Thanks Konstantin!
I am running on vsphere VM with CentOS64 installed, Local file system is
ext3;

Regards,
*Stanley Shi,*



On Wed, Jan 15, 2014 at 8:27 AM, Konstantin Shvachko
<shv.had...@gmail.com>wrote:

> Yes format should check "in_use.lock".
> What is your environment?
> Does it support locks on you local file system?
>
> Thanks,
> --Konst
>
>
> On Tue, Jan 14, 2014 at 1:38 AM, Stanley Shi <s...@gopivotal.com> wrote:
>
> > Hi,
> >
> > I have encountered this case in my environment:
> >
> > 1. NameNode is actively running without any problem;
> >
> > 2. someone accidentally formatted the namenode (even if there's one
> > instance running);
> >
> > 3. The running namenode continues to write edit log starting from some
> big
> > txid;
> >
> >
> > This caused the namenode now in an in-consistent state:
> >
> > It has edit log and fsimage but if you restart the namenode, it will say
> > the namenode cannot be started because it expect some txid 1 ;
> >
> > I think this is a bug. At least when formating the namenode, it should
> > check if there's an namenode instance already running.
> >
> > Regards,
> > *Stanley Shi,*
> >
>

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