Re: Can I switch the IP/host of NN without losing the filesystem?

2013-01-07 Thread Jianhui Zhang
> > Regards, > Robert > > > On Sun, Jan 6, 2013 at 12:18 AM, Jagat Singh wrote: > >> Yes your data is safe. >> >> >> >> >> On Sun, Jan 6, 2013 at 6:41 PM, Jianhui Zhang wrote: >> >>> Hadoop version: hadoop-0.20.205.0 >>&

Can I switch the IP/host of NN without losing the filesystem?

2013-01-05 Thread Jianhui Zhang
Hadoop version: hadoop-0.20.205.0 My NN machine has 2 IP addresses and 2 hostnames assigned to them respectively. I have configured "fs.default.name" using one of the hostnames and used the cluster for a while. Now, I may have to move the "fs.default.name" to the other IP/hostname of the same mac