implemented yet, sorry.
> How were planning to use the second name node?
> --Konstantin
>
> Albert Chern wrote:
>
> > Dear Hadoop Experts,
> >
> > The opening comments of the NameNode class state:
> >
> > "There is a single NameNode running in any DFS deployment.  (Well,
> > except when there is a second backup/failover NameNode.)"
> >
> > Unfortunately, I haven't been able to find any documentation on how to
> > configure this second NameNode.  Can anyone give me some pointers?
> >
> > Thanks in advance,
> > Albert Chern
> >
> >
> >
>
>

[prev in list] [next in list] [prev in thread] [next in thread]