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Hi Stuart, I tried the trick with the longer proxy before I posted this: lx05:grid_mastercode_nov11 :~] voms-proxy-init -valid 48:00 --voms vo.londongrid.ac.uk Enter GRID pass phrase: Your identity: /C=UK/O=eScience/OU=Imperial/L=Physics/CN=daniela bauer Creating temporary proxy .................... Done Contacting voms.gridpp.ac.uk:15021 [[log in to unmask]] "vo.londongrid.ac.uk" Done Warning: voms.gridpp.ac.uk:15021: The validity of this VOMS AC in your proxy is shortened to 86400 seconds! Creating proxy ...................................... Done Your proxy is valid until Sun Nov 20 10:05:58 2011 My life would be so much easier if I could just get 4 day voms proxies and be done with it. Cheers, Daniela On 17 November 2011 17:21, Stuart Purdie <[log in to unmask]> wrote: > > On 17 Nov 2011, at 17:02, Daniela Bauer wrote: > >> Currently they mostly get away with a 24 h proxy made like this: >> voms-proxy-init -valid 24:00 --voms vo.londongrid.ac.uk >> >> Unfortunately some of the jobs need more time, either because they >> queue for a while or because they've hit a particularly exciting bit >> of phase space. > > Are you sure you can't just create a longer proxy? MyProxy is ok for what it does, but it's another layer of complications, and therefore more things that can go wrong. For a big VO, that's often a good trade off, but for a smaller VO, sometimes simplicity is better. Infrequent users don't really get much of a penalty for longer proxies too. > > If memory serves, at one point the default maximum VOMS attribute length was 4 days, so you might well find that you can have a VOMS proxy that long. Note that you'll need to examine the VOMS attributes separatly for the main proxy expiry, because they have a _separate_ lifetime set on them. > > Try asking for a long lived ( e.g. 7 days) voms proxy, and see what the voms-attributes length end up as. That's as long as it'll go. If it's 48 hours, that might just be enough, whilst keeping it simple. > > -- ----------------------------------------------------------- [log in to unmask] HEP Group/Physics Dep Imperial College Tel: +44-(0)20-75947810 http://www.hep.ph.ic.ac.uk/~dbauer/