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Maybe I am nitpicking Greg, but just to spell it out for the others: dpm DOESN'T need the data migrating, just metadata adding (allegedly). dCache DOES needs data migration as its data is stored in its own format. John > -----Original Message----- > From: Testbed Support for GridPP member institutes > [mailto:[log in to unmask]] On Behalf Of Greig A Cowan > Sent: 07 July 2005 19:44 > To: [log in to unmask] > Subject: Re: DPM source RPMS > > > My understanding is that one of the selling points for DPM > is that it > > allows pointers to files in the old SE to remain valid (so > that sites > > don't have to maintain classic_SEs in perpetuity) - which rather > > undermines that assumption! > > DPM only requires metadata operations to migrate data stored on the > classic SE into DPM (which has an SRM interface). The > situation for dCache > is more complex, but I believe (can anyone confirm?) that a fix is > currently being worked upon to provide some sort of data > migration tool > from the classic SE to dCache. > > Greig > > > > > Have I got this wrong? (_very_ possible!) Are we supposed > to be thinking > > in terms of moving to an SRM SE rather than upgrading the > current one > > (which DPM was supposed to allow)? > > > > Thanks > > > > Henry > > > > > > -- > ============================================================== > ========= > Greig Cowan e: [log in to unmask] > School of Physics t: +44 131 650 5300 > The University of Edinburgh f: +44 131 650 7189 > James Clerk Maxwell Building w: > http://www.ph.ed.ac.uk/~gcowan1 > Mayfield Road > Edinburgh > EH9 3JZ, UK > ============================================================== > ========= >