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Hi Fabrizio, I looked into this some more. Apparently, it is not a kernel issue. What xrootd is complaining about is that it should have had an available buffer to do the I/O request but there was not one to be found. I'm not sure what this indicates exactly since it's one of those conditions that should never happen. As xrootd found itself in an untenable situation it threw up it's hands and terminated your request. Andy On Wed, 12 Oct 2005, Fabrizio Furano wrote: > Hi Andy, > > copying files with xrdcp I got this error from the kan cluster: > > 051012 09:04:16 14869 Xrd: ReadBuffer: Server > [kan007.slac.stanford.edu:1094] did not return OK message for last > request. > 051012 09:04:16 14869 Xrd: SendGenCommand: Server declared error > 3008:XrdXrootdAio: Unable to > read /store/PRskims/R14/14.4.2a/BToDlnu/04/BToDlnu_0416.03HUBCA.root; No > buffer space available > > > To me it sounds ugly. It happened approaching the end of this copy. What do you think? > > Fabrizio > >