Usually problem in encryption. try cipher arcfour or apply hpn patches to ssh. ( http://www.psc.edu/index.php/hpn-ssh) -- Eero 2015-08-11 12:37 GMT+03:00 Götz Reinicke - IT Koordinator < goetz.reinicke at filmakademie.de>: > Hi, > > i have two servers, connected to to the lan by 10Gb with 10Gb and DAS > hardware raid. > > Each system con read and write locally or to the 10G iscsi by more than > 200 MB/s. > > Now I have to transfer backups form A to B and doing this with rsync > always stuck at +- 48-50MB/s no matter which options, compressions, > encryption etc I use. Even the plain default rsync is at that 50 Mb limit. > > coyp by scp goes up to 200 MB/s. > > Copy from and to my workstation with scp from or to both servers is at > 1Gb limit (so +- 100 MB/s) > > > Why is rsync stuck at +- 50 MB/s ? Any suggestions hints ... > > Thanks and regards . Götz > > -- > Götz Reinicke > IT-Koordinator > > Tel. +49 7141 969 82420 > E-Mail goetz.reinicke at filmakademie.de > > Filmakademie Baden-Württemberg GmbH > Akademiehof 10 > 71638 Ludwigsburg > www.filmakademie.de > > Eintragung Amtsgericht Stuttgart HRB 205016 > > Vorsitzender des Aufsichtsrats: Jürgen Walter MdL > Staatssekretär im Ministerium für Wissenschaft, > Forschung und Kunst Baden-Württemberg > > Geschäftsführer: Prof. Thomas Schadt > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > >