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Filesystem mounts encourage users to type find and run updatedb, which may well kill the metadata services... Anyways, Paul, it is not possible to do that with xrd but a patch would be welcome and should be fairly easy to implement with pcre. If you're willing to spend some time I can help you do this. Cheers, Lukasz 2011/5/18 Yang, Wei <[log in to unmask]>: > There are some extra cost of doing bulk data access via xrootdfs but I don't think the cost is high in today's multicore environment. > > regards, > Wei Yang | [log in to unmask] | 650-926-3338(O) > > > On May 18, 2011, at 11:55 AM, Paul T. Keener wrote: > >> Doug, >> >> Yes, xrootdfs can provide listings, but it encourages users to do bulk >> data access through xrootdfs and that is a Bad Thing. >> >> -paul >> >> >>> Hi Paul, >>> >>> xrootdfs can provide lists of what is in storage. >>> >>> Doug >>> >>> On 05/18/2011 12:37 PM, Paul T. Keener wrote: >>>> Hi, >>>> >>>> I have a number of users who have been generating lists of files to >>>> run over on the fly. Now that we have moved to xrootd, that doesn't >>>> seem possible. >>>> >>>> Is there any script friendly way of generating directory listings? >>>> >>>> Ideally, something like >>>> >>>> xrd hn ls '/foo/bar/quux/*.root' >>>> >>>> would generate a list like >>>> >>>> root://hn//foo/bar/quux/one.root >>>> root://hn//foo/bar/quux/two.root >>>> root://hn//foo/bar/quux/three.root >>>> >>>> The output that the xrd ls command produces can indeed be hacked to do >>>> this, but it isn't pretty. Something closer to POSIX behavior would >>>> be much preferred. >>>> >>>> Is there some other way of doing this that I am missing? >>>> >>>> Thanks. >>>> >>>> Paul T. Keener >>>> Department of Physics and Astronomy >>>> University of Pennsylvania >> > > >