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Hi Andy, I didn't realize that xrdcp would allow one to create an arbitrary set of sub-directories. I experimented with copy commands and I think I understand how this behaves. I have no problem with the behavior and don't see the need for a broadcast creation. Thanks, Patrick Andrew Hanushevsky wrote: > Hi Patrick, > > By default, xrootd is configured to create directories automatically > (i.e., via the Posix interface anyway). This should cover gridftp. Xrdcp > also creates directories automatically. So, generally, you need not > create directories manually. In fact, unless you configure broadcast > directory creation, it won't work the way you expect it in the > traditional sense. Generally, you need not worry about it anyway. > > Andy > > ----- Original Message ----- From: "Patrick McGuigan" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Wednesday, November 07, 2007 6:18 PM > Subject: mkdir in xrootd > > >> Another basic question, >> >> >> I have a prototype system running with two dataservers, one redirector >> and one client machine. The system operates on one name space (/xrd). >> >> I can use xrdcp to copy files from the client to the dataservers via >> the redirector as expected: >> >> [client] $ xrdcp /tmp/testfile root://redirector//xrd/testfileNNNN >> >> >> I also see the expected load balancing where the destination >> dataserver alternates between invocations (when varying NNN). >> >> The next test is understanding how our production system can use the >> namespace. The first issue will be creating subdirectories in the >> namespace. I need a command line directory creation command (or script). >> Is it possible to use xrd for this? I didn't see very much >> documentation for this command. >> I may also need to allow gridftp to create directories. Is this >> possible by using a preload library? >> >> >> Can I create a subdirectory via the redirector using the xrd command? >> This fails on my system, but I can create a directory if I first >> connect to a dataserver. >> >> Is it sane to create multiple instances of a subdirectory on multiple >> data servers? Will this allow for load balancing? >> >> >> Thanks for any help, >> >> Patrick >> >> >> >> >> >> >>