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Hi Duncan, I added the following lines (on all workers): $cputmult 0.633 $wallmult 0.633 to the pbs config file in /var/spool/pbs/mom_priv. The 0.633 factor is the ratio of spec of the worker nodes with the spec I publish. Yves On Tue, 15 Jul 2008, Duncan Rand wrote: > I should have CC'd tb-support instead of dteam - if anyone replies please CC > tb-support. > > thanks > Duncan > > Duncan Rand wrote: >> Hi Yves >> >> How do I implement 'CPU scaling' - at QMUL we have two sub-groups of x86_64 >> nodes behind one CE with differing KSI2k values and I want to distinguish >> between the two. >> >> thanks >> Duncan >> >> Addition of extra clusters to an existing LCG site >> >> There are three ways to add an extra cluster to an existing LCG site, >> namely: >> >> 1. Using CPU scaling >> * easy to implement, but >> * only the CPUs characteristics of the clusters can differ >> * the same VOs must be supported on all clusters >> * the site information provider does not reflect the true >> physical caracteristics of the clusters >> >> https://www.gridpp.ac.uk/wiki/Birmingham >