You can enable null cipher with hpn patches.. Eero 11.8.2015 7.35 ip. "Götz Reinicke" <goetz.reinicke at filmakademie.de> kirjoitti: > Hi, > > I tried different encryptions like arc four, but always with the same > result. BTW: googling shows some similar questions and they are stuck on > set same speed +-. > > But non of that solutions helped me. > > /Götz > > > > > > Am 11.08.2015 um 12:14 schrieb Eero Volotinen <eero.volotinen at iki.fi>: > > > > Usually problem in encryption. > > > > try cipher arcfour or apply hpn patches to ssh. ( > http://www.psc.edu/index.php/hpn-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 <mailto: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 > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >