Moving 1 PB of data would take loads of time, - check if this new data center provides something similar to http://aws.amazon.com/importexport/ - Consider multi part uploading of data - consider compressing the data
On Aug 3, 2012, at 2:19 PM, Patai Sangbutsarakum wrote: > thanks for response. > Physical move is not a choice in this case. Purely looking for copying > data and how to catch up with the update of a file while it is being > migrated. > > On Fri, Aug 3, 2012 at 12:40 PM, Chen He <airb...@gmail.com> wrote: >> sometimes, physically moving hard drives helps. :) >> On Aug 3, 2012 1:50 PM, "Patai Sangbutsarakum" <silvianhad...@gmail.com> >> wrote: >> >>> Hi Hadoopers, >>> >>> We have a plan to migrate Hadoop cluster to a different datacenter >>> where we can triple the size of the cluster. >>> Currently, our 0.20.2 cluster have around 1PB of data. We use only >>> Java/Pig. >>> >>> I would like to get some input how we gonna handle with transferring >>> 1PB of data to a new site, and also keep up with >>> new files that thrown into cluster all the time. >>> >>> Happy friday !! >>> >>> P >>>