Thank everybody for the responses. James
On Mon, Jan 7, 2013 at 12:49 PM, Robert Molina <[email protected]>wrote: > Hi James, > This should be fine, but just wanted to add that you will need to also > make the change on your other nodes within the cluster, so they know how to > contact the filesystem. > > Regards, > Robert > > > On Sun, Jan 6, 2013 at 12:18 AM, Jagat Singh <[email protected]> wrote: > >> Yes your data is safe. >> >> >> >> >> On Sun, Jan 6, 2013 at 6:41 PM, Jianhui Zhang <[email protected]>wrote: >> >>> 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 machine. If no other configurations change (such as the >>> directories), can I simply change "fs.default.name" to the new >>> hostname, restart the NN and expect the same filesystem is intact? >>> >>> Thanks, >>> James >>> >> >> >
