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Batch Systems and the Grid
Most full documentation for beginners with the tool can be found here.
In the checkout script this repo is used. It has also a lot of examples to look at.
The grid-control is properly installed by the checkout_packages.sh script (see Checkout Recipe).
Then you run it just by calling the executable go.py.
You can check that go.py is in the $PATH with which go.py.
Since data on dcache is at most mounted read-only, one needs special tools to do so. Available are srm-tools, lcg tools and gfal-tools. Only the latter one support recursive commands
To use them, just add "gfal-" before usual POSIX commands:
- gfal-ls
- gfal-rm [-r]
- gfal-mkdir
- gfal-copy [-r]
- gfal-rename
using the usual prefix before the directory in question, e.g. srm://dcache-se-cms.desy.de:8443/srm/managerv2?SFN=/ for desy dcache or file://// for local files
Or if you are working on RWTH machines and want to access RWTH T2 storage:
gfal-ls dcap://grid-dcap-extern.physik.rwth-aachen.de/pnfs/physik.rwth-aachen.de/cms/store/user/<your path>
Or if you are working on DESY machines and want to access DESY T2 storage:
gfal-ls dcap://dcache-cms-dcap.desy.de/pnfs/desy.de/cms/tier2/store/user/<your path>