From: Mark Calleja (M.Calleja_at_damtp.cam.ac.uk)
Date: Thu Oct 18 2007 - 11:16:04 PDT
Paul H. Hargrove wrote: > Mark Calleja wrote: >> Hi, >> >> I'm looking at getting BLCR checkpointing to work with Condor's >> vanilla and parallel/MPI universes, but I'd like clarification to a >> point mentioned in the User's Guide that's a potential stumbling >> block. Specifically, the manual states: >> >> "Files must exist at their original paths and ..." etc. >> >> Are those paths relative to the current working directory, or >> absolute relative to / ? If it's the former then all should be OK, >> but if it's the latter then I'm sunk as scratch directories on >> different execute nodes are bound to have different locations under >> Condor. >> >> Thanks for any help, >> Mark > > The full absolute path is currently the one of interest. There is > work being done externally on a mechanism for providing a remapping > mechanism at restart time (eg renaming scratch directories). Because > that work is being done outside of our group, I have no estimate as to > when that capability will be available in a BLCR release. > > -Paul > Hi Paul, Thanks for the reply. Actually, I can circumvent this problem by using Parrot, a user-space shared file system, to keep all paths constant. Cheers, Mark