OARGrid1

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Grid'5000 infrastructure now uses OARGrid2.

OAR-GRID is a tool to reserve some computers from different sites of Grid'5000.

Contents

Presentation

OAR-GRID's principle is very simple, on each wanted clusters a reservation is proceeded (in OAR meanings). If one of them did not succeed then all previous reservations are canceled and also the global operation. An identity number is given by OAR_GRID, so with it you can find all reservation information.

Bases commands

Each commands is associated with a man page for more informations.

Submit a reservation

The reservation command is oargridsub. It will perform an OAR reservation on each specified clusters. It returns a grid job id to bind cluster jobs together if the inherent cluster reservations succeed:

oargridsub lyon:nodes=10,sophia:nodes=10,gdx:nodes=10

State reservation visualization

Once a reservation is accepted, it is possible to consult currently allocated machines:

oargridstat -l idJob

Cancel a reservation

You can cancel your reservation:

oargriddel idJob

Visualization

The whole current grid usage is available through a web interface:

https://www.grid5000.fr/gridstatus/oargridmonika.cgi
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