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Adrian Sevcenco wrote: > On 04/04/2011 11:42 AM, Jean-Yves Nief wrote: >> hello Adrian, > Hi! > >> I have done that in the past. I used xrdcp instead of scp for >> performance reasons, I had to move bunch of 20 TBs from the old servers >> to the new ones (done in more than a day, I had two gigabit network >> interfaces on the servers), it would have been way too slow with scp. > thanks for info! could you give more details? i my case (ALICE) i have > to keep a certain structure of files .. did you copied to an directory > out of normal structure to be served or just copied files in the same > directory structure ? I have just copied the files in the same directory structure on the target server. cheers, JY > > Thanks! > Adrian > >> cheers, >> JY >> >> Adrian Sevcenco wrote: >>> Hi! Is there a possibility for mirroring data between data servers? >>> I ask because we want to upgrade an xrootd server .. is it enough to >>> scp 4TiB between servers? is it safe and consistent (from the >>> redirector view)? >>> >>> On a side note i will take the opportunity to ask other things :) >>> 1. Is there a way to benchmark the dataservers from the point of view >>> of xrootd? something like running a command on redirector and >>> benchmarking a given server or all? (for tuning purposes and also >>> could be used for developer tests?) >>> >>> 2. related to 1. are any of xrootd team aware of >>> http://twiki.mwt2.org/bin/view/ITB/UltraLightKernel ? are there any >>> (up to date) recommendations based on this guys work? >>> >>> Thanks a lot! >>> Adrian >