On 9 Jul 2004, at 5:57 pm, Borries Demeler wrote: > Just another benchmark for gigabit: > > In copying from a dual Xeon with dual IDE RAID0 to a quad Xeon with > RAID5 SCSI over gigabit I get 31 MB/sec (this was measured using > the Linux "time" command on a 41 MB file). This is using rcp without > compression/encryption. The filesystem on both ends is reiserfs. I > think > this is pretty typical. Most likely the transfer speed will be greater > when there is no disk overhead involved. ~30 MB/sec sounds about right to me. We get 36 MB/sec between our AlphaServer ES45 boxes; that's GBit ethernet, and HP StorageWorks HSV RAID controllers; there's no way the disk is the limiting factor in our set up - we can get about 200 MB/sec on the HSV controllers. I think the low 30's is about what GBit can sustain. Tim -- Dr Tim Cutts Informatics Systems Group, Wellcome Trust Sanger Institute GPG: 1024D/E3134233 FE3D 6C73 BBD6 726A A3F5 860B 3CDD 3F56 E313 4233