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To check the space available for each account you are a member of you can use the official CC command:
diskusage_report
or my version of the same command which adds also the usage in percent:
~winger/ovbin/k.quota
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To submit any program on any CC machine of the Alliance you need to specify which project account should get billed for the use of the cpu time. The project accounts under which one can store data are usually the same as the ones under one which can run simulations but not always. If you are trying to run under a project account of which you are not a member your job will simply be denied.
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