This is what i would think: > Are there any known issues with using the same hostname / IP again, or is it better to give it a new IP / host name ? as far as i understand, it is actually good to keep the same hostname/ip because the TTL in both dns or client library would bite you.
> The second disk on the machine is still operational and contains HDFS data so I plan on mounting it. I think it should be fine because by the time that you start the datanode, it will report to namenode what blocks it has. On Mon, Oct 17, 2011 at 3:53 PM, Mayuran Yogarajah < [email protected]> wrote: > One of our nodes died today, it looks like the disk containing the OS > expired. I will need to reinstall the machine. > Are there any known issues with using the same hostname / IP again, or is > it better to give it a new IP / host name ? > > The second disk on the machine is still operational and contains HDFS data > so I plan on mounting it. Is this ill-advised? Should I just wipe that disk > too ? > > thanks, > M >
