Jignesh, On 12/19/05 12:21 PM, "Jignesh Shah" <J.K.Shah@xxxxxxx> wrote: > I got about 720 MB/sec to 730 MB/sec with plain dd tests on my current > storage configuration (8 LUNS on 4 fibers) which slowed me down (10K rpm 146 > GB disks FC) with 4 LUNS going through a longer pass to the disks (via a > controller master array to slave JBODs to provide ) . > > extended device statistics > r/s w/s Mr/s Mw/s wait actv wsvc_t asvc_t %w %b device > 0.8 14.0 0.0 0.0 0.0 0.3 0.0 17.8 0 4 c3t0d0 > 91.4 0.0 91.4 0.0 0.0 1.0 0.0 10.5 0 96 c0t40d0 > 96.0 0.0 96.0 0.0 0.0 1.0 0.0 10.0 0 96 c5t40d1 > 95.8 0.0 95.8 0.0 0.0 1.0 0.0 10.0 0 96 c0t40d1 Can you please explain these columns? R/s, is that millions of pages or extents or something? How do I translate this to 730 million bytes per second? - Luke
